Merge samba.org:/scratch/anton/linux-2.5

into samba.org:/scratch/anton/linux-2.5_ppc64_work

CREDITS

@@ -156,6 +156,14 @@ S: University of Calgary
 S: Calgary, Alberta
 S: Canada
 
+N: Miles Bader
+E: miles@gnu.org
+D: v850 port (uClinux)
+S: NEC Corporation
+S: 1753 Shimonumabe, Nakahara-ku
+S: Kawasaki 211-8666
+S: Japan
+
 N: Ralf Baechle
 E: ralf@gnu.org
 P: 1024/AF7B30C1 CF 97 C2 CC 6D AE A7 FE  C8 BA 9C FC 88 DE 32 C3

arch/arm/boot/compressed/ofw-shark.c

@@ -27,7 +27,7 @@ create_params (unsigned long *buffer)
 	/* Head of the taglist */
 	tag->hdr.tag  = ATAG_CORE;
 	tag->hdr.size = tag_size(tag_core);
-	tag->u.core.flags = FLAG_READONLY;
+	tag->u.core.flags = 1;
 	tag->u.core.pagesize = PAGE_SIZE;
 	tag->u.core.rootdev = 0;
 

arch/arm/def-configs/shark

@@ -40,6 +40,7 @@ CONFIG_KMOD=y
 # CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_CAMELOT is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
@@ -109,6 +110,12 @@ CONFIG_ARCH_SHARK=y
 # CONFIG_SA1100_USB_CHAR is not set
 # CONFIG_H3600_SLEEVE is not set
 
+#
+# Intel PXA250/210 Implementations
+#
+# CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_ARCH_PXA_IDP is not set
+
 #
 # CLPS711X/EP721X Implementations
 #
@@ -120,6 +127,19 @@ CONFIG_ARCH_SHARK=y
 # CONFIG_ARCH_FORTUNET is not set
 # CONFIG_ARCH_EP7211 is not set
 # CONFIG_ARCH_EP7212 is not set
+
+#
+# IOP310 Implementation Options
+#
+# CONFIG_ARCH_IQ80310 is not set
+
+#
+# IOP310 Chipset Features
+#
+# CONFIG_IOP310_AAU is not set
+# CONFIG_IOP310_DMA is not set
+# CONFIG_IOP310_MU is not set
+# CONFIG_IOP310_PMON is not set
 # CONFIG_ARCH_ACORN is not set
 # CONFIG_FOOTBRIDGE is not set
 # CONFIG_FOOTBRIDGE_HOST is not set
@@ -159,6 +179,9 @@ CONFIG_PCI_HOST_VIA82C505=y
 CONFIG_ISA=y
 CONFIG_ISA_DMA=y
 # CONFIG_FIQ is not set
+# CONFIG_ZBOOT_ROM is not set
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
 # CONFIG_PCI_NAMES is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_PCMCIA is not set
@@ -177,10 +200,11 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PREEMPT is not set
 # CONFIG_APM is not set
 # CONFIG_ARTHUR is not set
+CONFIG_CMDLINE=""
 CONFIG_LEDS=y
 CONFIG_LEDS_TIMER=y
 # CONFIG_LEDS_CPU is not set
-# CONFIG_ALIGNMENT_TRAP is not set
+CONFIG_ALIGNMENT_TRAP=y
 
 #
 # Parallel port support
@@ -200,6 +224,11 @@ CONFIG_PARPORT_PC_CML1=y
 # CONFIG_PARPORT_OTHER is not set
 # CONFIG_PARPORT_1284 is not set
 
+#
+# Memory Technology Devices (MTD)
+#
+# CONFIG_MTD is not set
+
 #
 # Plug and Play configuration
 #
@@ -217,6 +246,7 @@ CONFIG_PARPORT_PC_CML1=y
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_CISS_SCSI_TAPE is not set
 # CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_NBD is not set
 CONFIG_BLK_DEV_RAM=y
@@ -254,7 +284,6 @@ CONFIG_INET=y
 # CONFIG_INET_ECN is not set
 # CONFIG_SYN_COOKIES is not set
 # CONFIG_IPV6 is not set
-# CONFIG_KHTTPD is not set
 # CONFIG_ATM is not set
 # CONFIG_VLAN_8021Q is not set
 
@@ -263,6 +292,11 @@ CONFIG_INET=y
 #
 # CONFIG_IPX is not set
 # CONFIG_ATALK is not set
+
+#
+# Appletalk devices
+#
+# CONFIG_DEV_APPLETALK is not set
 # CONFIG_DECNET is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_X25 is not set
@@ -378,7 +412,7 @@ CONFIG_CS89x0=y
 # CONFIG_WAN is not set
 
 #
-# "Tulip" family network device support
+# Tulip family network device support
 #
 # CONFIG_NET_TULIP is not set
 
@@ -393,38 +427,66 @@ CONFIG_CS89x0=y
 # CONFIG_IRDA is not set
 
 #
-# ATA/IDE/MFM/RLL support
+# ATA/ATAPI/MFM/RLL support
 #
 CONFIG_IDE=y
-
-#
-# ATA and ATAPI Block devices
-#
 CONFIG_BLK_DEV_IDE=y
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
 # CONFIG_BLK_DEV_HD_IDE is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_BLK_DEV_IDEDISK=y
 # CONFIG_IDEDISK_MULTI_MODE is not set
 # CONFIG_IDEDISK_STROKE is not set
-# CONFIG_BLK_DEV_IDECS is not set
+CONFIG_ATAPI=y
 CONFIG_BLK_DEV_IDECD=y
 # CONFIG_BLK_DEV_IDETAPE is not set
 CONFIG_BLK_DEV_IDEFLOPPY=y
 # CONFIG_BLK_DEV_IDESCSI is not set
+# CONFIG_BLK_DEV_IDECS is not set
 
 #
-# IDE chipset support
+# ATA host controller support
 #
+# CONFIG_BLK_DEV_RZ1000 is not set
 # CONFIG_BLK_DEV_CMD640 is not set
 # CONFIG_BLK_DEV_CMD640_ENHANCED is not set
 # CONFIG_BLK_DEV_ISAPNP is not set
-# CONFIG_BLK_DEV_RZ1000 is not set
+
+#
+#   PCI host controller support
+#
+# CONFIG_BLK_DEV_OFFBOARD is not set
+# CONFIG_IDEPCI_SHARE_IRQ is not set
+# CONFIG_BLK_DEV_IDEDMA_PCI is not set
+# CONFIG_IDEDMA_PCI_AUTO is not set
+# CONFIG_IDEDMA_ONLYDISK is not set
+# CONFIG_BLK_DEV_IDEDMA is not set
+# CONFIG_BLK_DEV_IDE_TCQ is not set
+# CONFIG_BLK_DEV_IDE_TCQ_DEFAULT is not set
+# CONFIG_IDEDMA_NEW_DRIVE_LISTINGS is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_AEC6280_BURST is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_WDC_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_HPT34X_AUTODMA is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_OPTI621 is not set
+# CONFIG_BLK_DEV_PDC202XX is not set
+# CONFIG_PDC202XX_BURST is not set
+# CONFIG_PDC202XX_FORCE is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIS5513 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+# CONFIG_BLK_DEV_VIA82CXXX is not set
 # CONFIG_BLK_DEV_SL82C105 is not set
 # CONFIG_IDE_CHIPSETS is not set
+# CONFIG_IDEDMA_IVB is not set
 # CONFIG_IDEDMA_AUTO is not set
 # CONFIG_BLK_DEV_ATARAID is not set
 # CONFIG_BLK_DEV_ATARAID_PDC is not set
@@ -451,6 +513,7 @@ CONFIG_CHR_DEV_SG=m
 # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
 #
 # CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_REPORT_LUNS is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
 
@@ -462,7 +525,6 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AHA152X is not set
 # CONFIG_SCSI_AHA1542 is not set
-# CONFIG_SCSI_AHA1740 is not set
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_DPT_I2O is not set
@@ -522,42 +584,60 @@ CONFIG_CHR_DEV_SG=m
 #
 # ISDN subsystem
 #
-# CONFIG_ISDN is not set
+# CONFIG_ISDN_BOOL is not set
 
 #
 # Input device support
 #
 # CONFIG_INPUT is not set
+
+#
+# Userland interfaces
+#
 # CONFIG_INPUT_KEYBDEV is not set
 # CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 # CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_TSLIBDEV is not set
 # CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+# CONFIG_INPUT_UINPUT is not set
+
+#
+# Input I/O drivers
+#
 # CONFIG_GAMEPORT is not set
 CONFIG_SOUND_GAMEPORT=y
 # CONFIG_GAMEPORT_NS558 is not set
 # CONFIG_GAMEPORT_L4 is not set
-# CONFIG_INPUT_EMU10K1 is not set
-# CONFIG_GAMEPORT_PCIGAME is not set
+# CONFIG_GAMEPORT_EMU10K1 is not set
+# CONFIG_GAMEPORT_VORTEX is not set
 # CONFIG_GAMEPORT_FM801 is not set
 # CONFIG_GAMEPORT_CS461x is not set
 # CONFIG_SERIO is not set
+# CONFIG_SERIO_I8042 is not set
 # CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_CT82C710 is not set
+# CONFIG_SERIO_PARKBD is not set
+
+#
+# Input Device Drivers
+#
 
 #
 # Character devices
 #
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
-CONFIG_SERIAL=y
-CONFIG_SERIAL_CONSOLE=y
-# CONFIG_SERIAL_EXTENDED is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
 # Serial drivers
 #
-# CONFIG_SERIAL_8250 is not set
-# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_CS is not set
 # CONFIG_SERIAL_8250_EXTENDED is not set
 # CONFIG_SERIAL_8250_MANY_PORTS is not set
 # CONFIG_SERIAL_8250_SHARE_IRQ is not set
@@ -568,10 +648,6 @@ CONFIG_SERIAL_CONSOLE=y
 #
 # Non-8250 serial port support
 #
-
-#
-# ARM Serial drivers
-#
 # CONFIG_ATOMWIDE_SERIAL is not set
 # CONFIG_DUALSP_SERIAL is not set
 # CONFIG_SERIAL_ANAKIN is not set
@@ -580,6 +656,7 @@ CONFIG_SERIAL_CONSOLE=y
 # CONFIG_SERIAL_AMBA_CONSOLE is not set
 # CONFIG_SERIAL_CLPS711X is not set
 # CONFIG_SERIAL_CLPS711X_CONSOLE is not set
+# CONFIG_SERIAL_CLPS711X_OLD_NAME is not set
 # CONFIG_SERIAL_21285 is not set
 # CONFIG_SERIAL_21285_OLD is not set
 # CONFIG_SERIAL_21285_CONSOLE is not set
@@ -587,6 +664,8 @@ CONFIG_SERIAL_CONSOLE=y
 # CONFIG_SERIAL_UART00_CONSOLE is not set
 # CONFIG_SERIAL_SA1100 is not set
 # CONFIG_SERIAL_SA1100_CONSOLE is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_UNIX98_PTY_COUNT=256
 CONFIG_PRINTER=m
@@ -615,17 +694,13 @@ CONFIG_PRINTER=m
 # Mice
 #
 # CONFIG_BUSMOUSE is not set
-CONFIG_MOUSE=y
 CONFIG_PSMOUSE=y
-# CONFIG_82C710_MOUSE is not set
-# CONFIG_PC110_PAD is not set
 # CONFIG_QIC02_TAPE is not set
 
 #
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
-# CONFIG_INTEL_RNG is not set
 # CONFIG_NVRAM is not set
 CONFIG_RTC=y
 # CONFIG_DTLK is not set
@@ -638,6 +713,7 @@ CONFIG_RTC=y
 # CONFIG_FTAPE is not set
 # CONFIG_AGP is not set
 # CONFIG_DRM is not set
+# CONFIG_RAW_DRIVER is not set
 
 #
 # Multimedia devices
@@ -648,6 +724,8 @@ CONFIG_RTC=y
 # File systems
 #
 # CONFIG_QUOTA is not set
+# CONFIG_QFMT_V1 is not set
+# CONFIG_QFMT_V2 is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_REISERFS_FS is not set
@@ -711,6 +789,7 @@ CONFIG_NFS_FS=y
 # CONFIG_NFSD_TCP is not set
 CONFIG_SUNRPC=y
 CONFIG_LOCKD=y
+# CONFIG_EXPORTFS is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_NCPFS_PACKET_SIGNING is not set
@@ -741,6 +820,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
 # CONFIG_SMB_NLS is not set
 CONFIG_NLS=y
 
@@ -769,6 +849,7 @@ CONFIG_NLS_CODEPAGE_850=y
 # CONFIG_NLS_CODEPAGE_949 is not set
 # CONFIG_NLS_CODEPAGE_874 is not set
 # CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
 # CONFIG_NLS_CODEPAGE_1251 is not set
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_ISO8859_2 is not set
@@ -788,8 +869,6 @@ CONFIG_NLS_ISO8859_1=y
 #
 # Console drivers
 #
-CONFIG_PC_KEYB=y
-CONFIG_PC_KEYMAP=y
 # CONFIG_VGA_CONSOLE is not set
 
 #
@@ -797,7 +876,6 @@ CONFIG_PC_KEYMAP=y
 #
 CONFIG_FB=y
 CONFIG_DUMMY_CONSOLE=y
-# CONFIG_FB_RIVA is not set
 # CONFIG_FB_CLGEN is not set
 # CONFIG_FB_PM2 is not set
 # CONFIG_FB_PM3 is not set
@@ -806,6 +884,7 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_FB_CLPS711X is not set
 # CONFIG_FB_SA1100 is not set
 CONFIG_FB_CYBER2000=y
+# CONFIG_FB_RIVA is not set
 # CONFIG_FB_MATROX is not set
 # CONFIG_FB_ATY is not set
 # CONFIG_FB_RADEON is not set
@@ -814,6 +893,8 @@ CONFIG_FB_CYBER2000=y
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
+# CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_PM3 is not set
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FBCON_ADVANCED is not set
 CONFIG_FBCON_CFB8=y
@@ -903,6 +984,8 @@ CONFIG_SOUND_SB=m
 # Console Switches
 #
 # CONFIG_SWITCHES is not set
+# CONFIG_SWITCHES_SA1100 is not set
+# CONFIG_SWITCHES_UCB1X00 is not set
 
 #
 # USB support
@@ -931,6 +1014,11 @@ CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_DC21285_PORT is not set
 # CONFIG_DEBUG_CLPS711X_UART2 is not set
 
+#
+# Security options
+#
+CONFIG_SECURITY_CAPABILITIES=y
+
 #
 # Library routines
 #

arch/arm/kernel/arthur.c

@@ -17,7 +17,6 @@
 #include <linux/personality.h>
 #include <linux/stddef.h>
 #include <linux/signal.h>
-#include <linux/sched.h>
 #include <linux/init.h>
 
 #include <asm/ptrace.h>
@@ -64,13 +63,13 @@ static void arthur_lcall7(int nr, struct pt_regs *regs)
 }
 
 static struct exec_domain arthur_exec_domain = {
-	"Arthur",	/* name */
-	arthur_lcall7,
-	PER_RISCOS, PER_RISCOS,
-	arthur_to_linux_signals,
-	linux_to_arthur_signals,
-	THIS_MODULE,
-	NULL		/* Nothing after this in the list. */
+	.name		= "Arthur",
+	.handler	= arthur_lcall7,
+	.pers_low	= PER_RISCOS,
+	.pers_high	= PER_RISCOS,
+	.signal_map	= arthur_to_linux_signals,
+	.signal_invmap	= linux_to_arthur_signals,
+	.module		= THIS_MODULE,
 };
 
 /*
@@ -78,12 +77,12 @@ static struct exec_domain arthur_exec_domain = {
  * processes are using it.
  */
 
-int __init arthur_init(void)
+static int __init arthur_init(void)
 {
 	return register_exec_domain(&arthur_exec_domain);
 }
 
-void __exit arthur_exit(void)
+static void __exit arthur_exit(void)
 {
 	unregister_exec_domain(&arthur_exec_domain);
 }

arch/arm/kernel/via82c505.c

@@ -20,7 +20,7 @@ static int
 via82c505_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 		      int size, u32 *value)
 {
-	outl(CONFIG_CMD(dev,where),0xCF8);
+	outl(CONFIG_CMD(bus,devfn,where),0xCF8);
 	switch (size) {
 	case 1:
 		*value=inb(0xCFC + (where&3));
@@ -36,7 +36,7 @@ via82c505_read_config(struct pci_bus *bus, unsigned int devfn, int where,
 }
 
 static int
-via82c505_write_config(struct pci_bus *bus, unsigned int devfn, int where
+via82c505_write_config(struct pci_bus *bus, unsigned int devfn, int where,
 		       int size, u32 value)
 {
 	outl(CONFIG_CMD(bus,devfn,where),0xCF8);
@@ -61,8 +61,6 @@ static struct pci_ops via82c505_ops = {
 
 void __init via82c505_preinit(void *sysdata)
 {
-	struct pci_bus *bus;
-
 	printk(KERN_DEBUG "PCI: VIA 82c505\n");
 	if (!request_region(0xA8,2,"via config")) {
 		printk(KERN_WARNING"VIA 82c505: Unable to request region 0xA8\n");

arch/arm/mach-sa1100/cpu-sa1110.c

@@ -305,7 +305,7 @@ static struct cpufreq_driver sa1110_driver = {
 	.verify		 = sa11x0_verify_speed,
 	.setpolicy	 = sa1110_setspeed,
 	.policy		 = &sa1110_policy,
-	.cpu_min_freq[0] = 59000,
+	.cpu_min_freq	 = { 59000, },
 };
 
 static int __init sa1110_clk_init(void)

arch/arm/mach-sa1100/generic.h

@@ -21,5 +21,5 @@ extern void sa1110_mb_disable(void);
 struct cpufreq_policy;
 
 extern unsigned int sa11x0_freq_to_ppcr(unsigned int khz);
-extern void sa11x0_verify_speed(struct cpufreq_policy *policy);
+extern int sa11x0_verify_speed(struct cpufreq_policy *policy);
 extern unsigned int sa11x0_getspeed(void);

arch/arm/mach-sa1100/sa1111-pcibuf.c

@@ -31,6 +31,14 @@
 #define DPRINTK(...) do { } while (0)
 #endif
 
+//#define STATS
+#ifdef STATS
+#define DO_STATS(X) do { X ; } while (0)
+#else
+#define DO_STATS(X) do { } while (0)
+#endif
+
+/* ************************************************** */
 
 struct safe_buffer {
 	struct list_head node;
@@ -50,10 +58,24 @@ LIST_HEAD(safe_buffers);
 
 
 #define SIZE_SMALL	1024
-#define SIZE_LARGE	(16*1024)
+#define SIZE_LARGE	(4*1024)
 
 static struct pci_pool *small_buffer_pool, *large_buffer_pool;
 
+#ifdef STATS
+static unsigned long sbp_allocs __initdata = 0;
+static unsigned long lbp_allocs __initdata = 0;
+static unsigned long total_allocs __initdata= 0;
+
+static void print_alloc_stats(void)
+{
+	printk(KERN_INFO
+	       "sa1111_pcibuf: sbp: %lu, lbp: %lu, other: %lu, total: %lu\n",
+	       sbp_allocs, lbp_allocs,
+	       total_allocs - sbp_allocs - lbp_allocs, total_allocs);
+}
+#endif
+
 static int __init
 create_safe_buffer_pools(void)
 {
@@ -81,6 +103,10 @@ create_safe_buffer_pools(void)
 		return -1;
 	}
 
+	printk(KERN_INFO
+	       "sa1111_pcibuf: buffer sizes: small=%u, large=%u\n",
+	       SIZE_SMALL, SIZE_LARGE);
+
 	return 0;
 }
 
@@ -108,6 +134,8 @@ alloc_safe_buffer(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 	DPRINTK("%s(ptr=%p, size=%d, direction=%d)\n",
 		__func__, ptr, size, direction);
 
+	DO_STATS ( total_allocs++ );
+
 	buf = kmalloc(sizeof(struct safe_buffer), GFP_ATOMIC);
 	if (buf == 0) {
 		printk(KERN_WARNING "%s: kmalloc failed\n", __func__);
@@ -117,12 +145,14 @@ alloc_safe_buffer(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 	if (size <= SIZE_SMALL) {
 		pool = small_buffer_pool;
 		safe = pci_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr);
+
+		DO_STATS ( sbp_allocs++ );
 	} else if (size <= SIZE_LARGE) {
 		pool = large_buffer_pool;
 		safe = pci_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr);
+
+		DO_STATS ( lbp_allocs++ );
 	} else {
-		printk(KERN_DEBUG
-		       "sa111_pcibuf: resorting to pci_alloc_consistent\n");
 		pool = 0;
 		safe = pci_alloc_consistent(SA1111_FAKE_PCIDEV, size,
 					    &safe_dma_addr);
@@ -136,6 +166,11 @@ alloc_safe_buffer(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 		return 0;
 	}
 
+#ifdef STATS
+	if (total_allocs % 1000 == 0)
+		print_alloc_stats();
+#endif
+
 	BUG_ON(sa1111_check_dma_bug(safe_dma_addr));	// paranoia
 
 	buf->ptr = ptr;
@@ -204,37 +239,39 @@ dma_range_is_safe(dma_addr_t addr, size_t size)
 	return ((physaddr + size - 1) < (1<<20));
 }
 
-/*
- * see if a buffer address is in an 'unsafe' range.  if it is
- * allocate a 'safe' buffer and copy the unsafe buffer into it.
- * substitute the safe buffer for the unsafe one.
- * (basically move the buffer from an unsafe area to a safe one)
- */
-dma_addr_t
-sa1111_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
-{
-	unsigned long flags;
-	dma_addr_t dma_addr;
+/* ************************************************** */
 
-	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
-	       __func__, hwdev, ptr, size, direction);
+#ifdef STATS
+static unsigned long map_op_count __initdata = 0;
+static unsigned long bounce_count __initdata = 0;
 
-	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
-	BUG_ON(direction == PCI_DMA_NONE);
+static void print_map_stats(void)
+{
+	printk(KERN_INFO
+	       "sa1111_pcibuf: map_op_count=%lu, bounce_count=%lu\n",
+	       map_op_count, bounce_count);
+}
+#endif
 
-	local_irq_save(flags);
+static dma_addr_t
+map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
+{
+	dma_addr_t dma_addr;
+
+	DO_STATS ( map_op_count++ );
 
 	dma_addr = virt_to_bus(ptr);
 
 	if (!dma_range_is_safe(dma_addr, size)) {
 		struct safe_buffer *buf;
 
+		DO_STATS ( bounce_count++ ) ;
+
 		buf = alloc_safe_buffer(hwdev, ptr, size, direction);
 		if (buf == 0) {
 			printk(KERN_ERR
 			       "%s: unable to map unsafe buffer %p!\n",
 			       __func__, ptr);
-			local_irq_restore(flags);
 			return 0;
 		}
 
@@ -256,33 +293,22 @@ sa1111_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 		consistent_sync(ptr, size, direction);
 	}
 
-	local_irq_restore(flags);
+#ifdef STATS
+	if (map_op_count % 1000 == 0)
+		print_map_stats();
+#endif
+
 	return dma_addr;
 }
 
-/*
- * see if a mapped address was really a "safe" buffer and if so, copy
- * the data from the safe buffer back to the unsafe buffer and free up
- * the safe buffer.  (basically return things back to the way they
- * should be)
- */
-
-void
-sa1111_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+static void
+unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 	     size_t size, int direction)
 {
-	unsigned long flags;
 	struct safe_buffer *buf;
 
-	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
-		__func__, hwdev, (void *) dma_addr, size, direction);
-
-	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
-	BUG_ON(direction == PCI_DMA_NONE);
-
-	local_irq_save(flags);
-
 	buf = find_safe_buffer(dma_addr);
+
 	if (buf) {
 		BUG_ON(buf->size != size);
 		BUG_ON(buf->direction != direction);
@@ -292,6 +318,9 @@ sa1111_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 			buf->ptr, (void *) virt_to_bus(buf->ptr),
 			buf->safe, (void *) buf->safe_dma_addr);
 
+
+		DO_STATS ( bounce_count++ );
+
 		if ((direction == PCI_DMA_FROMDEVICE) ||
 		    (direction == PCI_DMA_BIDIRECTIONAL)) {
 			DPRINTK("%s: copy back from safe %p, to unsafe %p size %d\n",
@@ -300,39 +329,16 @@ sa1111_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 		}
 		free_safe_buffer(buf);
 	}
-
-	local_irq_restore(flags);
 }
 
-int
-sa1111_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-	      int nents, int direction)
-{
-	BUG();			/* Not implemented. */
-}
-
-void
-sa1111_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents,
-	     int direction)
-{
-	BUG();			/* Not implemented. */
-}
-
-void
-sa1111_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+static void
+sync_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 		       size_t size, int direction)
 {
-	unsigned long flags;
 	struct safe_buffer *buf;
 
-	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
-		__func__, hwdev, (void *) dma_addr, size, direction);
-
-	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
-
-	local_irq_save(flags);
-
 	buf = find_safe_buffer(dma_addr);
+
 	if (buf) {
 		BUG_ON(buf->size != size);
 		BUG_ON(buf->direction != direction);
@@ -342,6 +348,8 @@ sa1111_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 			buf->ptr, (void *) virt_to_bus(buf->ptr),
 			buf->safe, (void *) buf->safe_dma_addr);
 
+		DO_STATS ( bounce_count++ );
+
 		switch (direction) {
 		case PCI_DMA_FROMDEVICE:
 			DPRINTK("%s: copy back from safe %p, to unsafe %p size %d\n",
@@ -362,15 +370,159 @@ sa1111_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 	} else {
 		consistent_sync(bus_to_virt(dma_addr), size, direction);
 	}
+}
+
+/* ************************************************** */
+
+/*
+ * see if a buffer address is in an 'unsafe' range.  if it is
+ * allocate a 'safe' buffer and copy the unsafe buffer into it.
+ * substitute the safe buffer for the unsafe one.
+ * (basically move the buffer from an unsafe area to a safe one)
+ */
+dma_addr_t
+sa1111_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
+{
+	unsigned long flags;
+	dma_addr_t dma_addr;
+
+	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
+	       __func__, hwdev, ptr, size, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+	BUG_ON(direction == PCI_DMA_NONE);
+
+	local_irq_save(flags);
+
+	dma_addr = map_single(hwdev, ptr, size, direction);
+
+	local_irq_restore(flags);
+
+	return dma_addr;
+}
+
+/*
+ * see if a mapped address was really a "safe" buffer and if so, copy
+ * the data from the safe buffer back to the unsafe buffer and free up
+ * the safe buffer.  (basically return things back to the way they
+ * should be)
+ */
+
+void
+sa1111_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+		    size_t size, int direction)
+{
+	unsigned long flags;
+
+	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
+		__func__, hwdev, (void *) dma_addr, size, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+	BUG_ON(direction == PCI_DMA_NONE);
+
+	local_irq_save(flags);
+
+	unmap_single(hwdev, dma_addr, size, direction);
+
+	local_irq_restore(flags);
+}
+
+int
+sa1111_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+	      int nents, int direction)
+{
+	unsigned long flags;
+	int i;
+
+	DPRINTK("%s(hwdev=%p,sg=%p,nents=%d,dir=%x)\n",
+		__func__, hwdev, sg, nents, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+	BUG_ON(direction == PCI_DMA_NONE);
+
+	local_irq_save(flags);
+
+	for (i = 0; i < nents; i++, sg++) {
+		struct page *page = sg->page;
+		unsigned int offset = sg->offset;
+		unsigned int length = sg->length;
+		void *ptr = page_address(page) + offset;
+
+		sg->dma_address =
+			map_single(hwdev, ptr, length, direction);
+	}
+
+	local_irq_restore(flags);
+
+	return nents;
+}
+
+void
+sa1111_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents,
+	     int direction)
+{
+	unsigned long flags;
+	int i;
+
+	DPRINTK("%s(hwdev=%p,sg=%p,nents=%d,dir=%x)\n",
+		__func__, hwdev, sg, nents, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+	BUG_ON(direction == PCI_DMA_NONE);
+
+	local_irq_save(flags);
+
+	for (i = 0; i < nents; i++, sg++) {
+		dma_addr_t dma_addr = sg->dma_address;
+		unsigned int length = sg->length;
+
+		unmap_single(hwdev, dma_addr, length, direction);
+	}
+
+	local_irq_restore(flags);
+}
+
+void
+sa1111_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+		       size_t size, int direction)
+{
+	unsigned long flags;
+
+	DPRINTK("%s(hwdev=%p,ptr=%p,size=%d,dir=%x)\n",
+		__func__, hwdev, (void *) dma_addr, size, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+
+	local_irq_save(flags);
+
+	sync_single(hwdev, dma_addr, size, direction);
 
 	local_irq_restore(flags);
 }
 
 void
 sa1111_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-		   int nelems, int direction)
+		   int nents, int direction)
 {
-	BUG();			/* Not implemented. */
+	unsigned long flags;
+	int i;
+
+	DPRINTK("%s(hwdev=%p,sg=%p,nents=%d,dir=%x)\n",
+		__func__, hwdev, sg, nents, direction);
+
+	BUG_ON(hwdev != SA1111_FAKE_PCIDEV);
+	BUG_ON(direction == PCI_DMA_NONE);
+
+	local_irq_save(flags);
+
+	for (i = 0; i < nents; i++, sg++) {
+		dma_addr_t dma_addr = sg->dma_address;
+		unsigned int length = sg->length;
+
+		sync_single(hwdev, dma_addr, length, direction);
+	}
+
+	local_irq_restore(flags);
 }
 
 EXPORT_SYMBOL(sa1111_map_single);
@@ -399,6 +551,11 @@ static void __exit sa1111_pcibuf_exit(void)
 {
 	BUG_ON(!list_empty(&safe_buffers));
 
+#ifdef STATS
+	print_alloc_stats();
+	print_map_stats();
+#endif
+
 	destroy_safe_buffer_pools();
 }
 module_exit(sa1111_pcibuf_exit);

arch/v850/Kconfig

@@ -63,6 +63,8 @@ menu "Processor type and features"
       	     bool "NA85E2C-FPGA"
       config V850E2_ANNA
       	     bool "Anna"
+      config V850E_AS85EP1
+      	     bool "AS85EP1"
    endchoice
 
 

arch/v850/Makefile

@@ -22,6 +22,9 @@ CFLAGS += -ffixed-r16 -mno-prolog-function
 CFLAGS += -fno-builtin
 CFLAGS += -D__linux__ -DUTS_SYSNAME=\"uClinux\"
 
+LDFLAGS_BLOB := -b binary --oformat elf32-little
+OBJCOPY_FLAGS_BLOB := -I binary -O elf32-little -B v850e
+
 
 HEAD := $(arch_dir)/kernel/head.o $(arch_dir)/kernel/init_task.o
 core-y += $(arch_dir)/kernel/
@@ -40,10 +43,8 @@ core-y += root_fs_image.o
 # This results in it being built anew each time, but that's alright.
 root_fs_image.o: root_fs_image_force
 
-# Note that we use the build-system's objcopy, as the v850 tools are fairly
-# old, and don't have the --rename-section option.
 root_fs_image_force: $(ROOT_FS_IMAGE)
-	objcopy -I binary -O elf32-little -B i386 --rename-section .data=.root,alloc,load,readonly,data,contents $< root_fs_image.o
+	$(OBJCOPY) $(OBJCOPY_FLAGS_BLOB) --rename-section .data=.root,alloc,load,readonly,data,contents $< root_fs_image.o
 endif
 
 

arch/v850/anna-rom.ld

@@ -80,6 +80,11 @@ SECTIONS {
 		__root_fs_image_start = . ;
 		*(.root)
 		__root_fs_image_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
 	} > ROM
 
 	__rom_copy_src_start = . ;

arch/v850/anna.ld

@@ -103,6 +103,12 @@ SECTIONS {
 			*(.initcall7.init)
 		. = ALIGN (4) ;
 		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
+
 		__init_end = . ;
 
 		__kram_end = . ;

arch/v850/as85ep1.ld

+/* Linker script for the NEC AS85EP1 V850E evaluation board
+   (CONFIG_V850E_AS85EP1).  */
+
+/* Note, all symbols are prefixed with an extra `_' for compatibility with
+   the existing linux sources.  */
+
+_jiffies = _jiffies_64 ;
+
+MEMORY {
+       /* 1MB of internal memory ($BFbB"L?Na(BRAM).  */
+       iMEM0 : ORIGIN = 0,	    LENGTH = 0x00100000
+
+       /* 1MB of static RAM.  */
+       SRAM  : ORIGIN = 0x00400000, LENGTH = 0x00100000
+
+       /* About 58MB of DRAM.  This can actually be at one of two positions,
+	  determined by jump JP3; we have to use the first position because the
+	  second is partially out of processor instruction addressing range
+	  (though in the second position there's actually 64MB available).  */
+       SDRAM : ORIGIN = 0x00600000, LENGTH = 0x039F8000
+}
+
+SECTIONS {
+	.resetv : {
+		__intv_start = . ;
+			*(.intv.reset)	/* Reset vector */
+	} > iMEM0
+
+	.text : {
+		 __kram_start = . ;
+
+		__stext = . ;
+        	*(.text)
+			*(.exit.text)	/* 2.5 convention */
+			*(.text.exit)	/* 2.4 convention */
+			*(.text.lock)
+			*(.exitcall.exit)
+		__real_etext = . ;	/* There may be data after here.  */
+			*(.rodata)
+
+		. = ALIGN (0x4) ;
+			*(.kstrtab)
+
+		. = ALIGN (4) ;
+		    	*(.call_table_data)
+			*(.call_table_text)
+
+		. = ALIGN (16) ;	/* Exception table.  */
+		___start___ex_table = . ;
+			*(__ex_table)
+		___stop___ex_table = . ;
+
+		___start___ksymtab = . ;/* Kernel symbol table.  */
+			*(__ksymtab)
+		___stop___ksymtab = . ;
+		. = ALIGN (4) ;
+		__etext = . ;
+	} > SRAM
+
+	.data ALIGN (0x4) : {
+		__sdata = . ;
+		___data_start = . ;
+        	*(.data)
+			*(.exit.data)	/* 2.5 convention */
+			*(.data.exit)	/* 2.4 convention */
+		. = ALIGN (16) ;
+		*(.data.cacheline_aligned)
+		. = ALIGN (0x2000) ;
+        	*(.data.init_task)
+		. = ALIGN (0x2000) ;
+		__edata = . ;
+	} > SRAM
+
+	.bss ALIGN (0x4) : {
+		__sbss = . ;
+			*(.bss)
+			*(COMMON)
+		. = ALIGN (4) ;
+		__init_stack_end = . ;
+		__ebss = . ;
+	} > SRAM
+
+	.init ALIGN (4096) : {
+		__init_start = . ;
+			*(.init.text)	/* 2.5 convention */
+			*(.init.data)
+			*(.text.init)	/* 2.4 convention */
+			*(.data.init)
+		. = ALIGN (16) ;
+		___setup_start = . ;
+			*(.init.setup)	/* 2.5 convention */
+			*(.setup.init)	/* 2.4 convention */
+		___setup_end = . ;
+		___initcall_start = . ;
+			*(.initcall.init)
+			*(.initcall1.init)
+			*(.initcall2.init)
+			*(.initcall3.init)
+			*(.initcall4.init)
+			*(.initcall5.init)
+			*(.initcall6.init)
+			*(.initcall7.init)
+		. = ALIGN (4) ;
+		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
+
+		/* We stick most of the interrupt vectors here; they'll be
+		   copied into the proper location by the early init code (we
+		   can't put them directly in the right place because of
+		   hardware bugs).  The vectors shouldn't need to be
+		   relocated, so we don't have to use `> ...  AT> ...' to
+		   split the load/vm addresses (and we can't because of
+		   problems with the loader).  */
+		. = ALIGN (0x10) ;
+		__intv_copy_src_start = . ;
+			*(.intv.common)	/* Vectors common to all v850e proc. */
+			*(.intv.mach)	/* Machine-specific int. vectors.  */
+		. = ALIGN (0x10) ;
+		__intv_copy_src_end = . ;
+
+		/* This is here so that when we free init memory, the initial
+		   load-area of the interrupt vectors is freed too.  */
+		__init_end = . ;
+		__kram_end = . ;
+		   
+		__bootmap = . ;
+		. = . + 4096 ;		/* enough for 128MB.   */
+	} > SRAM
+
+	/* Where we end up putting the vectors.  */
+	__intv_copy_dst_start = 0x10 ;
+	__intv_copy_dst_end = __intv_copy_dst_start + (__intv_copy_src_end - __intv_copy_src_start) ;
+
+	__intv_end = __intv_copy_dst_end ;
+
+	/* Device contents for the root filesystem.  */
+	.root : {
+		. = ALIGN (4096) ;
+		__root_fs_image_start = . ;
+		*(.root)
+		__root_fs_image_end = . ;
+	} > SDRAM
+}

arch/v850/kernel/Makefile

@@ -15,11 +15,12 @@ obj-y += intv.o entry.o process.o syscalls.o time.o semaphore.o setup.o \
 	 signal.o irq.o mach.o ptrace.o bug.o
 export-objs += v850_ksyms.o rte_mb_a_pci.o
 
-obj-$(CONFIG_MODULES)		+= v850_ksyms.o
+obj-$(CONFIG_MODULES)		+= module.o v850_ksyms.o
 # chip-specific code
 obj-$(CONFIG_V850E_MA1)		+= ma.o	nb85e_utils.o nb85e_timer_d.o
 obj-$(CONFIG_V850E_NB85E)	+= nb85e_intc.o
 obj-$(CONFIG_V850E2_ANNA)	+= anna.o nb85e_intc.o nb85e_utils.o nb85e_timer_d.o
+obj-$(CONFIG_V850E_AS85EP1)	+= as85ep1.o nb85e_intc.o nb85e_utils.o nb85e_timer_d.o
 # platform-specific code
 obj-$(CONFIG_V850E_SIM)		+= sim.o simcons.o
 obj-$(CONFIG_V850E2_SIM85E2C)	+= sim85e2c.o nb85e_intc.o memcons.o

arch/v850/kernel/anna.c

@@ -27,11 +27,14 @@
 #include "mach.h"
 
 
-/* SRAM and SDRAM are vaguely contiguous (with a hole in between; see
-   mach_reserve_bootmem for details), so just use both as one big area.  */
+/* SRAM and SDRAM are vaguely contiguous (with a big hole in between; see
+   mach_reserve_bootmem for details); use both as one big area.  */
 #define RAM_START 	SRAM_ADDR
 #define RAM_END		(SDRAM_ADDR + SDRAM_SIZE)
 
+/* The bits of this port are connected to an 8-LED bar-graph.  */
+#define LEDS_PORT	0
+
 
 static void anna_led_tick (void);
 
@@ -44,7 +47,7 @@ void __init mach_early_init (void)
 	ANNA_BPC    = 0;
 	ANNA_BSC    = 0xAAAA;
 	ANNA_BEC    = 0;
-	ANNA_BHC    = 0x00FF;	/* icache all memory, dcache none */
+	ANNA_BHC    = 0xFFFF;	/* icache all memory, dcache all */
 	ANNA_BCT(0) = 0xB088;
 	ANNA_BCT(1) = 0x0008;
 	ANNA_DWC(0) = 0x0027;
@@ -60,17 +63,11 @@ void __init mach_early_init (void)
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO
-		"CPU: %s\n"
-		"Platform: %s\n",
-		CPU_MODEL_LONG,
-		PLATFORM_LONG);
-
 #ifdef CONFIG_V850E_NB85E_UART_CONSOLE
 	nb85e_uart_cons_init (1);
 #endif
 
-	ANNA_PORT_PM (0) = 0;	/* Make all LED pins output pins.  */
+	ANNA_PORT_PM (LEDS_PORT) = 0;	/* Make all LED pins output pins.  */
 	mach_tick = anna_led_tick;
 }
 
@@ -138,7 +135,7 @@ void machine_halt (void)
 	disable_reset_guard ();
 #endif
 	local_irq_disable ();	/* Ignore all interrupts.  */
-	ANNA_PORT_IO(0) = 0xAA;	/* Note that we halted.  */
+	ANNA_PORT_IO(LEDS_PORT) = 0xAA;	/* Note that we halted.  */
 	for (;;)
 		asm ("halt; nop; nop; nop; nop; nop");
 }
@@ -191,9 +188,9 @@ static void anna_led_tick ()
 
 			if (pos + dir <= max_pos) {
 				/* Each bit of port 0 has a LED. */
-				clear_bit (pos, &ANNA_PORT_IO(0));
+				clear_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
 				pos += dir;
-				set_bit (pos, &ANNA_PORT_IO(0));
+				set_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
 			}
 		}
 

arch/v850/kernel/as85ep1.c

+/*
+ * arch/v850/kernel/as85ep1.c -- AS85EP1 V850E evaluation chip/board
+ *
+ *  Copyright (C) 2002  NEC Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/major.h>
+#include <linux/irq.h>
+
+#include <asm/machdep.h>
+#include <asm/atomic.h>
+#include <asm/page.h>
+#include <asm/nb85e_timer_d.h>
+#include <asm/nb85e_uart.h>
+
+#include "mach.h"
+
+
+/* SRAM and SDRAM are vaguely contiguous (with a big hole in between; see
+   mach_reserve_bootmem for details); use both as one big area.  */
+#define RAM_START 	SRAM_ADDR
+#define RAM_END		(SDRAM_ADDR + SDRAM_SIZE)
+
+/* The bits of this port are connected to an 8-LED bar-graph.  */
+#define LEDS_PORT	4
+
+
+static void as85ep1_led_tick (void);
+
+extern char _intv_copy_src_start, _intv_copy_src_end;
+extern char _intv_copy_dst_start;
+
+
+void __init mach_early_init (void)
+{
+	const u32 *src;
+	register u32 *dst asm ("ep");
+
+	AS85EP1_CSC(0) = 0x0403;
+	AS85EP1_BCT(0) = 0xB8B8;
+	AS85EP1_DWC(0) = 0x0104;
+	AS85EP1_BCC    = 0x0012;
+	AS85EP1_ASC    = 0;
+	AS85EP1_LBS    = 0x00A9;
+	AS85EP1_RFS(1) = 0x8205;
+	AS85EP1_RFS(3) = 0x8205;
+	AS85EP1_SCR(1) = 0x20A9;
+	AS85EP1_SCR(3) = 0x20A9;
+
+	AS85EP1_PORT_PMC(6)  = 0xFF; /* A20-25, A0,A1 $BM-8z(B */
+	AS85EP1_PORT_PMC(7)  = 0x0E; /* CS1,2,3       $BM-8z(B */
+	AS85EP1_PORT_PMC(9)  = 0xFF; /* D16-23        $BM-8z(B */
+	AS85EP1_PORT_PMC(10) = 0xFF; /* D24-31        $BM-8z(B */
+
+	AS85EP1_IRAMM = 0x3;	/* $BFbB"L?Na(BRAM$B$O!V(Bwrite-mode$B!W$K$J$j$^$9(B */
+
+	/* The early chip we have is buggy, so that writing the interrupt
+	   vectors into low RAM may screw up, so for non-ROM kernels, we
+	   only rely on the reset vector being downloaded, and copy the
+	   rest of the interrupt vectors into place here.  The specific bug
+	   is that writing address N, where (N & 0x10) == 0x10, will _also_
+	   write to address (N - 0x10).  We avoid this (effectively) by
+	   writing in 16-byte chunks backwards from the end.  */
+	src = (u32 *)(((u32)&_intv_copy_src_end - 1) & ~0xF);
+	dst = (u32 *)&_intv_copy_dst_start
+		+ (src - (u32 *)&_intv_copy_src_start);
+	do {
+		u32 t0 = src[0], t1 = src[1], t2 = src[2], t3 = src[3];
+		dst[0] = t0; dst[1] = t1; dst[2] = t2; dst[3] = t3;
+		dst -= 4;
+		src -= 4;
+	} while (src > (u32 *)&_intv_copy_src_start);
+
+	AS85EP1_IRAMM = 0x0;	/* $BFbB"L?Na(BRAM$B$O!V(Bread-mode$B!W$K$J$j$^$9(B */
+
+	nb85e_intc_disable_irqs ();
+}
+
+void __init mach_setup (char **cmdline)
+{
+#ifdef CONFIG_V850E_NB85E_UART_CONSOLE
+	nb85e_uart_cons_init (1);
+#endif
+
+	AS85EP1_PORT_PMC (LEDS_PORT) = 0; /* Make the LEDs port an I/O port. */
+	AS85EP1_PORT_PM (LEDS_PORT) = 0; /* Make all the bits output pins.  */
+	mach_tick = as85ep1_led_tick;
+
+	ROOT_DEV = MKDEV (BLKMEM_MAJOR, 0);
+}
+
+void __init mach_get_physical_ram (unsigned long *ram_start,
+				   unsigned long *ram_len)
+{
+	*ram_start = RAM_START;
+	*ram_len = RAM_END - RAM_START;
+}
+
+void __init mach_reserve_bootmem ()
+{
+	extern char _root_fs_image_start, _root_fs_image_end;
+	u32 root_fs_image_start = (u32)&_root_fs_image_start;
+	u32 root_fs_image_end = (u32)&_root_fs_image_end;
+
+	/* We can't use the space between SRAM and SDRAM, so prevent the
+	   kernel from trying.  */
+	reserve_bootmem (SRAM_ADDR + SRAM_SIZE,
+			 SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE));
+
+	/* Reserve the memory used by the root filesystem image if it's
+	   in RAM.  */
+	if (root_fs_image_end > root_fs_image_start
+	    && root_fs_image_start >= RAM_START
+	    && root_fs_image_start < RAM_END)
+		reserve_bootmem (root_fs_image_start,
+				 root_fs_image_end - root_fs_image_start);
+}
+
+void mach_gettimeofday (struct timeval *tv)
+{
+	tv->tv_sec = 0;
+	tv->tv_usec = 0;
+}
+
+void __init mach_sched_init (struct irqaction *timer_action)
+{
+	/* Start hardware timer.  */
+	nb85e_timer_d_configure (0, HZ);
+	/* Install timer interrupt handler.  */
+	setup_irq (IRQ_INTCMD(0), timer_action);
+}
+
+static struct nb85e_intc_irq_init irq_inits[] = {
+	{ "IRQ", 0, 		NUM_MACH_IRQS,	1, 7 },
+	{ "CCC", IRQ_INTCCC(0),	IRQ_INTCCC_NUM, 1, 5 },
+	{ "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM,	1, 5 },
+	{ "SRE", IRQ_INTSRE(0), IRQ_INTSRE_NUM,	3, 3 },
+	{ "SR",	 IRQ_INTSR(0),	IRQ_INTSR_NUM, 	3, 4 },
+	{ "ST",  IRQ_INTST(0), 	IRQ_INTST_NUM, 	3, 5 },
+	{ 0 }
+};
+#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1)
+
+static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
+
+void __init mach_init_irqs (void)
+{
+	nb85e_intc_init_irq_types (irq_inits, hw_itypes);
+}
+
+void machine_restart (char *__unused)
+{
+#ifdef CONFIG_RESET_GUARD
+	disable_reset_guard ();
+#endif
+	asm ("jmp r0"); /* Jump to the reset vector.  */
+}
+
+void machine_halt (void)
+{
+#ifdef CONFIG_RESET_GUARD
+	disable_reset_guard ();
+#endif
+	local_irq_disable ();	/* Ignore all interrupts.  */
+	AS85EP1_PORT_IO (LEDS_PORT) = 0xAA;	/* Note that we halted.  */
+	for (;;)
+		asm ("halt; nop; nop; nop; nop; nop");
+}
+
+void machine_power_off (void)
+{
+	machine_halt ();
+}
+
+/* Called before configuring an on-chip UART.  */
+void as85ep1_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
+{
+	/* Make the shared uart/port pins be uart pins.  */
+	AS85EP1_PORT_PMC(3) |= (0x5 << chan);
+
+	/* The AS85EP1 connects some general-purpose I/O pins on the CPU to
+	   the RTS/CTS lines of UART 1's serial connection.  I/O pins P53
+	   and P54 are RTS and CTS respectively.  */
+	if (chan == 1) {
+		/* Put P53 & P54 in I/O port mode.  */
+		AS85EP1_PORT_PMC(5) &= ~0x18;
+		/* Make P53 an output, and P54 an input.  */
+		AS85EP1_PORT_PM(5) |=  0x10;
+	}
+}
+
+/* Minimum and maximum bounds for the moving upper LED boundary in the
+   clock tick display.  */
+#define MIN_MAX_POS 0
+#define MAX_MAX_POS 7
+
+/* There are MAX_MAX_POS^2 - MIN_MAX_POS^2 cycles in the animation, so if
+   we pick 6 and 0 as above, we get 49 cycles, which is when divided into
+   the standard 100 value for HZ, gives us an almost 1s total time.  */
+#define TICKS_PER_FRAME \
+	(HZ / (MAX_MAX_POS * MAX_MAX_POS - MIN_MAX_POS * MIN_MAX_POS))
+
+static void as85ep1_led_tick ()
+{
+	static unsigned counter = 0;
+	
+	if (++counter == TICKS_PER_FRAME) {
+		static int pos = 0, max_pos = MAX_MAX_POS, dir = 1;
+
+		if (dir > 0 && pos == max_pos) {
+			dir = -1;
+			if (max_pos == MIN_MAX_POS)
+				max_pos = MAX_MAX_POS;
+			else
+				max_pos--;
+		} else {
+			if (dir < 0 && pos == 0)
+				dir = 1;
+
+			if (pos + dir <= max_pos) {
+				/* Each bit of port 0 has a LED. */
+				set_bit (pos, &AS85EP1_PORT_IO(LEDS_PORT));
+				pos += dir;
+				clear_bit (pos, &AS85EP1_PORT_IO(LEDS_PORT));
+			}
+		}
+
+		counter = 0;
+	}
+}

arch/v850/kernel/bug.c

@@ -60,3 +60,76 @@ void unexpected_reset (unsigned long ret_addr, unsigned long kmode,
 	machine_halt ();
 }
 #endif /* CONFIG_RESET_GUARD */
+
+
+
+struct spec_reg_name {
+	const char *name;
+	int gpr;
+};
+
+struct spec_reg_name spec_reg_names[] = {
+	{ "sp", GPR_SP },
+	{ "gp", GPR_GP },
+	{ "tp", GPR_TP },
+	{ "ep", GPR_EP },
+	{ "lp", GPR_LP },
+	{ 0, 0 }
+};
+
+void show_regs (struct pt_regs *regs)
+{
+	int gpr_base, gpr_offs;
+
+	printk ("     pc 0x%08lx    psw 0x%08lx                       kernel_mode %d\n",
+		regs->pc, regs->psw, regs->kernel_mode);
+	printk ("   ctpc 0x%08lx  ctpsw 0x%08lx   ctbp 0x%08lx\n",
+		regs->ctpc, regs->ctpsw, regs->ctbp);
+
+	for (gpr_base = 0; gpr_base < NUM_GPRS; gpr_base += 4) {
+		for (gpr_offs = 0; gpr_offs < 4; gpr_offs++) {
+			int gpr = gpr_base + gpr_offs;
+			long val = regs->gpr[gpr];
+			struct spec_reg_name *srn;
+
+			for (srn = spec_reg_names; srn->name; srn++)
+				if (srn->gpr == gpr)
+					break;
+
+			if (srn->name)
+				printk ("%7s 0x%08lx", srn->name, val);
+			else
+				printk ("    r%02d 0x%08lx", gpr, val);
+		}
+
+		printk ("\n");
+	}
+}
+
+void show_stack (unsigned long *sp)
+{
+	unsigned long end;
+	unsigned long addr = (unsigned long)sp;
+
+	if (! addr)
+		addr = stack_addr ();
+
+	addr = addr & ~3;
+	end = (addr + THREAD_SIZE - 1) & THREAD_MASK;
+
+	while (addr < end) {
+		printk ("%8lX: ", addr);
+		while (addr < end) {
+			printk (" %8lX", *(unsigned long *)addr);
+			addr += sizeof (unsigned long);
+			if (! (addr & 0xF))
+				break;
+		}
+		printk ("\n");
+	}
+}
+
+void dump_stack ()
+{
+	show_stack (0);
+}

arch/v850/kernel/entry.S

@@ -657,6 +657,12 @@ G_ENTRY(irq):
 	shl	16, r6			// clear upper 16 bits
 	shr	20, r6			// shift back, and remove lower nibble
 	add	-8, r6			// remove bias for irqs
+
+	// If the IRQ index is negative, it's actually one of the exception
+	// traps below 0x80 (currently, the illegal instruction trap, and
+	// the `debug trap').  Handle these separately.
+	bn	exception
+
 	// Call the high-level interrupt handling code.
 	jarl	CSYM(handle_irq), lp
 	// fall through
@@ -665,6 +671,23 @@ G_ENTRY(irq):
    handlers, below).  */
 ret_from_irq:
 	RETURN(IRQ)
+
+exception:
+	mov	hilo(ret_from_irq), lp	// where the handler should return
+	
+	cmp	-2, r6
+	bne	1f
+	// illegal instruction exception
+	addi	SIGILL, r0, r6		// Arg 0: signal number
+	mov	CURRENT_TASK, r7	// Arg 1: task
+	jr	CSYM(force_sig)		// tail call
+
+1:	cmp	-1, r6
+	bne	bad_trap_wrapper
+	// `dbtrap' exception
+	movea	PTO, sp, r6		// Arg 0: user regs
+	jr	CSYM(debug_trap)	// tail call
+
 END(irq)
 
 
@@ -692,44 +715,7 @@ G_ENTRY(nmi):
 	jarl	CSYM(handle_irq), lp
 
 	RETURN(NMI)
-END(nmi0)
-
-
-/*
- * Illegal instruction trap.
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- */
-G_ENTRY(illegal_instruction):
-	SAVE_STATE (IRQ, r0, ENTRY_SP)	// Save registers. 
-	ei
-	addi	SIGILL, r0, r6		// Arg 0: signal number
-	mov	CURRENT_TASK, r7	// Arg 1: task
-	mov	hilo(ret_from_irq), lp	// where the handler should return
-	jr	CSYM(force_sig)
-END(illegal_instruction)
-
-
-/*
- * `Debug' trap
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- */
-G_ENTRY(dbtrap):
-	SAVE_STATE (IRQ, r0, ENTRY_SP)	// Save registers. 
-	ei
-	movea	PTO, sp, r6		// Arg 0: user regs
-	mov	hilo(ret_from_irq), lp	// where the handler should return
-	jr	CSYM(debug_trap)
-END(dbtrap)
+END(nmi)
 
 
 /*
@@ -771,8 +757,7 @@ C_END(switch_thread)
 	.data
 
 	.align 4
-	.globl CSYM(trap_table)
-CSYM(trap_table):
+C_DATA(trap_table):
 	.long bad_trap_wrapper		// trap 0, doesn't use trap table. 
 	.long syscall_long		// trap 1, `long' syscall. 
 	.long bad_trap_wrapper
@@ -789,13 +774,13 @@ CSYM(trap_table):
 	.long bad_trap_wrapper
 	.long bad_trap_wrapper
 	.long bad_trap_wrapper
+C_END(trap_table)
 
 
 	.section .rodata
 	
 	.align 4
-	.globl CSYM(sys_call_table)
-CSYM(sys_call_table):
+C_DATA(sys_call_table):
 	.long CSYM(sys_ni_syscall)	// 0  -  old "setup()" system call
 	.long CSYM(sys_exit)
 	.long sys_fork_wrapper
@@ -923,10 +908,10 @@ CSYM(sys_call_table):
 	.long CSYM(sys_adjtimex)
 	.long CSYM(sys_ni_syscall)	// 125 - sys_mprotect
 	.long CSYM(sys_sigprocmask)
-	.long CSYM(sys_create_module)
+	.long CSYM(sys_ni_syscall)	// sys_create_module
 	.long CSYM(sys_init_module)
 	.long CSYM(sys_delete_module)
-	.long CSYM(sys_get_kernel_syms) // 130
+	.long CSYM(sys_ni_syscall)	// 130 - sys_get_kernel_syms
 	.long CSYM(sys_quotactl)
 	.long CSYM(sys_getpgid)
 	.long CSYM(sys_fchdir)
@@ -963,7 +948,7 @@ CSYM(sys_call_table):
 	.long CSYM(sys_setresuid)
 	.long CSYM(sys_getresuid)	// 165
 	.long CSYM(sys_ni_syscall)	// for vm86
-	.long CSYM(sys_query_module)
+	.long CSYM(sys_ni_syscall)	// sys_query_module
 	.long CSYM(sys_poll)
 	.long CSYM(sys_nfsservctl)
 	.long CSYM(sys_setresgid)	// 170
@@ -1003,3 +988,4 @@ CSYM(sys_call_table):
 	.long CSYM(sys_ni_syscall)	// sys_madvise
 
 	.space (NR_syscalls-205)*4
+C_END(sys_call_table)

arch/v850/kernel/fpga85e2c.c

@@ -73,8 +73,6 @@ void __init mach_early_init (void)
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO "CPU: NEC V850E2 (NA85E2C FPGA implementation)\n");
-
 	memcons_setup ();
 
 	/* Setup up NMI0 to copy the registers to a known memory location.

arch/v850/kernel/gbus_int.c

@@ -14,11 +14,10 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <linux/sched.h>	/* For some unfathomable reason,
-				   request_irq/free_irq are declared here.  */
+#include <linux/interrupt.h>
+#include <linux/signal.h>
 
 #include <asm/machdep.h>
-#include <asm/irq.h>
 
 
 /* The number of shared GINT interrupts. */
@@ -72,7 +71,7 @@ int gbus_int_irq_enabled (unsigned irq)
 }
 
 /* Disable all GBUS irqs.  */
-int gbus_int_disable_irqs ()
+void gbus_int_disable_irqs ()
 {
 	unsigned w, n;
 	for (w = 0; w < GBUS_INT_NUM_WORDS; w++)
@@ -183,7 +182,7 @@ void __init gbus_int_init_irq_types (struct gbus_int_irq_init *inits,
 {
 	struct gbus_int_irq_init *init;
 	for (init = inits; init->name; init++) {
-		int i;
+		unsigned i;
 		struct hw_interrupt_type *hwit = hw_irq_types++;
 
 		hwit->typename = init->name;
@@ -200,7 +199,7 @@ void __init gbus_int_init_irq_types (struct gbus_int_irq_init *inits,
 
 		/* Set the interrupt priorities.  */
 		for (i = 0; i < init->num; i++) {
-			int j;
+			unsigned j;
 			for (j = 0; j < NUM_USED_GINTS; j++)
 				if (used_gint[j].priority > init->priority)
 					break;
@@ -222,7 +221,7 @@ static struct hw_interrupt_type gint_hw_itypes[NUM_USED_GINTS];
 
 /* GBUS interrupts themselves.  */
 
-__init struct gbus_int_irq_init gbus_irq_inits[] = {
+struct gbus_int_irq_init gbus_irq_inits[] __initdata = {
 	/* First set defaults.  */
 	{ "GBUS_INT", IRQ_GBUS_INT(0), IRQ_GBUS_INT_NUM, 1, 6},
 	{ 0 }
@@ -236,7 +235,7 @@ static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS];
 /* Initialize GBUS interrupts.  */
 void __init gbus_int_init_irqs (void)
 {
-	int i;
+	unsigned i;
 
 	/* First initialize the shared gint interrupts.  */
 	for (i = 0; i < NUM_USED_GINTS; i++) {

arch/v850/kernel/head.S

@@ -118,4 +118,4 @@ C_ENTRY(start):
 	// Start Linux kernel.
 	mov	hilo(CSYM(machine_halt)), lp
 	jr	CSYM(start_kernel)
-END(start)
+C_END(start)

arch/v850/kernel/intv.S

@@ -52,10 +52,10 @@
 	JUMP_TO_HANDLER (trap, ENTRY_SP)	// TRAP1n
 
 	.balign	0x10
-	JUMP_TO_HANDLER (illegal_instruction, ENTRY_SP) // illegal insn trap
+	JUMP_TO_HANDLER (irq, ENTRY_SP)		// illegal insn trap
 
 	.balign	0x10
-	JUMP_TO_HANDLER (dbtrap, ENTRY_SP)	// DBTRAP insn
+	JUMP_TO_HANDLER (irq, ENTRY_SP)		// DBTRAP insn
 
 
 	/* Hardware interrupt vectors.  */

arch/v850/kernel/irq.c

@@ -252,7 +252,7 @@ unsigned int handle_irq (int irq, struct pt_regs *regs)
 	unsigned int status;
 
 	irq_enter();
-	kstat.irqs[cpu][irq]++;
+	kstat_cpu(cpu).irqs[irq]++;
 	spin_lock(&desc->lock);
 	desc->handler->ack(irq);
 	/*

arch/v850/kernel/module.c

+/*
+ * arch/v850/kernel/module.c -- Architecture-specific module functions
+ *
+ *  Copyright (C) 2002  NEC Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *  Copyright (C) 2001  Rusty Russell
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ *
+ * Derived in part from arch/ppc/kernel/module.c
+ */
+
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <linux/moduleloader.h>
+#include <linux/elf.h>
+
+#if 0
+#define DEBUGP printk
+#else
+#define DEBUGP(fmt , ...)
+#endif
+
+void *module_alloc (unsigned long size)
+{
+	return size == 0 ? 0 : vmalloc (size);
+}
+
+void module_free (struct module *mod, void *module_region)
+{
+	vfree (module_region);
+	/* FIXME: If module_region == mod->init_region, trim exception
+           table entries. */
+}
+
+int module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+		     struct module *mod)
+{
+	return 0;
+}
+
+/* Count how many different relocations (different symbol, different
+   addend) */
+static unsigned int count_relocs(const Elf32_Rela *rela, unsigned int num)
+{
+	unsigned int i, j, ret = 0;
+
+	/* Sure, this is order(n^2), but it's usually short, and not
+           time critical */
+	for (i = 0; i < num; i++) {
+		for (j = 0; j < i; j++) {
+			/* If this addend appeared before, it's
+                           already been counted */
+			if (ELF32_R_SYM(rela[i].r_info)
+			    == ELF32_R_SYM(rela[j].r_info)
+			    && rela[i].r_addend == rela[j].r_addend)
+				break;
+		}
+		if (j == i) ret++;
+	}
+	return ret;
+}
+
+/* Get the potential trampolines size required of the init and
+   non-init sections */
+static unsigned long get_plt_size(const Elf32_Ehdr *hdr,
+				  const Elf32_Shdr *sechdrs,
+				  const char *secstrings,
+				  int is_init)
+{
+	unsigned long ret = 0;
+	unsigned i;
+
+	/* Everything marked ALLOC (this includes the exported
+           symbols) */
+	for (i = 1; i < hdr->e_shnum; i++) {
+		/* If it's called *.init*, and we're not init, we're
+                   not interested */
+		if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
+		    != is_init)
+			continue;
+
+		if (sechdrs[i].sh_type == SHT_RELA) {
+			DEBUGP("Found relocations in section %u\n", i);
+			DEBUGP("Ptr: %p.  Number: %u\n",
+			       (void *)hdr + sechdrs[i].sh_offset,
+			       sechdrs[i].sh_size / sizeof(Elf32_Rela));
+			ret += count_relocs((void *)hdr
+					     + sechdrs[i].sh_offset,
+					     sechdrs[i].sh_size
+					     / sizeof(Elf32_Rela))
+				* sizeof(struct v850_plt_entry);
+		}
+	}
+
+	return ret;
+}
+
+long module_core_size (const Elf32_Ehdr *hdr, const Elf32_Shdr *sechdrs,
+		       const char *secstrings, struct module *mod)
+{
+	mod->arch.core_plt_offset = (mod->core_size + 3) & ~3;
+	return mod->core_size + get_plt_size (hdr, sechdrs, secstrings, 1);
+}
+
+long module_init_size (const Elf32_Ehdr *hdr, const Elf32_Shdr *sechdrs,
+		       const char *secstrings, struct module *mod)
+{
+	mod->arch.init_plt_offset = (mod->init_size + 3) & ~3;
+	return mod->init_size + get_plt_size (hdr, sechdrs, secstrings, 1);
+}
+
+int apply_relocate (Elf32_Shdr *sechdrs, const char *strtab,
+		    unsigned int symindex, unsigned int relsec,
+		    struct module *mod)
+{
+	printk ("Barf\n");
+	return -ENOEXEC;
+}
+
+/* Set up a trampoline in the PLT to bounce us to the distant function */
+static uint32_t do_plt_call(void *location, Elf32_Addr val, struct module *mod)
+{
+	struct v850_plt_entry *entry;
+	/* Instructions used to do the indirect jump.  */
+	uint32_t tramp[2];
+
+	/* We have to trash a register, so we assume that any control
+	   transfer more than 21-bits away must be a function call
+	   (so we can use a call-clobbered register).  */
+	tramp[0] = 0x0621 + ((val & 0xffff) << 16);   /* mov sym, r1 ... */
+	tramp[1] = ((val >> 16) & 0xffff) + 0x610000; /* ...; jmp r1 */
+
+	/* Init, or core PLT? */
+	if (location >= mod->module_core
+	    && location < mod->module_core + mod->arch.core_plt_offset)
+		entry = mod->module_core + mod->arch.core_plt_offset;
+	else
+		entry = mod->module_init + mod->arch.init_plt_offset;
+
+	/* Find this entry, or if that fails, the next avail. entry */
+	while (entry->tramp[0])
+		if (entry->tramp[0] == tramp[0] && entry->tramp[1] == tramp[1])
+			return (uint32_t)entry;
+		else
+			entry++;
+
+	entry->tramp[0] = tramp[0];
+	entry->tramp[1] = tramp[1];
+
+	return (uint32_t)entry;
+}
+
+int apply_relocate_add (Elf32_Shdr *sechdrs, const char *strtab,
+			unsigned int symindex, unsigned int relsec,
+			struct module *mod)
+{
+	unsigned int i;
+	Elf32_Rela *rela = (void *)sechdrs[relsec].sh_offset;
+
+	DEBUGP ("Applying relocate section %u to %u\n", relsec,
+		sechdrs[relsec].sh_info);
+
+	for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
+		/* This is where to make the change */
+		uint32_t *loc
+			= ((void *)sechdrs[sechdrs[relsec].sh_info].sh_offset
+			   + rela[i].r_offset);
+		/* This is the symbol it is referring to */
+		Elf32_Sym *sym
+			= ((Elf32_Sym *)sechdrs[symindex].sh_offset
+			   + ELF32_R_SYM (rela[i].r_info));
+		uint32_t val = sym->st_value;
+
+		if (! val) {
+			printk (KERN_WARNING "%s: Unknown symbol %s\n",
+				mod->name, strtab + sym->st_name);
+			return -ENOENT;
+		}
+
+		val += rela[i].r_addend;
+
+		switch (ELF32_R_TYPE (rela[i].r_info)) {
+		case R_V850_32:
+			/* We write two shorts instead of a long because even
+			   32-bit insns only need half-word alignment, but
+			   32-bit data writes need to be long-word aligned.  */
+			val += ((uint16_t *)loc)[0];
+			val += ((uint16_t *)loc)[1] << 16;
+			((uint16_t *)loc)[0] = val & 0xffff;
+			((uint16_t *)loc)[1] = (val >> 16) & 0xffff;
+			break;
+
+		case R_V850_22_PCREL:
+			/* Maybe jump indirectly via a PLT table entry.  */
+			if ((int32_t)(val - (uint32_t)loc) > 0x1fffff
+			    || (int32_t)(val - (uint32_t)loc) < -0x200000)
+				val = do_plt_call (loc, val, mod);
+
+			val -= (uint32_t)loc;
+
+			/* We write two shorts instead of a long because
+			   even 32-bit insns only need half-word alignment,
+			   but 32-bit data writes need to be long-word
+			   aligned.  */
+			((uint16_t *)loc)[0] =
+				(*(uint16_t *)loc & 0xffc0) /* opcode + reg */
+				| ((val >> 16) & 0xffc03f); /* offs high */
+			((uint16_t *)loc)[1] =
+				(val & 0xffff);		    /* offs low */
+			break;
+
+		default:
+			printk (KERN_ERR "module %s: Unknown reloc: %u\n",
+				mod->name, ELF32_R_TYPE (rela[i].r_info));
+			return -ENOEXEC;
+		}
+	}
+
+	return 0;
+}

arch/v850/kernel/nb85e_intc.c

@@ -33,7 +33,7 @@ void __init nb85e_intc_init_irq_types (struct nb85e_intc_irq_init *inits,
 {
 	struct nb85e_intc_irq_init *init;
 	for (init = inits; init->name; init++) {
-		int i;
+		unsigned i;
 		struct hw_interrupt_type *hwit = hw_irq_types++;
 
 		hwit->typename = init->name;

arch/v850/kernel/nb85e_utils.c

@@ -2,8 +2,8 @@
  * include/asm-v850/nb85e_utils.h -- Utility functions associated with
  *	the NB85E cpu core
  *
- *  Copyright (C) 2001  NEC Corporation
- *  Copyright (C) 2001  Miles Bader <miles@gnu.org>
+ *  Copyright (C) 2001,02  NEC Corporation
+ *  Copyright (C) 2001,02  Miles Bader <miles@gnu.org>
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
@@ -40,7 +40,7 @@ int calc_counter_params (unsigned long base_freq,
 	/* Find the lowest clock divider setting that can represent RATE.  */
 	for (_divlog2 = min_divlog2; _divlog2 <= max_divlog2; _divlog2++) {
 		/* Minimum interrupt rate possible using this divider.  */
-		int min_int_rate
+		unsigned min_int_rate
 			= (base_freq >> _divlog2) >> counter_size;
 
 		if (min_int_rate <= rate) {

arch/v850/kernel/process.c

@@ -58,49 +58,6 @@ void cpu_idle (void)
 	(*idle) ();
 }
 
-struct spec_reg_name {
-	const char *name;
-	int gpr;
-};
-
-struct spec_reg_name spec_reg_names[] = {
-	{ "sp", GPR_SP },
-	{ "gp", GPR_GP },
-	{ "tp", GPR_TP },
-	{ "ep", GPR_EP },
-	{ "lp", GPR_LP },
-	{ 0, 0 }
-};
-
-void show_regs (struct pt_regs *regs)
-{
-	int gpr_base, gpr_offs;
-
-	printk ("     pc 0x%08lx    psw 0x%08lx                       kernel_mode %d\n",
-		regs->pc, regs->psw, regs->kernel_mode);
-	printk ("   ctpc 0x%08lx  ctpsw 0x%08lx   ctbp 0x%08lx\n",
-		regs->ctpc, regs->ctpsw, regs->ctbp);
-
-	for (gpr_base = 0; gpr_base < NUM_GPRS; gpr_base += 4) {
-		for (gpr_offs = 0; gpr_offs < 4; gpr_offs++) {
-			int gpr = gpr_base + gpr_offs;
-			long val = regs->gpr[gpr];
-			struct spec_reg_name *srn;
-
-			for (srn = spec_reg_names; srn->name; srn++)
-				if (srn->gpr == gpr)
-					break;
-
-			if (srn->name)
-				printk ("%7s 0x%08lx", srn->name, val);
-			else
-				printk ("    r%02d 0x%08lx", gpr, val);
-		}
-
-		printk ("\n");
-	}
-}
-
 /*
  * This is the mechanism for creating a new kernel thread.
  *
@@ -231,7 +188,7 @@ int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs)
    are in entry.S).  */
 int fork_common (int flags, unsigned long new_sp, struct pt_regs *regs)
 {
-	struct task_struct *p = do_fork (flags, new_sp, regs, 0, 0);
+	struct task_struct *p = do_fork (flags, new_sp, regs, 0, 0, 0);
 	return IS_ERR (p) ? PTR_ERR (p) : p->pid;
 }
 

arch/v850/kernel/rte_cb.c

@@ -60,25 +60,11 @@ void __init mach_early_init (void)
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO
-		"CPU: %s\n"
-		"Platform: %s%s\n",
-		CPU_MODEL_LONG,
-		PLATFORM_LONG,
-#ifdef CONFIG_ROM_KERNEL
-		""
-#elif defined (CONFIG_RTE_CB_MULTI)
-		" (with Multi ROM monitor)"
-#else
-		" (with ROM monitor)"
-#endif		
-		);
-
 	/* Probe for Mother-A, and print a message if we find it.  */
-	*(volatile long *)MB_A_SRAM_ADDR = 0xDEADBEEF;
-	if (*(volatile long *)MB_A_SRAM_ADDR == 0xDEADBEEF) {
-		*(volatile long *)MB_A_SRAM_ADDR = 0x12345678;
-		if (*(volatile long *)MB_A_SRAM_ADDR == 0x12345678)
+	*(volatile unsigned long *)MB_A_SRAM_ADDR = 0xDEADBEEF;
+	if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0xDEADBEEF) {
+		*(volatile unsigned long *)MB_A_SRAM_ADDR = 0x12345678;
+		if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0x12345678)
 			printk (KERN_INFO
 				"          NEC SolutionGear/Midas lab"
 				" RTE-MOTHER-A motherboard\n");

arch/v850/kernel/rte_cb_leds.c

@@ -109,10 +109,12 @@ static loff_t leds_dev_lseek (struct file *file, loff_t offs, int whence)
 	else if (whence == 2)
 		offs += LED_NUM_DIGITS; /* end-relative */
 
-	if (offs >= 0 && offs <= LED_NUM_DIGITS)
-		file->f_pos = offs;
-	else
+	if (offs < 0 || offs > LED_NUM_DIGITS)
 		return -EINVAL;
+
+	file->f_pos = offs;
+
+	return 0;
 }
 
 static struct file_operations leds_fops = {

arch/v850/kernel/rte_mb_a_pci.c

@@ -239,7 +239,7 @@ static void __devinit pcibios_assign_resources (void)
 	struct resource *r;
 
 	pci_for_each_dev (dev) {
-		int di_num;
+		unsigned di_num;
 		unsigned class = dev->class >> 8;
 
 		if (class && class != PCI_CLASS_BRIDGE_HOST) {

arch/v850/kernel/setup.c

@@ -78,6 +78,9 @@ void __init setup_arch (char **cmdline)
 	/* ... and tell the kernel about it.  */
 	init_mem_alloc (ram_start, ram_len);
 
+	printk (KERN_INFO "CPU: %s\nPlatform: %s\n",
+		CPU_MODEL_LONG, PLATFORM_LONG);
+
 	/* do machine-specific setups.  */
 	mach_setup (cmdline);
 
@@ -267,6 +270,16 @@ init_mem_alloc (unsigned long ram_start, unsigned long ram_len)
 	zones_size[ZONE_DMA]
 		= ADDR_TO_PAGE (ram_len + (ram_start - PAGE_OFFSET));
 
+	/* The allocator is very picky about the address of the first
+	   allocatable page -- it must be at least as aligned as the
+	   maximum allocation -- so try to detect cases where it will get
+	   confused and signal them at compile time (this is a common
+	   problem when porting to a new platform with ).  There is a
+	   similar runtime check in free_area_init_core.  */
+#if ((PAGE_OFFSET >> PAGE_SHIFT) & ((1UL << (MAX_ORDER - 1)) - 1))
+#error MAX_ORDER is too large for given PAGE_OFFSET (use CONFIG_FORCE_MAX_ZONEORDER to change it)
+#endif
+
 	free_area_init_node (0, NODE_DATA(0), 0, zones_size,
 			     ADDR_TO_PAGE (PAGE_OFFSET), 0);
 	mem_map = NODE_DATA(0)->node_mem_map;

arch/v850/kernel/signal.c

@@ -512,9 +512,10 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	/* Did we come from a system call? */
 	if (PT_REGS_SYSCALL (regs)) {
 		/* Restart the system call - no handlers present */
-		if (regs->gpr[GPR_RVAL] == -ERESTARTNOHAND ||
-		    regs->gpr[GPR_RVAL] == -ERESTARTSYS ||
-		    regs->gpr[GPR_RVAL] == -ERESTARTNOINTR) {
+		if (regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTNOHAND ||
+		    regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTSYS ||
+		    regs->gpr[GPR_RVAL] == (v850_reg_t)-ERESTARTNOINTR)
+		{
 			regs->gpr[12] = PT_REGS_SYSCALL (regs);
 			regs->pc -= 4; /* Size of `trap 0' insn.  */
 		}

arch/v850/kernel/sim.c

@@ -42,8 +42,6 @@ void __init mach_setup (char **cmdline)
 	const char *err;
 	unsigned long root_dev_addr, root_dev_len;
 
-	printk (KERN_INFO "CPU: NEC V850E (GDB simulator)\n");
-
 	simcons_setup ();
 
 	printk (KERN_INFO "Reading root filesystem: %s", ROOT_FS);

arch/v850/kernel/sim85e2c.c

@@ -79,8 +79,6 @@ void __init mach_early_init (void)
 
 void __init mach_setup (char **cmdline)
 {
-	printk (KERN_INFO "CPU: NEC V850E2 (sim85e2c simulator)\n");
-
 	memcons_setup ();
 }
 

arch/v850/kernel/simcons.c

@@ -154,5 +154,5 @@ void simcons_setup (void)
 {
 	V850_SIM_SYSCALL (make_raw, 0);
 	register_console (&simcons);
-	printk (KERN_INFO "Console: GDB/v850e simulator stdio\n");
+	printk (KERN_INFO "Console: GDB V850E simulator stdio\n");
 }

arch/v850/kernel/v850_ksyms.c

@@ -27,6 +27,9 @@ EXPORT_SYMBOL (trap_table);
 extern void dump_thread (struct pt_regs *, struct user *);
 EXPORT_SYMBOL (dump_thread);
 EXPORT_SYMBOL (kernel_thread);
+EXPORT_SYMBOL (enable_irq);
+EXPORT_SYMBOL (disable_irq);
+EXPORT_SYMBOL (disable_irq_nosync);
 EXPORT_SYMBOL (__bug);
 
 /* Networking helper routines. */
@@ -46,7 +49,6 @@ EXPORT_SYMBOL_NOVERS (strchr);
 EXPORT_SYMBOL_NOVERS (strlen);
 EXPORT_SYMBOL_NOVERS (strnlen);
 EXPORT_SYMBOL_NOVERS (strpbrk);
-EXPORT_SYMBOL_NOVERS (strtok);
 EXPORT_SYMBOL_NOVERS (strrchr);
 EXPORT_SYMBOL_NOVERS (strstr);
 EXPORT_SYMBOL_NOVERS (memset);

arch/v850/rte_ma1_cb-ksram.ld

@@ -93,6 +93,11 @@ SECTIONS {
 			*(.initcall7.init)
 		. = ALIGN (4) ;
 		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
 	} > SRAM
 
 	/* This provides address at which the interrupt vectors are

arch/v850/rte_ma1_cb-rom.ld

@@ -45,9 +45,14 @@ SECTIONS {
 		___stop___ksymtab = . ;
 		. = ALIGN (4) ;
 		__etext = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
 	} > ROM
 
-	__data_load_start = . ;
+	__rom_copy_src_start = . ;
 
 	.data : {
 	        __kram_start = . ;

arch/v850/rte_ma1_cb.ld

@@ -98,10 +98,15 @@ SECTIONS {
 			*(.initcall7.init)
 		. = ALIGN (4) ;
 		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
 	} > SDRAM
 
-	/* This provides address at which the interrupt vectors are
-	   initially loaded by the loader.  */
+	/* The address at which the interrupt vectors are initially
+	   loaded by the loader.  */
 	__intv_load_start = ALIGN (0x10) ;
 
 	/* Interrupt vector space.  Because we're using the monitor

arch/v850/sim.ld

@@ -96,6 +96,12 @@ SECTIONS {
 			*(.initcall7.init)
 		. = ALIGN (4) ;
 		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
+
 		__init_end = . ;
 
 		__kram_end = . ;

arch/v850/sim85e2c.ld

@@ -86,6 +86,12 @@ SECTIONS {
 			*(.initcall7.init)
 		. = ALIGN (4) ;
 		___initcall_end = . ;
+
+		. = ALIGN (4) ;
+		___initramfs_start = . ;
+			*(.init.ramfs)
+		___initramfs_end = . ;
+
 		__init_end = . ;
 	} > IRAM
 

arch/v850/vmlinux.lds.S

@@ -20,6 +20,10 @@
 # endif
 #endif
 
+#ifdef CONFIG_V850E_AS85EP1
+# include "as85ep1.ld"
+#endif
+
 #ifdef CONFIG_RTE_CB_MA1
 # ifdef CONFIG_ROM_KERNEL
 #  include "rte_ma1_cb-rom.ld"

drivers/acorn/char/Makefile

@@ -2,7 +2,6 @@
 # Makefile for the acorn character device drivers.
 #
 
-# All the objects that export symbols.
 obj-arc		:= keyb_arc.o defkeymap-acorn.o
 
 obj-$(CONFIG_ARCH_ACORN)	+= i2c.o pcf8583.o

drivers/acorn/scsi/acornscsi.c

@@ -137,10 +137,10 @@
 #include <linux/signal.h>
 #include <linux/errno.h>
 #include <linux/proc_fs.h>
-#include <linux/stat.h>
 #include <linux/ioport.h>
 #include <linux/blk.h>
 #include <linux/delay.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/bitops.h>

drivers/acorn/scsi/arxescsi.h

-/*
- * ARXE SCSI card driver
- *
- * Copyright (C) 1997-2000 Russell King
- *
- * Changes to support ARXE 16-bit SCSI card by Stefan Hanske
- */
-#ifndef ARXE_SCSI_H
-#define ARXE_SCSI_H
-
-#define MANU_ARXE 	0x0041
-#define PROD_ARXE_SCSI	0x00be
-
-extern int arxescsi_detect (Scsi_Host_Template *);
-extern int arxescsi_release (struct Scsi_Host *);
-extern const char *arxescsi_info (struct Scsi_Host *);
-extern int arxescsi_proc_info (char *buffer, char **start, off_t offset,
-				int length, int hostno, int inout);
-
-#ifndef NULL
-#define NULL ((void *)0)
-#endif
-
-#ifndef CAN_QUEUE
-/*
- * Default queue size
- */
-#define CAN_QUEUE	1
-#endif
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN	1
-#endif
-
-#ifndef SCSI_ID
-/*
- * Default SCSI host ID
- */
-#define SCSI_ID		7
-#endif
-
-#include <scsi/scsicam.h>
-
-#include "fas216.h"
-
-#define ARXEScsi {					\
-proc_info:			arxescsi_proc_info,	\
-name:				"ARXE SCSI card",	\
-detect:				arxescsi_detect,	\
-release:			arxescsi_release,	\
-info:				arxescsi_info,		\
-can_queue:			CAN_QUEUE,		\
-this_id:			SCSI_ID,		\
-sg_tablesize:			SG_ALL,			\
-cmd_per_lun:			CMD_PER_LUN,		\
-use_clustering:			DISABLE_CLUSTERING,	\
-command:			fas216_command,		\
-queuecommand:			fas216_queue_command,	\
-eh_host_reset_handler:		fas216_eh_host_reset,	\
-eh_bus_reset_handler:		fas216_eh_bus_reset,	\
-eh_device_reset_handler:	fas216_eh_device_reset,	\
-eh_abort_handler:		fas216_eh_abort,	\
-	}
-
-#ifndef HOSTS_C
-
-typedef struct {
-    FAS216_Info info;
-
-    /* other info... */
-    unsigned int	cstatus;	/* card status register	*/
-    unsigned int	dmaarea;	/* Pseudo DMA area	*/
-} ARXEScsi_Info;
-
-#define CSTATUS_IRQ	(1 << 0)
-#define CSTATUS_DRQ	(1 << 0)
-
-#endif /* HOSTS_C */
-
-#endif /* ARXE_SCSI_H */

drivers/acorn/scsi/cumana_2.c

@@ -23,10 +23,8 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <linux/unistd.h>
-#include <linux/stat.h>
 #include <linux/delay.h>
-#include <linux/pci.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/dma.h>

drivers/acorn/scsi/eesox.c

@@ -29,10 +29,8 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <linux/unistd.h>
-#include <linux/stat.h>
 #include <linux/delay.h>
-#include <linux/pci.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/io.h>

drivers/acorn/scsi/fas216.c

@@ -44,8 +44,6 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <linux/unistd.h>
-#include <linux/stat.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 

drivers/acorn/scsi/powertec.c

@@ -14,10 +14,8 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <linux/unistd.h>
-#include <linux/stat.h>
 #include <linux/delay.h>
-#include <linux/pci.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/dma.h>

drivers/acpi/ac.c

@@ -29,6 +29,7 @@
 #include <linux/types.h>
 #include <linux/compatmac.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include "acpi_bus.h"
 #include "acpi_drivers.h"
 
@@ -53,6 +54,7 @@ MODULE_LICENSE("GPL");
 
 int acpi_ac_add (struct acpi_device *device);
 int acpi_ac_remove (struct acpi_device *device, int type);
+static int acpi_ac_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_ac_driver = {
 	.name =		ACPI_AC_DRIVER_NAME,
@@ -69,6 +71,12 @@ struct acpi_ac {
 	unsigned long		state;
 };
 
+static struct file_operations acpi_ac_fops = {
+	.open		= acpi_ac_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 /* --------------------------------------------------------------------------
                                AC Adapter Management
@@ -103,53 +111,40 @@ acpi_ac_get_state (
 
 struct proc_dir_entry		*acpi_ac_dir = NULL;
 
-static int
-acpi_ac_read_state (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+int acpi_ac_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_ac		*ac = (struct acpi_ac *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_ac		*ac = (struct acpi_ac *) seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_ac_read_state");
+	ACPI_FUNCTION_TRACE("acpi_ac_seq_show");
 
-	if (!ac || (off != 0))
-		goto end;
+	if (!ac)
+		return 0;
 
 	if (acpi_ac_get_state(ac)) {
-		p += sprintf(p, "ERROR: Unable to read AC Adapter state\n");
-		goto end;
+		seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
+		return 0;
 	}
 
-	p += sprintf(p, "state:                   ");
+	seq_puts(seq, "state:                   ");
 	switch (ac->state) {
 	case ACPI_AC_STATUS_OFFLINE:
-		p += sprintf(p, "off-line\n");
+		seq_puts(seq, "off-line\n");
 		break;
 	case ACPI_AC_STATUS_ONLINE:
-		p += sprintf(p, "on-line\n");
+		seq_puts(seq, "on-line\n");
 		break;
 	default:
-		p += sprintf(p, "unknown\n");
+		seq_puts(seq, "unknown\n");
 		break;
 	}
 
-end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 	
+static int acpi_ac_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_ac_seq_show, PDE(inode)->data);
+}
 
 static int
 acpi_ac_add_fs (
@@ -174,7 +169,7 @@ acpi_ac_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_AC_FILE_STATE));
 	else {
-		entry->read_proc = acpi_ac_read_state;
+		entry->proc_fops = &acpi_ac_fops;
 		entry->data = acpi_driver_data(device);
 	}
 

drivers/acpi/button.c

@@ -29,6 +29,7 @@
 #include <linux/types.h>
 #include <linux/compatmac.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include "acpi_bus.h"
 #include "acpi_drivers.h"
 
@@ -69,6 +70,7 @@ MODULE_LICENSE("GPL");
 
 int acpi_button_add (struct acpi_device *device);
 int acpi_button_remove (struct acpi_device *device, int type);
+static int acpi_button_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_button_driver = {
 	.name =		ACPI_BUTTON_DRIVER_NAME,
@@ -87,6 +89,12 @@ struct acpi_button {
 	unsigned long		pushed;
 };
 
+static struct file_operations acpi_button_fops = {
+	.open		= acpi_button_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
@@ -94,38 +102,25 @@ struct acpi_button {
 
 static struct proc_dir_entry	*acpi_button_dir = NULL;
 
-static int
-acpi_button_read_info (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_button_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_button	*button = (struct acpi_button *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_button	*button = (struct acpi_button *) seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_button_read_info");
+	ACPI_FUNCTION_TRACE("acpi_button_seq_show");
 
 	if (!button || !button->device)
-		goto end;
+		return 0;
 
-	p += sprintf(p, "type:                    %s\n", 
+	seq_printf(seq, "type:                    %s\n", 
 		acpi_device_name(button->device));
 
-end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_button_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_button_seq_show, PDE(inode)->data);
+}
 	
 static int
 acpi_button_add_fs (
@@ -170,7 +165,7 @@ acpi_button_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_BUTTON_FILE_INFO));
 	else {
-		entry->read_proc = acpi_button_read_info;
+		entry->proc_fops = &acpi_button_fops;
 		entry->data = acpi_driver_data(device);
 	}
 

drivers/acpi/dispatcher/dsmthdat.c

 /*******************************************************************************
  *
  * Module Name: dsmthdat - control method arguments and local variables
- *              $Revision: 64 $
+ *              $Revision: 66 $
  *
  ******************************************************************************/
 
@@ -28,6 +28,7 @@
 #include "acdispat.h"
 #include "amlcode.h"
 #include "acnamesp.h"
+#include "acinterp.h"
 
 
 #define _COMPONENT          ACPI_DISPATCHER
@@ -274,6 +275,7 @@ acpi_ds_method_data_get_node (
  * RETURN:      Status
  *
  * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
+ *              Note: There is no "implicit conversion" for locals.
  *
  ******************************************************************************/
 
@@ -286,11 +288,17 @@ acpi_ds_method_data_set_value (
 {
 	acpi_status             status;
 	acpi_namespace_node     *node;
+	acpi_operand_object     *new_desc = object;
 
 
 	ACPI_FUNCTION_TRACE ("Ds_method_data_set_value");
 
 
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+		"obj %p op %X, ref count = %d [%s]\n", object,
+		opcode, object->common.reference_count,
+		acpi_ut_get_type_name (object->common.type)));
+
 	/* Get the namespace node for the arg/local */
 
 	status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
@@ -298,14 +306,30 @@ acpi_ds_method_data_set_value (
 		return_ACPI_STATUS (status);
 	}
 
+	/*
+	 * If the object has just been created and is not attached to anything,
+	 * (the reference count is 1), then we can just store it directly into
+	 * the arg/local.  Otherwise, we must copy it.
+	 */
+	if (object->common.reference_count > 1) {
+		status = acpi_ut_copy_iobject_to_iobject (object, &new_desc, walk_state);
+		if (ACPI_FAILURE (status)) {
+			return_ACPI_STATUS (status);
+		}
+
+	   ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object Copied %p, new %p\n",
+		   object, new_desc));
+	}
+	else {
 		/* Increment ref count so object can't be deleted while installed */
 
-	acpi_ut_add_reference (object);
+		acpi_ut_add_reference (new_desc);
+	}
 
-	/* Install the object into the stack entry */
+	/* Install the object */
 
-	node->object = object;
-	return_ACPI_STATUS (AE_OK);
+	node->object = new_desc;
+	return_ACPI_STATUS (status);
 }
 
 
@@ -560,7 +584,8 @@ acpi_ds_store_object_to_local (
 
 	current_obj_desc = acpi_ns_get_attached_object (node);
 	if (current_obj_desc == obj_desc) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n", obj_desc));
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n",
+			obj_desc));
 		return_ACPI_STATUS (status);
 	}
 
@@ -609,16 +634,12 @@ acpi_ds_store_object_to_local (
 					"Arg (%p) is an Obj_ref(Node), storing in node %p\n",
 					obj_desc, current_obj_desc));
 
-				/* Detach an existing object from the referenced Node */
-
-				acpi_ns_detach_object (current_obj_desc->reference.object);
-
 				/*
-				 * Store this object into the Node
+				 * Store this object to the Node
 				 * (perform the indirect store)
 				 */
-				status = acpi_ns_attach_object (current_obj_desc->reference.object,
-						  obj_desc, ACPI_GET_OBJECT_TYPE (obj_desc));
+				status = acpi_ex_store_object_to_node (obj_desc,
+						 current_obj_desc->reference.object, walk_state);
 				return_ACPI_STATUS (status);
 			}
 		}

drivers/acpi/events/evevent.c

 /******************************************************************************
  *
  * Module Name: evevent - Fixed and General Purpose Even handling and dispatch
- *              $Revision: 96 $
+ *              $Revision: 99 $
  *
  *****************************************************************************/
 
@@ -331,11 +331,8 @@ acpi_ev_gpe_initialize (void)
 	 *  FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
 	 *  to be the same size."
 	 */
-	acpi_gbl_gpe_block_info[0].address_space_id = acpi_gbl_FADT->Xgpe0_blk.address_space_id;
-	acpi_gbl_gpe_block_info[1].address_space_id = acpi_gbl_FADT->Xgpe1_blk.address_space_id;
-
-	acpi_gbl_gpe_block_info[0].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe0_blk.register_bit_width);
-	acpi_gbl_gpe_block_info[1].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe1_blk.register_bit_width);
+	acpi_gbl_gpe_block_info[0].register_count = 0;
+	acpi_gbl_gpe_block_info[1].register_count = 0;
 
 	acpi_gbl_gpe_block_info[0].block_address = &acpi_gbl_FADT->Xgpe0_blk;
 	acpi_gbl_gpe_block_info[1].block_address = &acpi_gbl_FADT->Xgpe1_blk;
@@ -343,28 +340,25 @@ acpi_ev_gpe_initialize (void)
 	acpi_gbl_gpe_block_info[0].block_base_number = 0;
 	acpi_gbl_gpe_block_info[1].block_base_number = acpi_gbl_FADT->gpe1_base;
 
-	/* Warn and exit if there are no GPE registers */
-
-	acpi_gbl_gpe_register_count = acpi_gbl_gpe_block_info[0].register_count +
-			 acpi_gbl_gpe_block_info[1].register_count;
-	if (!acpi_gbl_gpe_register_count) {
-		ACPI_REPORT_WARNING (("There are no GPE blocks defined in the FADT\n"));
-		return_ACPI_STATUS (AE_OK);
-	}
 
 	/*
 	 * Determine the maximum GPE number for this machine.
 	 * Note: both GPE0 and GPE1 are optional, and either can exist without
-	 * the other
+	 * the other.
+	 * If EITHER the register length OR the block address are zero, then that
+	 * particular block is not supported.
 	 */
-	if (acpi_gbl_gpe_block_info[0].register_count) {
-		/* GPE block 0 exists */
+	if (acpi_gbl_FADT->Xgpe0_blk.register_bit_width && ACPI_GET_ADDRESS (acpi_gbl_FADT->Xgpe0_blk.address)) {
+		/* GPE block 0 exists (has length and address > 0) */
 
+		acpi_gbl_gpe_block_info[0].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe0_blk.register_bit_width);
 		acpi_gbl_gpe_number_max                 = ACPI_MUL_8 (acpi_gbl_gpe_block_info[0].register_count) - 1;
 	}
 
-	if (acpi_gbl_gpe_block_info[1].register_count) {
-		/* GPE block 1 exists */
+	if (acpi_gbl_FADT->Xgpe1_blk.register_bit_width && ACPI_GET_ADDRESS (acpi_gbl_FADT->Xgpe1_blk.address)) {
+		/* GPE block 1 exists (has length and address > 0) */
+
+		acpi_gbl_gpe_block_info[1].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe1_blk.register_bit_width);
 
 		/* Check for GPE0/GPE1 overlap (if both banks exist) */
 
@@ -385,6 +379,15 @@ acpi_ev_gpe_initialize (void)
 				 (ACPI_MUL_8 (acpi_gbl_gpe_block_info[1].register_count) - 1);
 	}
 
+	/* Warn and exit if there are no GPE registers */
+
+	acpi_gbl_gpe_register_count = acpi_gbl_gpe_block_info[0].register_count +
+			 acpi_gbl_gpe_block_info[1].register_count;
+	if (!acpi_gbl_gpe_register_count) {
+		ACPI_REPORT_WARNING (("There are no GPE blocks defined in the FADT\n"));
+		return_ACPI_STATUS (AE_OK);
+	}
+
 	/* Check for Max GPE number out-of-range */
 
 	if (acpi_gbl_gpe_number_max > ACPI_GPE_MAX) {
@@ -460,8 +463,8 @@ acpi_ev_gpe_initialize (void)
 							  + i
 							  + acpi_gbl_gpe_block_info[gpe_block].register_count));
 
-			gpe_register_info->status_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].address_space_id;
-			gpe_register_info->enable_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].address_space_id;
+			gpe_register_info->status_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
+			gpe_register_info->enable_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
 			gpe_register_info->status_address.register_bit_width = 8;
 			gpe_register_info->enable_address.register_bit_width = 8;
 			gpe_register_info->status_address.register_bit_offset = 8;
@@ -615,7 +618,7 @@ acpi_ev_save_method_info (
 	 * for use during dispatch of this GPE.
 	 */
 	acpi_gbl_gpe_number_info [gpe_number_index].type  = type;
-	acpi_gbl_gpe_number_info [gpe_number_index].method_handle = obj_handle;
+	acpi_gbl_gpe_number_info [gpe_number_index].method_node = (acpi_namespace_node *) obj_handle;
 
 	/*
 	 * Enable the GPE (SCIs should be disabled at this point)
@@ -625,7 +628,7 @@ acpi_ev_save_method_info (
 		return (status);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %X\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n",
 		name, gpe_number));
 	return (AE_OK);
 }
@@ -805,15 +808,16 @@ acpi_ev_asynch_execute_gpe_method (
 		return_VOID;
 	}
 
-	if (gpe_info.method_handle) {
+	if (gpe_info.method_node) {
 		/*
 		 * Invoke the GPE Method (_Lxx, _Exx):
 		 * (Evaluate the _Lxx/_Exx control method that corresponds to this GPE.)
 		 */
-		status = acpi_ns_evaluate_by_handle (gpe_info.method_handle, NULL, NULL);
+		status = acpi_ns_evaluate_by_handle (gpe_info.method_node, NULL, NULL);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("%s while evaluating GPE%X method\n",
-				acpi_format_exception (status), gpe_number));
+			ACPI_REPORT_ERROR (("%s while evaluating method [%4.4s] for GPE[%2.2X]\n",
+				acpi_format_exception (status),
+				gpe_info.method_node->name.ascii, gpe_number));
 		}
 	}
 
@@ -881,7 +885,7 @@ acpi_ev_gpe_dispatch (
 	if (gpe_info->type & ACPI_EVENT_EDGE_TRIGGERED) {
 		status = acpi_hw_clear_gpe (gpe_number);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%X]\n", gpe_number));
+			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
 			return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
 		}
 	}
@@ -898,14 +902,14 @@ acpi_ev_gpe_dispatch (
 
 		gpe_info->handler (gpe_info->context);
 	}
-	else if (gpe_info->method_handle) {
+	else if (gpe_info->method_node) {
 		/*
 		 * Disable GPE, so it doesn't keep firing before the method has a
 		 * chance to run.
 		 */
 		status = acpi_hw_disable_gpe (gpe_number);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%X]\n", gpe_number));
+			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
 			return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
 		}
 
@@ -915,13 +919,13 @@ acpi_ev_gpe_dispatch (
 		if (ACPI_FAILURE (acpi_os_queue_for_execution (OSD_PRIORITY_GPE,
 				 acpi_ev_asynch_execute_gpe_method,
 				 ACPI_TO_POINTER (gpe_number)))) {
-			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%X], event is disabled\n", gpe_number));
+			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%2.2X], event is disabled\n", gpe_number));
 		}
 	}
 	else {
 		/* No handler or method to run! */
 
-		ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: No handler or method for GPE[%X], disabling event\n", gpe_number));
+		ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: No handler or method for GPE[%2.2X], disabling event\n", gpe_number));
 
 		/*
 		 * Disable the GPE.  The GPE will remain disabled until the ACPI
@@ -929,7 +933,7 @@ acpi_ev_gpe_dispatch (
 		 */
 		status = acpi_hw_disable_gpe (gpe_number);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%X]\n", gpe_number));
+			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
 			return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
 		}
 	}
@@ -940,7 +944,7 @@ acpi_ev_gpe_dispatch (
 	if (gpe_info->type & ACPI_EVENT_LEVEL_TRIGGERED) {
 		status = acpi_hw_clear_gpe (gpe_number);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%X]\n", gpe_number));
+			ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
 			return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
 		}
 	}

drivers/acpi/events/evrgnini.c

 /******************************************************************************
  *
  * Module Name: evrgnini- ACPI Address_space (Op_region) init
- *              $Revision: 63 $
+ *              $Revision: 64 $
  *
  *****************************************************************************/
 
@@ -269,6 +269,11 @@ acpi_ev_pci_config_region_setup (
 		pci_id->bus = ACPI_LOWORD (temp);
 	}
 
+	/*
+	 * Complete this device's Pci_id
+	 */
+	acpi_os_derive_pci_id (node, region_obj->region.node, &pci_id);
+
 	*region_context = pci_id;
 	return_ACPI_STATUS (AE_OK);
 }

drivers/acpi/include/acconfig.h

 /******************************************************************************
  *
  * Name: acconfig.h - Global configuration constants
- *       $Revision: 118 $
+ *       $Revision: 119 $
  *
  *****************************************************************************/
 
@@ -54,7 +54,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20021115
+#define ACPI_CA_VERSION                 0x20021122
 
 /* Version of ACPI supported */
 

drivers/acpi/include/aclocal.h

 /******************************************************************************
  *
  * Name: aclocal.h - Internal data types used across the ACPI subsystem
- *       $Revision: 179 $
+ *       $Revision: 181 $
  *
  *****************************************************************************/
 
@@ -301,7 +301,6 @@ typedef struct
 
 typedef struct
 {
-	u8                      address_space_id;
 	acpi_generic_address    *block_address;
 	u16                     register_count;
 	u8                      block_base_number;
@@ -330,7 +329,7 @@ typedef struct
 
 typedef struct
 {
-	acpi_handle             method_handle;  /* Method handle for direct (fast) execution */
+	acpi_namespace_node     *method_node;   /* Method node for this GPE level */
 	acpi_gpe_handler        handler;        /* Address of handler, if any */
 	void                    *context;       /* Context to be passed to handler */
 	u8                      type;           /* Level or Edge */

drivers/acpi/include/acpiosxf.h

@@ -246,6 +246,14 @@ acpi_os_write_pci_configuration (
 	acpi_integer            value,
 	u32                     width);
 
+/*
+ * Interim function needed for PCI IRQ routing
+ */
+void
+acpi_os_derive_pci_id(
+	acpi_handle	            rhandle,
+	acpi_handle             chandle,
+	acpi_pci_id	            **pci_id);
 
 /*
  * Miscellaneous

drivers/acpi/osl.c

@@ -36,6 +36,7 @@
 #include <linux/delay.h>
 #include <linux/workqueue.h>
 #include <asm/io.h>
+#include "acpi_bus.h"
 #include "acpi.h"
 
 #ifdef CONFIG_ACPI_EFI
@@ -483,6 +484,44 @@ acpi_os_write_pci_configuration (
 	return (result ? AE_ERROR : AE_OK);
 }
 
+/* TODO: Rewrite this code!!! */
+void
+acpi_os_derive_pci_id (
+	acpi_handle     rhandle,        /* upper bound  */
+	acpi_handle     chandle,        /* current node */
+	acpi_pci_id     **id)
+{
+	acpi_handle     handle;
+	acpi_pci_id     *pci_id = *id;
+	acpi_status     status;
+	unsigned long   temp;
+	acpi_object_type type;
+	u8              tu8;
+
+	acpi_get_parent(chandle, &handle);
+	if (handle != rhandle) {
+		acpi_os_derive_pci_id(rhandle, handle, &pci_id);
+
+		status = acpi_get_type(handle, &type);
+		if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) )
+			return;
+
+		status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &temp);
+		if (ACPI_SUCCESS(status)) {
+			pci_id->device  = ACPI_HIWORD (ACPI_LODWORD (temp));
+			pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp));
+
+			/* any nicer way to get bus number of bridge ? */
+			status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8);
+			if (ACPI_SUCCESS(status) && (tu8 & 0x7f) == 1) {
+				status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8);
+				if (ACPI_SUCCESS(status))
+					pci_id->bus = tu8;
+			}
+		}
+	}
+}
+
 #else /*!CONFIG_ACPI_PCI*/
 
 acpi_status

drivers/acpi/parser/psopcode.c

 /******************************************************************************
  *
  * Module Name: psopcode - Parser/Interpreter opcode information table
- *              $Revision: 73 $
+ *              $Revision: 74 $
  *
  *****************************************************************************/
 
@@ -734,7 +734,7 @@ NATIVE_CHAR *
 acpi_ps_get_opcode_name (
 	u16                     opcode)
 {
-#ifdef ACPI_DISASSEMBLER
+#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
 
 	const acpi_opcode_info  *op;
 

drivers/acpi/power.c

@@ -29,6 +29,7 @@
 #include <linux/types.h>
 #include <linux/compatmac.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include "acpi_bus.h"
 #include "acpi_drivers.h"
 
@@ -48,6 +49,7 @@ ACPI_MODULE_NAME		("acpi_power")
 
 int acpi_power_add (struct acpi_device *device);
 int acpi_power_remove (struct acpi_device *device, int type);
+static int acpi_power_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_power_driver = {
 	.name =		ACPI_POWER_DRIVER_NAME,
@@ -71,6 +73,12 @@ struct acpi_power_resource
 
 static struct list_head		acpi_power_resource_list;
 
+static struct file_operations acpi_power_fops = {
+	.open		= acpi_power_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 /* --------------------------------------------------------------------------
                              Power Resource Management
@@ -379,58 +387,45 @@ acpi_power_transition (
 
 struct proc_dir_entry		*acpi_power_dir = NULL;
 
-
-static int
-acpi_power_read_status (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_power_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_power_resource *resource = NULL;
-	char			*p = page;
-	int			len;
 
-	ACPI_FUNCTION_TRACE("acpi_power_read_status");
+	ACPI_FUNCTION_TRACE("acpi_power_seq_show");
 
-	if (!data || (off != 0))
-		goto end;
+	resource = (struct acpi_power_resource *)seq->private;
 
-	resource = (struct acpi_power_resource *) data;
+	if (!resource)
+		goto end;
 
-	p += sprintf(p, "state:                   ");
+	seq_puts(seq, "state:                   ");
 	switch (resource->state) {
 	case ACPI_POWER_RESOURCE_STATE_ON:
-		p += sprintf(p, "on\n");
+		seq_puts(seq, "on\n");
 		break;
 	case ACPI_POWER_RESOURCE_STATE_OFF:
-		p += sprintf(p, "off\n");
+		seq_puts(seq, "off\n");
 		break;
 	default:
-		p += sprintf(p, "unknown\n");
+		seq_puts(seq, "unknown\n");
 		break;
 	}
 
-	p += sprintf(p, "system level:            S%d\n",
-		resource->system_level);
-	p += sprintf(p, "order:                   %d\n",
-		resource->order);
-	p += sprintf(p, "reference count:         %d\n",
+	seq_printf(seq, "system level:            S%d\n"
+			"order:                   %d\n"
+			"reference count:         %d\n",
+			resource->system_level,
+			resource->order,
 			resource->references);
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_power_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_power_seq_show, PDE(inode)->data);
+}
 
 static int
 acpi_power_add_fs (
@@ -458,7 +453,7 @@ acpi_power_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_POWER_FILE_STATUS));
 	else {
-		entry->read_proc = acpi_power_read_status;
+		entry->proc_fops = &acpi_power_fops;
 		entry->data = acpi_driver_data(device);
 	}
 

drivers/acpi/processor.c

@@ -40,6 +40,7 @@
 #include <asm/delay.h>
 #include <linux/compatmac.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include "acpi_bus.h"
 #include "acpi_drivers.h"
 
@@ -90,6 +91,11 @@ MODULE_LICENSE("GPL");
 
 static int acpi_processor_add (struct acpi_device *device);
 static int acpi_processor_remove (struct acpi_device *device, int type);
+static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
+static int acpi_processor_throttling_open_fs(struct inode *inode, struct file *file);
+static int acpi_processor_power_open_fs(struct inode *inode, struct file *file);
+static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file);
+
 
 static struct acpi_driver acpi_processor_driver = {
 	.name =		ACPI_PROCESSOR_DRIVER_NAME,
@@ -224,6 +230,34 @@ struct acpi_processor_errata {
 	}			piix4;
 };
 
+static struct file_operations acpi_processor_info_fops = {
+	.open 		= acpi_processor_info_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_processor_power_fops = {
+	.open 		= acpi_processor_power_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_processor_throttling_fops = {
+	.open 		= acpi_processor_throttling_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_processor_limit_fops = {
+	.open 		= acpi_processor_limit_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static struct acpi_processor	*processors[NR_CPUS];
 static struct acpi_processor_errata errata;
 static void (*pm_idle_save)(void) = NULL;
@@ -231,6 +265,13 @@ static void (*pm_idle_save)(void) = NULL;
 #ifdef CONFIG_ACPI_PROCESSOR_PERF
 static unsigned int cpufreq_usage_count = 0;
 static struct cpufreq_driver *acpi_cpufreq_driver;
+static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file);
+static struct file_operations acpi_processor_perf_fops = {
+	.open 		= acpi_processor_perf_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 #endif
 
 
@@ -1884,174 +1925,132 @@ acpi_cpufreq_exit (
 
 struct proc_dir_entry		*acpi_processor_dir = NULL;
 
-static int
-acpi_processor_read_info (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_processor	*pr = (struct acpi_processor *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_processor	*pr = (struct acpi_processor *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_processor_read_info");
+	ACPI_FUNCTION_TRACE("acpi_processor_info_seq_show");
 
-	if (!pr || (off != 0))
+	if (!pr)
 		goto end;
 
-	p += sprintf(p, "processor id:            %d\n",
-		pr->id);
-
-	p += sprintf(p, "acpi id:                 %d\n",
-		pr->acpi_id);
-
-	p += sprintf(p, "bus mastering control:   %s\n",
-		pr->flags.bm_control ? "yes" : "no");
-
-	p += sprintf(p, "power management:        %s\n",
-		pr->flags.power ? "yes" : "no");
-
-	p += sprintf(p, "throttling control:      %s\n",
-		pr->flags.throttling ? "yes" : "no");
-
-	p += sprintf(p, "performance management:  %s\n",
-		pr->flags.performance ? "yes" : "no");
-
-	p += sprintf(p, "limit interface:         %s\n",
+	seq_printf(seq, "processor id:            %d\n"
+			"acpi id:                 %d\n"
+			"bus mastering control:   %s\n"
+			"power management:        %s\n"
+			"throttling control:      %s\n"
+			"performance management:  %s\n"
+			"limit interface:         %s\n",
+			pr->id,
+			pr->acpi_id,
+			pr->flags.bm_control ? "yes" : "no",
+			pr->flags.power ? "yes" : "no",
+			pr->flags.throttling ? "yes" : "no",
+			pr->flags.performance ? "yes" : "no",
 			pr->flags.limit ? "yes" : "no");
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_info_seq_show,
+						PDE(inode)->data);
+}
 
-static int
-acpi_processor_read_power (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_processor	*pr = (struct acpi_processor *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_processor	*pr = (struct acpi_processor *)seq->private;
 	int			i = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_processor_read_power");
+	ACPI_FUNCTION_TRACE("acpi_processor_power_seq_show");
 
-	if (!pr || (off != 0))
+	if (!pr)
 		goto end;
 
-	p += sprintf(p, "active state:            C%d\n",
-		pr->power.state);
-
-	p += sprintf(p, "default state:           C%d\n",
-		pr->power.default_state);
-
-	p += sprintf(p, "bus master activity:     %08x\n",
+	seq_printf(seq, "active state:            C%d\n"
+			"default state:           C%d\n"
+			"bus master activity:     %08x\n",
+			pr->power.state,
+			pr->power.default_state,
 			pr->power.bm_activity);
 
-	p += sprintf(p, "states:\n");
-
-	for (i=1; i<ACPI_C_STATE_COUNT; i++) {
+	seq_puts(seq, "states:\n");
 
-		p += sprintf(p, "   %cC%d:                  ", 
+	for (i = 1; i < ACPI_C_STATE_COUNT; i++) {
+		seq_printf(seq, "   %cC%d:                  ", 
 			(i == pr->power.state?'*':' '), i);
 
 		if (!pr->power.states[i].valid) {
-			p += sprintf(p, "<not supported>\n");
+			seq_puts(seq, "<not supported>\n");
 			continue;
 		}
 
 		if (pr->power.states[i].promotion.state)
-			p += sprintf(p, "promotion[C%d] ",
+			seq_printf(seq, "promotion[C%d] ",
 				pr->power.states[i].promotion.state);
 		else
-			p += sprintf(p, "promotion[--] ");
+			seq_puts(seq, "promotion[--] ");
 
 		if (pr->power.states[i].demotion.state)
-			p += sprintf(p, "demotion[C%d] ",
+			seq_printf(seq, "demotion[C%d] ",
 				pr->power.states[i].demotion.state);
 		else
-			p += sprintf(p, "demotion[--] ");
+			seq_puts(seq, "demotion[--] ");
 
-		p += sprintf(p, "latency[%03d] usage[%08d]\n",
+		seq_printf(seq, "latency[%03d] usage[%08d]\n",
 			pr->power.states[i].latency,
 			pr->power.states[i].usage);
 	}
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
+}
+
+static int acpi_processor_power_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_power_seq_show,
+						PDE(inode)->data);
 }
 
 #ifdef CONFIG_ACPI_PROCESSOR_PERF
-static int
-acpi_processor_read_performance (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_processor	*pr = (struct acpi_processor *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_processor	*pr = (struct acpi_processor *)seq->private;
 	int			i = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_processor_read_performance");
+	ACPI_FUNCTION_TRACE("acpi_processor_perf_seq_show");
 
-	if (!pr || (off != 0))
+	if (!pr)
 		goto end;
 
 	if (!pr->flags.performance) {
-		p += sprintf(p, "<not supported>\n");
+		seq_puts(seq, "<not supported>\n");
 		goto end;
 	}
 
-	p += sprintf(p, "state count:             %d\n",
-		pr->performance.state_count);
-
-	p += sprintf(p, "active state:            P%d\n",
+	seq_printf(seq, "state count:             %d\n"
+			"active state:            P%d\n",
+			pr->performance.state_count,
 			pr->performance.state);
 
-	p += sprintf(p, "states:\n");
-
-	for (i=0; i<pr->performance.state_count; i++)
-		p += sprintf(p, "   %cP%d:                  %d MHz, %d mW, %d uS\n",
+	seq_puts(seq, "states:\n");
+	for (i = 0; i < pr->performance.state_count; i++)
+		seq_printf(seq, "   %cP%d:                  %d MHz, %d mW, %d uS\n",
 			(i == pr->performance.state?'*':' '), i,
 			(u32) pr->performance.states[i].core_frequency,
 			(u32) pr->performance.states[i].power,
 			(u32) pr->performance.states[i].transition_latency);
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
+}
+
+static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_perf_seq_show,
+						PDE(inode)->data);
 }
 
 static int
@@ -2091,63 +2090,49 @@ acpi_processor_write_performance (
 }
 #endif
 
-
-static int
-acpi_processor_read_throttling (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_processor_throttling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_processor	*pr = (struct acpi_processor *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_processor	*pr = (struct acpi_processor *)seq->private;
 	int			i = 0;
 	int                     result = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_processor_read_throttling");
+	ACPI_FUNCTION_TRACE("acpi_processor_throttling_seq_show");
 
-	if (!pr || (off != 0))
+	if (!pr)
 		goto end;
 
 	if (!(pr->throttling.state_count > 0)) {
-		p += sprintf(p, "<not supported>\n");
+		seq_puts(seq, "<not supported>\n");
 		goto end;
 	}
 
 	result = acpi_processor_get_throttling(pr);
 
 	if (result) {
-		p += sprintf(p, "Could not determine current throttling state.\n");
+		seq_puts(seq, "Could not determine current throttling state.\n");
 		goto end;
 	}
 
-	p += sprintf(p, "state count:             %d\n",
-		pr->throttling.state_count);
-
-	p += sprintf(p, "active state:            T%d\n",
+	seq_printf(seq, "state count:             %d\n"
+			"active state:            T%d\n",
+			pr->throttling.state_count,
 			pr->throttling.state);
 
-	p += sprintf(p, "states:\n");
-
-	for (i=0; i<pr->throttling.state_count; i++)
-		p += sprintf(p, "   %cT%d:                  %02d%%\n",
+	seq_puts(seq, "states:\n");
+	for (i = 0; i < pr->throttling.state_count; i++)
+		seq_printf(seq, "   %cT%d:                  %02d%%\n",
 			(i == pr->throttling.state?'*':' '), i,
 			(pr->throttling.states[i].performance?pr->throttling.states[i].performance/10:0));
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_processor_throttling_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_throttling_seq_show,
+						PDE(inode)->data);
+}
 
 static int
 acpi_processor_write_throttling (
@@ -2178,53 +2163,38 @@ acpi_processor_write_throttling (
 	return_VALUE(count);
 }
 
-
-static int
-acpi_processor_read_limit (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_processor	*pr = (struct acpi_processor *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_processor	*pr = (struct acpi_processor *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_processor_read_limit");
+	ACPI_FUNCTION_TRACE("acpi_processor_limit_seq_show");
 
-	if (!pr || (off != 0))
+	if (!pr)
 		goto end;
 
 	if (!pr->flags.limit) {
-		p += sprintf(p, "<not supported>\n");
+		seq_puts(seq, "<not supported>\n");
 		goto end;
 	}
 
-	p += sprintf(p, "active limit:            P%d:T%d\n",
-		pr->limit.state.px, pr->limit.state.tx);
-
-	p += sprintf(p, "platform limit:          P%d:T0\n",
-		pr->flags.performance?pr->performance.platform_limit:0);
-
-	p += sprintf(p, "user limit:              P%d:T%d\n",
-		pr->limit.user.px, pr->limit.user.tx);
-
-	p += sprintf(p, "thermal limit:           P%d:T%d\n",
+	seq_printf(seq, "active limit:            P%d:T%d\n"
+			"platform limit:          P%d:T0\n"
+			"user limit:              P%d:T%d\n"
+			"thermal limit:           P%d:T%d\n",
+			pr->limit.state.px, pr->limit.state.tx,
+			pr->flags.performance?pr->performance.platform_limit:0,
+			pr->limit.user.px, pr->limit.user.tx,
 			pr->limit.thermal.px, pr->limit.thermal.tx);
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_limit_seq_show,
+						PDE(inode)->data);
+}
 
 static int
 acpi_processor_write_limit (
@@ -2304,7 +2274,7 @@ acpi_processor_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_PROCESSOR_FILE_INFO));
 	else {
-		entry->read_proc = acpi_processor_read_info;
+		entry->proc_fops = &acpi_processor_info_fops;
 		entry->data = acpi_driver_data(device);
 	}
 
@@ -2316,7 +2286,7 @@ acpi_processor_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_PROCESSOR_FILE_POWER));
 	else {
-		entry->read_proc = acpi_processor_read_power;
+		entry->proc_fops = &acpi_processor_power_fops;
 		entry->data = acpi_driver_data(device);
 	}
 
@@ -2329,7 +2299,7 @@ acpi_processor_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_PROCESSOR_FILE_PERFORMANCE));
 	else {
-		entry->read_proc = acpi_processor_read_performance;
+		entry->proc_fops = &acpi_processor_perf_fops;
 		entry->write_proc = acpi_processor_write_performance;
 		entry->data = acpi_driver_data(device);
 	}
@@ -2343,7 +2313,7 @@ acpi_processor_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_PROCESSOR_FILE_THROTTLING));
 	else {
-		entry->read_proc = acpi_processor_read_throttling;
+		entry->proc_fops = &acpi_processor_throttling_fops;
 		entry->write_proc = acpi_processor_write_throttling;
 		entry->data = acpi_driver_data(device);
 	}
@@ -2356,7 +2326,7 @@ acpi_processor_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_PROCESSOR_FILE_LIMIT));
 	else {
-		entry->read_proc = acpi_processor_read_limit;
+		entry->proc_fops = &acpi_processor_limit_fops;
 		entry->write_proc = acpi_processor_write_limit;
 		entry->data = acpi_driver_data(device);
 	}

drivers/acpi/sleep.c

@@ -15,6 +15,7 @@
 #include <linux/pm.h>
 #include <linux/device.h>
 #include <linux/suspend.h>
+#include <linux/seq_file.h>
 
 #include <asm/uaccess.h>
 #include <asm/acpi.h>
@@ -32,8 +33,25 @@ ACPI_MODULE_NAME		("sleep")
 #define ACPI_SYSTEM_FILE_SLEEP		"sleep"
 #define ACPI_SYSTEM_FILE_ALARM		"alarm"
 
+static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file);
+static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file);
+
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
+static struct file_operations acpi_system_sleep_fops = {
+	.open		= acpi_system_sleep_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_system_alarm_fops = {
+	.open		= acpi_system_alarm_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static void
 acpi_power_off (void)
 {
@@ -271,43 +289,26 @@ acpi_suspend (
 	return status;
 }
 
-
-static int
-acpi_system_read_sleep (
-        char                    *page,
-        char                    **start,
-        off_t                   off,
-        int                     count,
-        int                     *eof,
-        void                    *data)
+static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
 {
-	char			*p = page;
-	int			size;
 	int			i;
 
-	ACPI_FUNCTION_TRACE("acpi_system_read_sleep");
-
-	if (off != 0)
-		goto end;
+	ACPI_FUNCTION_TRACE("acpi_system_sleep_seq_show");
 
 	for (i = 0; i <= ACPI_STATE_S5; i++) {
 		if (sleep_states[i])
-			p += sprintf(p,"S%d ", i);
+			seq_printf(seq,"S%d ", i);
 	}
 
-	p += sprintf(p, "\n");
+	seq_puts(seq, "\n");
 
-end:
-	size = (p - page);
-	if (size <= off+count) *eof = 1;
-	*start = page + off;
-	size -= off;
-	if (size>count) size = count;
-	if (size<0) size = 0;
-
-	return_VALUE(size);
+	return 0;
 }
 
+static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
+}
 
 static int
 acpi_system_write_sleep (
@@ -349,25 +350,12 @@ acpi_system_write_sleep (
 	return_VALUE(count);
 }
 
-
-static int
-acpi_system_read_alarm (
-	char                    *page,
-	char                    **start,
-	off_t                   off,
-	int                     count,
-	int                     *eof,
-	void                    *context)
+static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
 {
-	char			*p = page;
-	int			size = 0;
 	u32			sec, min, hr;
 	u32			day, mo, yr;
 
-	ACPI_FUNCTION_TRACE("acpi_system_read_alarm");
-
-	if (off != 0)
-		goto end;
+	ACPI_FUNCTION_TRACE("acpi_system_alarm_seq_show");
 
 	spin_lock(&rtc_lock);
 
@@ -427,21 +415,19 @@ acpi_system_read_alarm (
 	yr += 2000;
 #endif
 
-	p += sprintf(p,"%4.4u-", yr);
-	p += (mo > 12)  ? sprintf(p, "**-")  : sprintf(p, "%2.2u-", mo);
-	p += (day > 31) ? sprintf(p, "** ")  : sprintf(p, "%2.2u ", day);
-	p += (hr > 23)  ? sprintf(p, "**:")  : sprintf(p, "%2.2u:", hr);
-	p += (min > 59) ? sprintf(p, "**:")  : sprintf(p, "%2.2u:", min);
-	p += (sec > 59) ? sprintf(p, "**\n") : sprintf(p, "%2.2u\n", sec);
-
- end:
-	size = p - page;
-	if (size < count) *eof = 1;
-	else if (size > count) size = count;
-	if (size < 0) size = 0;
-	*start = page;
-
-	return_VALUE(size);
+	seq_printf(seq,"%4.4u-", yr);
+	(mo > 12)  ? seq_puts(seq, "**-")  : seq_printf(seq, "%2.2u-", mo);
+	(day > 31) ? seq_puts(seq, "** ")  : seq_printf(seq, "%2.2u ", day);
+	(hr > 23)  ? seq_puts(seq, "**:")  : seq_printf(seq, "%2.2u:", hr);
+	(min > 59) ? seq_puts(seq, "**:")  : seq_printf(seq, "%2.2u:", min);
+	(sec > 59) ? seq_puts(seq, "**\n") : seq_printf(seq, "%2.2u\n", sec);
+
+	return 0;
+}
+
+static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_system_alarm_seq_show, PDE(inode)->data);
 }
 
 
@@ -687,7 +673,7 @@ static int __init acpi_sleep_init(void)
 			"Unable to create '%s' fs entry\n",
 			ACPI_SYSTEM_FILE_SLEEP));
 	else {
-		entry->read_proc = acpi_system_read_sleep;
+		entry->proc_fops = &acpi_system_sleep_fops;
 		entry->write_proc = acpi_system_write_sleep;
 	}
 
@@ -699,7 +685,7 @@ static int __init acpi_sleep_init(void)
 			"Unable to create '%s' fs entry\n",
 			ACPI_SYSTEM_FILE_ALARM));
 	else {
-		entry->read_proc = acpi_system_read_alarm;
+		entry->proc_fops = &acpi_system_alarm_fops;
 		entry->write_proc = acpi_system_write_alarm;
 	}
 

drivers/acpi/thermal.c

@@ -39,6 +39,7 @@
 #include <linux/proc_fs.h>
 #include <linux/sched.h>
 #include <linux/kmod.h>
+#include <linux/seq_file.h>
 #include "acpi_bus.h"
 #include "acpi_drivers.h"
 
@@ -79,6 +80,11 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n");
 
 static int acpi_thermal_add (struct acpi_device *device);
 static int acpi_thermal_remove (struct acpi_device *device, int type);
+static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_thermal_driver = {
 	.name =		ACPI_THERMAL_DRIVER_NAME,
@@ -157,6 +163,40 @@ struct acpi_thermal {
 	struct timer_list	timer;
 };
 
+static struct file_operations acpi_thermal_state_fops = {
+	.open		= acpi_thermal_state_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_thermal_temp_fops = {
+	.open		= acpi_thermal_temp_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_thermal_trip_fops = {
+	.open		= acpi_thermal_trip_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_thermal_cooling_fops = {
+	.open		= acpi_thermal_cooling_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations acpi_thermal_polling_fops = {
+	.open		= acpi_thermal_polling_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 /* --------------------------------------------------------------------------
                              Thermal Zone Management
@@ -720,154 +760,119 @@ acpi_thermal_check (
 
 struct proc_dir_entry		*acpi_thermal_dir = NULL;
 
-
-static int
-acpi_thermal_read_state (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_thermal_read_state");
+	ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show");
 
-	if (!tz || (off != 0))
+	if (!tz)
 		goto end;
 
-	p += sprintf(p, "state:                   ");
+	seq_puts(seq, "state:                   ");
 
 	if (!tz->state.critical && !tz->state.hot && !tz->state.passive && !tz->state.active)
-		p += sprintf(p, "ok\n");
+		seq_puts(seq, "ok\n");
 	else {
 		if (tz->state.critical)
-			p += sprintf(p, "critical ");
+			seq_puts(seq, "critical ");
 		if (tz->state.hot)
-			p += sprintf(p, "hot ");
+			seq_puts(seq, "hot ");
 		if (tz->state.passive)
-			p += sprintf(p, "passive ");
+			seq_puts(seq, "passive ");
 		if (tz->state.active)
-			p += sprintf(p, "active[%d]", tz->state.active_index);
-		p += sprintf(p, "\n");
+			seq_printf(seq, "active[%d]", tz->state.active_index);
+		seq_puts(seq, "\n");
 	}
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_thermal_state_seq_show, PDE(inode)->data);
+}
 
-static int
-acpi_thermal_read_temperature (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+
+static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset)
 {
 	int			result = 0;
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_thermal_read_temperature");
+	ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show");
 
-	if (!tz || (off != 0))
+	if (!tz)
 		goto end;
 
 	result = acpi_thermal_get_temperature(tz);
 	if (result)
 		goto end;
 
-	p += sprintf(p, "temperature:             %ld C\n", 
+	seq_printf(seq, "temperature:             %ld C\n", 
 		KELVIN_TO_CELSIUS(tz->temperature));
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_thermal_temp_seq_show, PDE(inode)->data);
+}
 
-static int
-acpi_thermal_read_trip_points (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+
+static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
 	int			i = 0;
 	int			j = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_thermal_read_trip_points");
+	ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show");
 
-	if (!tz || (off != 0))
+	if (!tz)
 		goto end;
 
 	if (tz->trips.critical.flags.valid)
-		p += sprintf(p, "critical (S5):           %ld C\n",
+		seq_printf(seq, "critical (S5):           %ld C\n",
 			KELVIN_TO_CELSIUS(tz->trips.critical.temperature));
 
 	if (tz->trips.hot.flags.valid)
-		p += sprintf(p, "hot (S4):                %ld C\n",
+		seq_printf(seq, "hot (S4):                %ld C\n",
 			KELVIN_TO_CELSIUS(tz->trips.hot.temperature));
 
 	if (tz->trips.passive.flags.valid) {
-		p += sprintf(p, "passive:                 %ld C: tc1=%lu tc2=%lu tsp=%lu devices=",
+		seq_printf(seq, "passive:                 %ld C: tc1=%lu tc2=%lu tsp=%lu devices=",
 			KELVIN_TO_CELSIUS(tz->trips.passive.temperature),
 			tz->trips.passive.tc1,
 			tz->trips.passive.tc2, 
 			tz->trips.passive.tsp);
 		for (j=0; j<tz->trips.passive.devices.count; j++) {
 
-			p += sprintf(p, "0x%p ", tz->trips.passive.devices.handles[j]);
+			seq_printf(seq, "0x%p ", tz->trips.passive.devices.handles[j]);
 		}
-		p += sprintf(p, "\n");
+		seq_puts(seq, "\n");
 	}
 
-	for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) {
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 		if (!(tz->trips.active[i].flags.valid))
 			break;
-		p += sprintf(p, "active[%d]:               %ld C: devices=",
+		seq_printf(seq, "active[%d]:               %ld C: devices=",
 			i, KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
-		for (j=0; j<tz->trips.active[i].devices.count; j++) 
-			p += sprintf(p, "0x%p ",
+		for (j = 0; j < tz->trips.active[i].devices.count; j++) 
+			seq_printf(seq, "0x%p ",
 				tz->trips.active[i].devices.handles[j]);
-		p += sprintf(p, "\n");
+		seq_puts(seq, "\n");
 	}
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data);
+}
 
 static int
 acpi_thermal_write_trip_points (
@@ -909,43 +914,32 @@ acpi_thermal_write_trip_points (
 }
 
 
-static int
-acpi_thermal_read_cooling_mode (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_thermal_read_cooling_mode");
+	ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show");
 
-	if (!tz || (off != 0))
+	if (!tz)
 		goto end;
 
 	if (!tz->flags.cooling_mode) {
-		p += sprintf(p, "<not supported>\n");
+		seq_puts(seq, "<not supported>\n");
 		goto end;
 	}
 
-	p += sprintf(p, "cooling mode:            %s\n",
+	seq_printf(seq, "cooling mode:            %s\n",
 		tz->cooling_mode?"passive":"active");
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_thermal_cooling_seq_show,
+							PDE(inode)->data);
+}
 
 static int
 acpi_thermal_write_cooling_mode (
@@ -980,43 +974,32 @@ acpi_thermal_write_cooling_mode (
 }
 
 
-static int
-acpi_thermal_read_polling (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*data)
+static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	char			*p = page;
-	int			len = 0;
+	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
 
-	ACPI_FUNCTION_TRACE("acpi_thermal_read_polling");
+	ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show");
 
-	if (!tz || (off != 0))
+	if (!tz)
 		goto end;
 
 	if (!tz->polling_frequency) {
-		p += sprintf(p, "<polling disabled>\n");
+		seq_puts(seq, "<polling disabled>\n");
 		goto end;
 	}
 
-	p += sprintf(p, "polling frequency:       %lu seconds\n",
+	seq_printf(seq, "polling frequency:       %lu seconds\n",
 		(tz->polling_frequency / 10));
 
 end:
-	len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-
-	return_VALUE(len);
+	return 0;
 }
 
+static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_thermal_polling_seq_show,
+							PDE(inode)->data);
+}
 
 static int
 acpi_thermal_write_polling (
@@ -1075,7 +1058,7 @@ acpi_thermal_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_THERMAL_FILE_STATE));
 	else {
-		entry->read_proc = acpi_thermal_read_state;
+		entry->proc_fops = &acpi_thermal_state_fops;
 		entry->data = acpi_driver_data(device);
 	}
 
@@ -1087,7 +1070,7 @@ acpi_thermal_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_THERMAL_FILE_TEMPERATURE));
 	else {
-		entry->read_proc = acpi_thermal_read_temperature;
+		entry->proc_fops = &acpi_thermal_temp_fops;
 		entry->data = acpi_driver_data(device);
 	}
 
@@ -1099,7 +1082,7 @@ acpi_thermal_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_THERMAL_FILE_POLLING_FREQ));
 	else {
-		entry->read_proc = acpi_thermal_read_trip_points;
+		entry->proc_fops = &acpi_thermal_trip_fops;
 		entry->write_proc = acpi_thermal_write_trip_points;
 		entry->data = acpi_driver_data(device);
 	}
@@ -1112,7 +1095,7 @@ acpi_thermal_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_THERMAL_FILE_COOLING_MODE));
 	else {
-		entry->read_proc = acpi_thermal_read_cooling_mode;
+		entry->proc_fops = &acpi_thermal_cooling_fops;
 		entry->write_proc = acpi_thermal_write_cooling_mode;
 		entry->data = acpi_driver_data(device);
 	}
@@ -1125,7 +1108,7 @@ acpi_thermal_add_fs (
 			"Unable to create '%s' fs entry\n",
 			ACPI_THERMAL_FILE_POLLING_FREQ));
 	else {
-		entry->read_proc = acpi_thermal_read_polling;
+		entry->proc_fops = &acpi_thermal_polling_fops;
 		entry->write_proc = acpi_thermal_write_polling;
 		entry->data = acpi_driver_data(device);
 	}

drivers/acpi/toshiba_acpi.c

@@ -41,6 +41,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/version.h>
 
 #include <acconfig.h>
@@ -100,6 +101,47 @@ MODULE_LICENSE("GPL");
 #define HCI_VIDEO_OUT_CRT		0x2
 #define HCI_VIDEO_OUT_TV		0x4
 
+static int toshiba_lcd_open_fs(struct inode *inode, struct file *file);
+static int toshiba_video_open_fs(struct inode *inode, struct file *file);
+static int toshiba_fan_open_fs(struct inode *inode, struct file *file);
+static int toshiba_keys_open_fs(struct inode *inode, struct file *file);
+static int toshiba_version_open_fs(struct inode *inode, struct file *file);
+
+static struct file_operations toshiba_lcd_fops = {
+	.open		= toshiba_lcd_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations toshiba_video_fops = {
+	.open		= toshiba_video_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations toshiba_fan_fops = {
+	.open		= toshiba_fan_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations toshiba_keys_fops = {
+	.open		= toshiba_keys_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct file_operations toshiba_version_fops = {
+	.open		= toshiba_version_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 /* utility
  */
 
@@ -126,22 +168,6 @@ snscanf(const char* str, int n, const char* format, ...)
 	return result;
 }
 
-/* This is the common code at the end of every proc read handler.  I don't
- * understand it yet.
- */
-static int
-end_proc_read(const char* p, char* page, off_t off, int count,
-	char** start, int* eof)
-{
-	int len = (p - page);
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-	return len;
-}
-
 /* acpi interface wrappers
  */
 
@@ -259,29 +285,27 @@ static int			key_event_valid;
 /* proc file handlers
  */
 
-static int
-proc_read_lcd(char* page, char** start, off_t off, int count, int* eof,
-	void* context)
+static int toshiba_lcd_seq_show(struct seq_file *seq, void *offset)
 {
-	char* p = page;
 	u32 hci_result;
 	u32 value;
 
-	if (off != 0) goto end;
-
 	hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
 	if (hci_result == HCI_SUCCESS) {
 		value = value >> HCI_LCD_BRIGHTNESS_SHIFT;
-		p += sprintf(p, "brightness:              %d\n", value);
-		p += sprintf(p, "brightness_levels:       %d\n",
+		seq_printf(seq, "brightness:              %d\n"
+				"brightness_levels:       %d\n",
+				value,
 				HCI_LCD_BRIGHTNESS_LEVELS);
-	} else {
-		p += sprintf(p, "ERROR\n");
-		goto end;
-	}
+	} else
+		seq_puts(seq, "ERROR\n");
 
-end:
-	return end_proc_read(p, page, off, count, start, eof);
+	return 0;
+}
+
+static int toshiba_lcd_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, toshiba_lcd_seq_show, NULL);
 }
 
 static int
@@ -306,31 +330,31 @@ proc_write_lcd(struct file* file, const char* buffer, unsigned long count,
 	return count;
 }
 
-static int
-proc_read_video(char* page, char** start, off_t off, int count, int* eof,
-	void* context)
+static int toshiba_video_seq_show(struct seq_file *seq, void *offset)
 {
-	char* p = page;
 	u32 hci_result;
 	u32 value;
 
-	if (off != 0) goto end;
-
 	hci_read1(HCI_VIDEO_OUT, &value, &hci_result);
 	if (hci_result == HCI_SUCCESS) {
 		int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
 		int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
 		int is_tv  = (value & HCI_VIDEO_OUT_TV ) ? 1 : 0;
-		p += sprintf(p, "lcd_out:                 %d\n", is_lcd);
-		p += sprintf(p, "crt_out:                 %d\n", is_crt);
-		p += sprintf(p, "tv_out:                  %d\n", is_tv);
-	} else {
-		p += sprintf(p, "ERROR\n");
-		goto end;
-	}
+		seq_printf(seq, "lcd_out:                 %d\n"
+				"crt_out:                 %d\n"
+				"tv_out:                  %d\n",
+				is_lcd,
+				is_crt,
+				is_tv);
+	} else
+		seq_puts(seq, "ERROR\n");
+
+	return 0;
+}
 
-end:
-	return end_proc_read(p, page, off, count, start, eof);
+static int toshiba_video_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, toshiba_video_seq_show, NULL);
 }
 
 static int
@@ -376,27 +400,26 @@ proc_write_video(struct file* file, const char* buffer, unsigned long count,
 	return count;
 }
 
-static int
-proc_read_fan(char* page, char** start, off_t off, int count, int* eof,
-	void* context)
+static int toshiba_fan_seq_show(struct seq_file *seq, void *offset)
 {
-	char* p = page;
 	u32 hci_result;
 	u32 value;
 
-	if (off != 0) goto end;
-
 	hci_read1(HCI_FAN, &value, &hci_result);
 	if (hci_result == HCI_SUCCESS) {
-		p += sprintf(p, "running:                 %d\n", (value > 0));
-		p += sprintf(p, "force_on:                %d\n", force_fan);
-	} else {
-		p += sprintf(p, "ERROR\n");
-		goto end;
-	}
+		seq_printf(seq, "running:                 %d\n"
+				"force_on:                %d\n",
+				(value > 0),
+				force_fan);
+	} else
+		seq_puts(seq, "ERROR\n");
+
+	return 0;
+}
 
-end:
-	return end_proc_read(p, page, off, count, start, eof);
+static int toshiba_fan_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, toshiba_fan_seq_show, NULL);
 }
 
 static int
@@ -420,16 +443,11 @@ proc_write_fan(struct file* file, const char* buffer, unsigned long count,
 	return count;
 }
 
-static int
-proc_read_keys(char* page, char** start, off_t off, int count, int* eof,
-	void* context)
+static int toshiba_keys_seq_show(struct seq_file *seq, void *offset)
 {
-	char* p = page;
 	u32 hci_result;
 	u32 value;
 
-	if (off != 0) goto end;
-
 	if (!key_event_valid) {
 		hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
 		if (hci_result == HCI_SUCCESS) {
@@ -438,16 +456,23 @@ proc_read_keys(char* page, char** start, off_t off, int count, int* eof,
 		} else if (hci_result == HCI_EMPTY) {
 			/* better luck next time */
 		} else {
-			p += sprintf(p, "ERROR\n");
+			seq_puts(seq, "ERROR\n");
 			goto end;
 		}
 	}
 
-	p += sprintf(p, "hotkey_ready:            %d\n", key_event_valid);
-	p += sprintf(p, "hotkey:                  0x%04x\n", last_key_event);
+	seq_printf(seq, "hotkey_ready:            %d\n"
+			"hotkey:                  0x%04x\n",
+			key_event_valid,
+			last_key_event);
 
 end:
-	return end_proc_read(p, page, off, count, start, eof);
+	return 0;
+}
+
+static int toshiba_keys_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, toshiba_keys_seq_show, NULL);
 }
 
 static int
@@ -466,20 +491,19 @@ proc_write_keys(struct file* file, const char* buffer, unsigned long count,
 	return count;
 }
 
-static int
-proc_read_version(char* page, char** start, off_t off, int count, int* eof,
-	void* context)
+static int toshiba_version_seq_show(struct seq_file *seq, void *offset)
 {
-	char* p = page;
-
-	if (off != 0) goto end;
-
-	p += sprintf(p, "driver:                  %s\n", TOSHIBA_ACPI_VERSION);
-	p += sprintf(p, "proc_interface:          %d\n",
+	seq_printf(seq, "driver:                  %s\n"
+			"proc_interface:          %d\n",
+			TOSHIBA_ACPI_VERSION,
 			PROC_INTERFACE_VERSION);
 
-end:
-	return end_proc_read(p, page, off, count, start, eof);
+	return 0;
+}
+
+static int toshiba_version_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, toshiba_version_seq_show, NULL);
 }
 
 /* proc and module init
@@ -490,24 +514,38 @@ add_device(void)
 {
 	struct proc_dir_entry* proc;
 
-	proc = create_proc_read_entry(PROC_LCD, S_IFREG | S_IRUGO | S_IWUSR,
-		toshiba_proc_dir, proc_read_lcd, 0);
-	if (proc) proc->write_proc = proc_write_lcd;
+	proc = create_proc_entry(PROC_LCD, S_IFREG | S_IRUGO | S_IWUSR,
+		toshiba_proc_dir);
+	if (proc) {
+		proc->proc_fops = &toshiba_lcd_fops;
+		proc->write_proc = proc_write_lcd;
+	}
 
-	proc = create_proc_read_entry(PROC_VIDEO, S_IFREG | S_IRUGO | S_IWUSR,
-		toshiba_proc_dir, proc_read_video, 0);
-	if (proc) proc->write_proc = proc_write_video;
+	proc = create_proc_entry(PROC_VIDEO, S_IFREG | S_IRUGO | S_IWUSR,
+		toshiba_proc_dir);
+	if (proc) {
+		proc->proc_fops = &toshiba_video_fops;
+		proc->write_proc = proc_write_video;
+	}
 
-	proc = create_proc_read_entry(PROC_FAN, S_IFREG | S_IRUGO | S_IWUSR,
-		toshiba_proc_dir, proc_read_fan, 0);
-	if (proc) proc->write_proc = proc_write_fan;
+	proc = create_proc_entry(PROC_FAN, S_IFREG | S_IRUGO | S_IWUSR,
+		toshiba_proc_dir);
+	if (proc) {
+		proc->proc_fops = &toshiba_fan_fops;
+		proc->write_proc = proc_write_fan;
+	}
 
-	proc = create_proc_read_entry(PROC_KEYS, S_IFREG | S_IRUGO | S_IWUSR,
-		toshiba_proc_dir, proc_read_keys, 0);
-	if (proc) proc->write_proc = proc_write_keys;
+	proc = create_proc_entry(PROC_KEYS, S_IFREG | S_IRUGO | S_IWUSR,
+		toshiba_proc_dir);
+	if (proc) {
+		proc->proc_fops = &toshiba_keys_fops;
+		proc->write_proc = proc_write_keys;
+	}
 
-	proc = create_proc_read_entry(PROC_VERSION, S_IFREG | S_IRUGO | S_IWUSR,
-		toshiba_proc_dir, proc_read_version, 0);
+	proc = create_proc_entry(PROC_VERSION, S_IFREG | S_IRUGO | S_IWUSR,
+		toshiba_proc_dir);
+	if (proc)
+		proc->proc_fops = &toshiba_version_fops;
 
 	return(AE_OK);
 }

drivers/acpi/utilities/utcopy.c

 /******************************************************************************
  *
  * Module Name: utcopy - Internal to external object translation utilities
- *              $Revision: 105 $
+ *              $Revision: 106 $
  *
  *****************************************************************************/
 
@@ -419,7 +419,8 @@ acpi_ut_copy_esimple_to_isimple (
 
 	case ACPI_TYPE_STRING:
 
-		internal_object->string.pointer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) external_object->string.length + 1);
+		internal_object->string.pointer =
+			ACPI_MEM_CALLOCATE ((ACPI_SIZE) external_object->string.length + 1);
 		if (!internal_object->string.pointer) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
 		}
@@ -434,7 +435,8 @@ acpi_ut_copy_esimple_to_isimple (
 
 	case ACPI_TYPE_BUFFER:
 
-		internal_object->buffer.pointer = ACPI_MEM_CALLOCATE (external_object->buffer.length);
+		internal_object->buffer.pointer =
+			ACPI_MEM_CALLOCATE (external_object->buffer.length);
 		if (!internal_object->buffer.pointer) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
 		}
@@ -474,7 +476,7 @@ acpi_ut_copy_esimple_to_isimple (
  *              *Buffer            - Where the object is returned
  *              *Space_used        - Where the length of the object is returned
  *
- * RETURN:      Status          - the status of the call
+ * RETURN:      Status
  *
  * DESCRIPTION: This function is called to place a package object in a user
  *              buffer.  A package object by definition contains other objects.
@@ -607,7 +609,8 @@ acpi_ut_copy_simple_object (
 
 	/* Copy the entire source object over the destination object*/
 
-	ACPI_MEMCPY ((char *) dest_desc, (char *) source_desc, sizeof (acpi_operand_object));
+	ACPI_MEMCPY ((char *) dest_desc, (char *) source_desc,
+			  sizeof (acpi_operand_object));
 
 	/* Restore the saved fields */
 
@@ -687,12 +690,16 @@ acpi_ut_copy_ielement_to_ielement (
 			   &state->pkg.dest_object->package.elements[this_index];
 
 	switch (object_type) {
-	case 0:
+	case ACPI_COPY_TYPE_SIMPLE:
+
+		/* A null source object indicates a (legal) null package element */
 
+		if (source_object) {
 			/*
 			 * This is a simple object, just copy it
 			 */
-		target_object = acpi_ut_create_internal_object (ACPI_GET_OBJECT_TYPE (source_object));
+			target_object = acpi_ut_create_internal_object (
+					   ACPI_GET_OBJECT_TYPE (source_object));
 			if (!target_object) {
 				return (AE_NO_MEMORY);
 			}
@@ -703,10 +710,16 @@ acpi_ut_copy_ielement_to_ielement (
 			}
 
 			*this_target_ptr = target_object;
+		}
+		else {
+			/* Pass through a null element */
+
+			*this_target_ptr = NULL;
+		}
 		break;
 
 
-	case 1:
+	case ACPI_COPY_TYPE_PACKAGE:
 
 		/*
 		 * This object is a package - go down another nesting level
@@ -720,6 +733,17 @@ acpi_ut_copy_ielement_to_ielement (
 		target_object->package.count = source_object->package.count;
 		target_object->common.flags = source_object->common.flags;
 
+		/*
+		 * Create the object array
+		 */
+		target_object->package.elements =
+			ACPI_MEM_CALLOCATE (((ACPI_SIZE) source_object->package.count + 1) *
+					 sizeof (void *));
+		if (!target_object->package.elements) {
+			ACPI_MEM_FREE (target_object);
+			return (AE_NO_MEMORY);
+		}
+
 		/*
 		 * Pass the new package object back to the package walk routine
 		 */

drivers/acpi/utilities/utmisc.c

 /*******************************************************************************
  *
  * Module Name: utmisc - common utility procedures
- *              $Revision: 86 $
+ *              $Revision: 87 $
  *
  ******************************************************************************/
 
@@ -475,7 +475,6 @@ acpi_ut_strupr (
 		string++;
 	}
 
-
 	return (src_string);
 }
 
@@ -575,7 +574,6 @@ acpi_ut_create_mutex (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-
 	if (!acpi_gbl_acpi_mutex_info[mutex_id].mutex) {
 		status = acpi_os_create_semaphore (1, 1,
 				  &acpi_gbl_acpi_mutex_info[mutex_id].mutex);
@@ -613,7 +611,6 @@ acpi_ut_delete_mutex (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-
 	status = acpi_os_delete_semaphore (acpi_gbl_acpi_mutex_info[mutex_id].mutex);
 
 	acpi_gbl_acpi_mutex_info[mutex_id].mutex = NULL;
@@ -651,7 +648,6 @@ acpi_ut_acquire_mutex (
 		return (AE_BAD_PARAMETER);
 	}
 
-
 	this_thread_id = acpi_os_get_thread_id ();
 
 	/*
@@ -679,7 +675,6 @@ acpi_ut_acquire_mutex (
 		}
 	}
 
-
 	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
 			 "Thread %X attempting to acquire Mutex [%s]\n",
 			 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
@@ -693,7 +688,6 @@ acpi_ut_acquire_mutex (
 		acpi_gbl_acpi_mutex_info[mutex_id].use_count++;
 		acpi_gbl_acpi_mutex_info[mutex_id].owner_id = this_thread_id;
 	}
-
 	else {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not acquire Mutex [%s] %s\n",
 				 this_thread_id, acpi_ut_get_mutex_name (mutex_id),
@@ -737,7 +731,6 @@ acpi_ut_release_mutex (
 		return (AE_BAD_PARAMETER);
 	}
 
-
 	/*
 	 * Mutex must be acquired in order to release it!
 	 */
@@ -749,7 +742,6 @@ acpi_ut_release_mutex (
 		return (AE_NOT_ACQUIRED);
 	}
 
-
 	/*
 	 * Deadlock prevention.  Check if this thread owns any mutexes of value
 	 * greater than this one.  If so, the thread has violated the mutex
@@ -770,7 +762,6 @@ acpi_ut_release_mutex (
 		}
 	}
 
-
 	/* Mark unlocked FIRST */
 
 	acpi_gbl_acpi_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
@@ -828,7 +819,6 @@ acpi_ut_create_update_state_and_push (
 		return (AE_NO_MEMORY);
 	}
 
-
 	acpi_ut_push_generic_state (state_list, state);
 	return (AE_OK);
 }
@@ -866,7 +856,6 @@ acpi_ut_create_pkg_state_and_push (
 		return (AE_NO_MEMORY);
 	}
 
-
 	acpi_ut_push_generic_state (state_list, state);
 	return (AE_OK);
 }
@@ -1129,7 +1118,6 @@ acpi_ut_create_control_state (
 		return_PTR (NULL);
 	}
 
-
 	/* Init fields specific to the control struct */
 
 	state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
@@ -1224,6 +1212,8 @@ acpi_ut_walk_package_tree (
 	}
 
 	while (state) {
+		/* Get one element of the package */
+
 		this_index    = state->pkg.index;
 		this_source_obj = (acpi_operand_object *)
 				  state->pkg.source_object->package.elements[this_index];
@@ -1324,6 +1314,7 @@ acpi_ut_generate_checksum (
 	u32                     i;
 	signed char             sum = 0;
 
+
 	for (i = 0; i < length; i++) {
 		sum = (signed char) (sum + buffer[i]);
 	}

drivers/oprofile/cpu_buffer.c

@@ -20,6 +20,7 @@
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
 #include <linux/smp.h>
+#include <linux/errno.h>
  
 #include "cpu_buffer.h"
 #include "oprof.h"

drivers/pcmcia/sa1100_assabet.c

@@ -6,13 +6,14 @@
  */
 #include <linux/config.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/errno.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/irq.h>
+#include <asm/signal.h>
 #include <asm/arch/assabet.h>
 
 #include "sa1100_generic.h"

drivers/pcmcia/sa1100_badge4.c

@@ -31,40 +31,41 @@
  *
  * PCM Vcc:
  *
- *  PCM Vcc on BadgePAD 4 can be jumpered for 3.3V (short pins 1 and 3
- *  on JP6) or 5V (short pins 3 and 5 on JP6).  N.B., 5V supply rail
- *  is enabled by the SA-1110's BADGE4_GPIO_PCMEN5V (GPIO 24).
+ *  PCM Vcc on BadgePAD 4 can be jumpered for 3v3 (short pins 1 and 3
+ *  on JP6) or 5v0 (short pins 3 and 5 on JP6).
  *
  * PCM Vpp:
  *
- *  PCM Vpp on BadgePAD 4 can be jumpered for 12V (short pins 2 and 4
- *  on JP6) or tied to PCM Vcc (short pins 4 and 6 on JP6).  N.B., 12V
- *  operation requires that the power supply actually supply 12V.
+ *  PCM Vpp on BadgePAD 4 can be jumpered for 12v0 (short pins 4 and 6
+ *  on JP6) or tied to PCM Vcc (short pins 2 and 4 on JP6).  N.B.,
+ *  12v0 operation requires that the power supply actually supply 12v0
+ *  via pin 7 of JP7.
  *
  * CF Vcc:
  *
- *  CF Vcc on BadgePAD 4 can be jumpered either for 3.3V (short pins 1
- *  and 2 on JP10) or 5V (short pins 2 and 3 on JP10).  The note above
- *  about the 5V supply rail applies.
+ *  CF Vcc on BadgePAD 4 can be jumpered either for 3v3 (short pins 1
+ *  and 2 on JP10) or 5v0 (short pins 2 and 3 on JP10).
  *
- * There's no way programmatically to determine how a given board is
- * jumpered.  This code assumes a default jumpering: 5V PCM Vcc (pins
- * 3 and 5 shorted) and PCM Vpp = PCM Vcc (pins 4 and 6 shorted) and
- * no jumpering for CF Vcc.  If this isn't correct, Override these
- * defaults with a pcmv setup argument: pcmv=<pcm vcc>,<pcm vpp>,<cf
- * vcc>.  E.g. pcmv=33,120,50 indicates 3.3V PCM Vcc, 12.0V PCM Vpp,
- * and 5.0V CF Vcc.
+ * Unfortunately there's no way programmatically to determine how a
+ * given board is jumpered.  This code assumes a default jumpering
+ * as described below.
+ *
+ * If the defaults aren't correct, you may override them with a pcmv
+ * setup argument: pcmv=<pcm vcc>,<pcm vpp>,<cf vcc>.  The units are
+ * tenths of volts; e.g. pcmv=33,120,50 indicates 3v3 PCM Vcc, 12v0
+ * PCM Vpp, and 5v0 CF Vcc.
  *
  */
 
-static int badge4_pcmvcc = 50;
-static int badge4_pcmvpp = 50;
-static int badge4_cfvcc = 33;
+static int badge4_pcmvcc = 50;  /* pins 3 and 5 jumpered on JP6 */
+static int badge4_pcmvpp = 50;  /* pins 2 and 4 jumpered on JP6 */
+static int badge4_cfvcc = 33;   /* pins 1 and 2 jumpered on JP10 */
 
 static int badge4_pcmcia_init(struct pcmcia_init *init)
 {
-	printk(KERN_INFO __FUNCTION__
-	       ": badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n",
+	printk(KERN_INFO
+	       "%s: badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n",
+	       __FUNCTION__,
 	       badge4_pcmvcc, badge4_pcmvpp, badge4_cfvcc);
 
 	return sa1111_pcmcia_init(init);
@@ -74,7 +75,7 @@ static int badge4_pcmcia_shutdown(void)
 {
 	int rc = sa1111_pcmcia_shutdown();
 
-	/* be sure to disable 5V use */
+	/* be sure to disable 5v0 use */
 	badge4_set_5V(BADGE4_5V_PCMCIA_SOCK0, 0);
 	badge4_set_5V(BADGE4_5V_PCMCIA_SOCK1, 0);
 
@@ -105,7 +106,8 @@ badge4_pcmcia_configure_socket(const struct pcmcia_configure *conf)
 		    (conf->vcc != badge4_pcmvcc)) {
 			complain_about_jumpering(__FUNCTION__, "pcmvcc",
 						 badge4_pcmvcc, conf->vcc);
-			return -1;
+			// Apply power regardless of the jumpering.
+			// return -1;
 		}
 		if ((conf->vpp != 0) &&
 		    (conf->vpp != badge4_pcmvpp)) {
@@ -156,7 +158,7 @@ static struct pcmcia_low_level badge4_pcmcia_ops = {
 	.socket_suspend		= sa1111_pcmcia_socket_suspend,
 };
 
-int __init pcmcia_badge4_init(void)
+int pcmcia_badge4_init(void)
 {
 	int ret = -ENODEV;
 
@@ -166,7 +168,7 @@ int __init pcmcia_badge4_init(void)
 	return ret;
 }
 
-void __exit pcmcia_badge4_exit(void)
+void __devexit pcmcia_badge4_exit(void)
 {
 	sa1100_unregister_pcmcia(&badge4_pcmcia_ops);
 }

drivers/pcmcia/sa1111_generic.c

@@ -7,9 +7,9 @@
  */
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/ioport.h>
 #include <linux/device.h>
+#include <linux/interrupt.h>
 #include <linux/init.h>
 
 #include <asm/hardware.h>

drivers/serial/8250_acorn.c

@@ -55,8 +55,6 @@ static int __devinit serial_card_probe(struct expansion_card *ec, const struct e
 	unsigned long cardaddr, address;
 	int port;
 
-	ecard_claim (ec);
-
 	info = kmalloc(sizeof(struct serial_card_info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
@@ -64,6 +62,8 @@ static int __devinit serial_card_probe(struct expansion_card *ec, const struct e
 	memset(info, 0, sizeof(struct serial_card_info));
 	info->num_ports = type->num_ports;
 
+	ecard_set_drvdata(ec, info);
+
 	cardaddr = ecard_address(ec, type->type, type->speed);
 
 	for (port = 0; port < info->num_ports; port ++) {
@@ -98,8 +98,6 @@ static void __devexit serial_card_remove(struct expansion_card *ec)
 	}
 
 	kfree(info);
-
-	ecard_release(ec);
 }
 
 static struct serial_card_type atomwide_type = {

drivers/serial/Kconfig

@@ -365,7 +365,7 @@ config SERIAL_SUNSAB
 
 config V850E_NB85E_UART
 	bool "NEC V850E on-chip UART support"
-	depends on V850E_NB85E || V850E2_ANNA
+	depends on V850E_NB85E || V850E2_ANNA || V850E_AS85EP1
 	default y
 
 config V850E_NB85E_UART_CONSOLE

drivers/serial/nb85e_uart.c

@@ -25,10 +25,10 @@
 
 /* Initial UART state.  This may be overridden by machine-dependent headers. */
 #ifndef NB85E_UART_INIT_BAUD
-#define NB85E_UART_INIT_BAUD	38400
+#define NB85E_UART_INIT_BAUD	115200
 #endif
 #ifndef NB85E_UART_INIT_CFLAGS
-#define NB85E_UART_INIT_CFLAGS	(B38400 | CS8 | CREAD)
+#define NB85E_UART_INIT_CFLAGS	(B115200 | CS8 | CREAD)
 #endif
 
 /* A string used for prefixing printed descriptions; since the same UART
@@ -304,7 +304,7 @@ void nb85e_uart_tx (struct uart_port *port)
 		port->icount.tx++;
 
 		if (uart_circ_chars_pending (xmit) < WAKEUP_CHARS)
-			uart_event (port, EVT_WRITE_WAKEUP);
+			uart_write_wakeup (port);
 	}
 
  no_xmit:

include/asm-arm/arch-shark/ide.h

@@ -42,6 +42,6 @@ ide_init_default_hwifs(void)
 
 	ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
 	hw.irq = 14;
-	ide_register_hw(&hw);
+	ide_register_hw(&hw,NULL);
 }
 

include/asm-arm/arch-shark/irqs.h

@@ -7,5 +7,6 @@
 #define NR_IRQS			16
 
 #define IRQ_ISA_KEYBOARD	 1
+#define RTC_IRQ			 8
 #define AUX_IRQ			12
 #define IRQ_HARDDISK            14

include/asm-arm/arch-shark/memory.h

@@ -38,6 +38,4 @@
 #define __bus_to_virt__is_a_macro
 #define __bus_to_virt(x)	__phys_to_virt(x)
 
-#define isa_virt_to_bus		virt_to_bus
-
 #endif

include/asm-arm/arch-shark/timex.h

@@ -3,3 +3,5 @@
  *
  * by Alexander Schulz
  */
+
+#define CLOCK_TICK_RATE 1193180

include/asm-arm/proc-armv/elf.h

@@ -13,7 +13,7 @@
 
 #define ELF_THUMB_OK(x) \
 	(( (elf_hwcap & HWCAP_THUMB) && ((x)->e_entry & 1) == 1) || \
-	 (!(elf_hwcap & HWCAP_THUMB) && ((x)->e_entry & 3) == 0))
+	 ((x)->e_entry & 3) == 0)
 
 #define ELF_26BIT_OK(x) \
 	(( (elf_hwcap & HWCAP_26BIT) && (x)->e_flags & EF_ARM_APCS26) || \

include/asm-arm/suspend.h

-#ifdef _ASMARM_SUSPEND_H
+#ifndef _ASMARM_SUSPEND_H
 #define _ASMARM_SUSPEND_H
 
 #endif

include/asm-v850/anna.h

@@ -127,6 +127,22 @@ extern void anna_uart_pre_configure (unsigned chan,
 				     unsigned cflags, unsigned baud);
 #endif
 
+/* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */
+
+/* CTS for UART channel 1 is pin P37 (bit 7 of port 3).  */
+#define NB85E_UART_CTS(chan)	((chan) == 1 ? !(ANNA_PORT_IO(3) & 0x80) : 1)
+/* RTS for UART channel 1 is pin P07 (bit 7 of port 0).  */
+#define NB85E_UART_SET_RTS(chan, val)					      \
+   do {									      \
+	   if (chan == 1) {						      \
+		   unsigned old = ANNA_PORT_IO(0); 			      \
+		   if (val)						      \
+			   ANNA_PORT_IO(0) = old & ~0x80;		      \
+		   else							      \
+			   ANNA_PORT_IO(0) = old | 0x80;		      \
+	   }								      \
+   } while (0)
+
 
 /* Timer C details.  */
 #define NB85E_TIMER_C_BASE_ADDR		0xFFFFF600

include/asm-v850/as85ep1.h

+/*
+ * include/asm-v850/as85ep1.h -- AS85EP1 evaluation CPU chip/board
+ *
+ *  Copyright (C) 2001,2002  NEC Corporation
+ *  Copyright (C) 2001,2002  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_AS85EP1_H__
+#define __V850_AS85EP1_H__
+
+
+#define CPU_ARCH 	"v850e"
+#define CPU_MODEL	"as85ep1"
+#define CPU_MODEL_LONG	"NEC V850E/AS85EP1"
+#define PLATFORM	"AS85EP1"
+#define PLATFORM_LONG	"NEC V850E/AS85EP1 evaluation board"
+
+#define CPU_CLOCK_FREQ	96000000 /*  96MHz */
+#define SYS_CLOCK_FREQ	CPU_CLOCK_FREQ
+
+
+/* 1MB of static RAM.  */
+#define SRAM_ADDR	0x00400000
+#define SRAM_SIZE	0x00100000 /* 1MB */
+/* About 58MB of DRAM.  This can actually be at one of two positions,
+   determined by jump JP3; we have to use the first position because the
+   second is partially out of processor instruction addressing range
+   (though in the second position there's actually 64MB available).  */
+#define SDRAM_ADDR	0x00600000
+#define SDRAM_SIZE	0x039F8000 /* approx 58MB */
+
+/* For <asm/page.h> */
+#define PAGE_OFFSET 	SRAM_ADDR
+
+/* We use on-chip RAM, for a few miscellaneous variables that must be
+   accessible using a load instruction relative to R0.  The AS85EP1 chip
+   16K of internal RAM located slightly before I/O space.  */
+#define R0_RAM_ADDR	0xFFFF8000
+
+
+/* AS85EP1 specific control registers.  */
+#define AS85EP1_CSC_ADDR(n)	(0xFFFFF060 + (n) * 2)
+#define AS85EP1_CSC(n)		(*(volatile u16 *)AS85EP1_CSC_ADDR(n))
+#define AS85EP1_BSC_ADDR	0xFFFFF066
+#define AS85EP1_BSC		(*(volatile u16 *)AS85EP1_BSC_ADDR)
+#define AS85EP1_BCT_ADDR(n)	(0xFFFFF480 + (n) * 2)
+#define AS85EP1_BCT(n)		(*(volatile u16 *)AS85EP1_BCT_ADDR(n))
+#define AS85EP1_DWC_ADDR(n)	(0xFFFFF484 + (n) * 2)
+#define AS85EP1_DWC(n)		(*(volatile u16 *)AS85EP1_DWC_ADDR(n))
+#define AS85EP1_BCC_ADDR	0xFFFFF488
+#define AS85EP1_BCC		(*(volatile u16 *)AS85EP1_BCC_ADDR)
+#define AS85EP1_ASC_ADDR	0xFFFFF48A
+#define AS85EP1_ASC		(*(volatile u16 *)AS85EP1_ASC_ADDR)
+#define AS85EP1_BCP_ADDR	0xFFFFF48C
+#define AS85EP1_BCP		(*(volatile u16 *)AS85EP1_BCP_ADDR)
+#define AS85EP1_LBS_ADDR	0xFFFFF48E
+#define AS85EP1_LBS		(*(volatile u16 *)AS85EP1_LBS_ADDR)
+#define AS85EP1_BMC_ADDR	0xFFFFF498
+#define AS85EP1_BMC		(*(volatile u16 *)AS85EP1_BMC_ADDR)
+#define AS85EP1_PRC_ADDR	0xFFFFF49A
+#define AS85EP1_PRC		(*(volatile u16 *)AS85EP1_PRC_ADDR)
+#define AS85EP1_SCR_ADDR(n)	(0xFFFFF4A0 + (n) * 4)
+#define AS85EP1_SCR(n)		(*(volatile u16 *)AS85EP1_SCR_ADDR(n))
+#define AS85EP1_RFS_ADDR(n)	(0xFFFFF4A2 + (n) * 4)
+#define AS85EP1_RFS(n)		(*(volatile u16 *)AS85EP1_RFS_ADDR(n))
+#define AS85EP1_IRAMM_ADDR	0xFFFFF80A
+#define AS85EP1_IRAMM		(*(volatile u8 *)AS85EP1_IRAMM_ADDR)
+
+
+
+/* I/O port P0-P13. */
+/* Direct I/O.  Bits 0-7 are pins Pn0-Pn7.  */
+#define AS85EP1_PORT_IO_ADDR(n)	(0xFFFFF400 + (n) * 2)
+#define AS85EP1_PORT_IO(n)	(*(volatile u8 *)AS85EP1_PORT_IO_ADDR(n))
+/* Port mode (for direct I/O, 0 = output, 1 = input).  */
+#define AS85EP1_PORT_PM_ADDR(n)	(0xFFFFF420 + (n) * 2)
+#define AS85EP1_PORT_PM(n)	(*(volatile u8 *)AS85EP1_PORT_PM_ADDR(n))
+/* Port mode control (0 = direct I/O mode, 1 = alternative I/O mode).  */
+#define AS85EP1_PORT_PMC_ADDR(n) (0xFFFFF440 + (n) * 2)
+#define AS85EP1_PORT_PMC(n)	(*(volatile u8 *)AS85EP1_PORT_PMC_ADDR(n))
+
+
+/* NB85E-style interrupt system.  */
+#include <asm/nb85e_intc.h>
+
+/* Hardware-specific interrupt numbers (in the kernel IRQ namespace).  */
+#define IRQ_INTCCC(n)	(0x0C + (n))
+#define IRQ_INTCCC_NUM	8
+#define IRQ_INTCMD(n)	(0x14 + (n)) /* interval timer interrupts 0-5 */
+#define IRQ_INTCMD_NUM	6
+#define IRQ_INTSRE(n)	(0x1E + (n)*3) /* UART 0-1 reception error */
+#define IRQ_INTSRE_NUM	2
+#define IRQ_INTSR(n)	(0x1F + (n)*3) /* UART 0-1 reception completion */
+#define IRQ_INTSR_NUM	2
+#define IRQ_INTST(n)	(0x20 + (n)*3) /* UART 0-1 transmission completion */
+#define IRQ_INTST_NUM	2
+
+#define NUM_CPU_IRQS	64
+
+#ifndef __ASSEMBLY__
+/* Initialize chip interrupts.  */
+extern void as85ep1_init_irqs (void);
+#endif
+
+
+/* AS85EP1 UART details (basically the same as the V850E/MA1, but 2 channels).  */
+#define NB85E_UART_NUM_CHANNELS		2
+#define NB85E_UART_BASE_FREQ		(SYS_CLOCK_FREQ / 4)
+#define NB85E_UART_CHIP_NAME 		"V850E/NA85E"
+
+/* This is a function that gets called before configuring the UART.  */
+#define NB85E_UART_PRE_CONFIGURE	as85ep1_uart_pre_configure
+#ifndef __ASSEMBLY__
+extern void as85ep1_uart_pre_configure (unsigned chan,
+					unsigned cflags, unsigned baud);
+#endif
+
+/* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */
+
+/* CTS for UART channel 1 is pin P54 (bit 4 of port 5).  */
+#define NB85E_UART_CTS(chan)   ((chan) == 1 ? !(AS85EP1_PORT_IO(5) & 0x10) : 1)
+/* RTS for UART channel 1 is pin P53 (bit 3 of port 5).  */
+#define NB85E_UART_SET_RTS(chan, val)					      \
+   do {									      \
+	   if (chan == 1) {						      \
+		   unsigned old = AS85EP1_PORT_IO(5); 			      \
+		   if (val)						      \
+			   AS85EP1_PORT_IO(5) = old & ~0x8;		      \
+		   else							      \
+			   AS85EP1_PORT_IO(5) = old | 0x8;		      \
+	   }								      \
+   } while (0)
+
+
+/* Timer C details.  */
+#define NB85E_TIMER_C_BASE_ADDR		0xFFFFF600
+
+/* Timer D details (the AS85EP1 actually has 5 of these; should change later). */
+#define NB85E_TIMER_D_BASE_ADDR		0xFFFFF540
+#define NB85E_TIMER_D_TMD_BASE_ADDR 	(NB85E_TIMER_D_BASE_ADDR + 0x0)
+#define NB85E_TIMER_D_CMD_BASE_ADDR 	(NB85E_TIMER_D_BASE_ADDR + 0x2)
+#define NB85E_TIMER_D_TMCD_BASE_ADDR 	(NB85E_TIMER_D_BASE_ADDR + 0x4)
+
+#define NB85E_TIMER_D_BASE_FREQ		SYS_CLOCK_FREQ
+#define NB85E_TIMER_D_TMCD_CS_MIN	2 /* min 2^2 divider */
+
+
+/* For <asm/param.h> */
+#ifndef HZ
+#define HZ	100
+#endif
+
+
+#endif /* __V850_AS85EP1_H__ */

include/asm-v850/asm.h

@@ -16,6 +16,10 @@
    .globl name;								      \
    .type  name,@function;						      \
    name
+#define G_DATA(name)							      \
+   .globl name;								      \
+   .type  name,@object;							      \
+   name
 #define END(name)							      \
    .size  name,.-name
 
@@ -23,3 +27,6 @@
    .align 4;								      \
    .type  name,@function;						      \
    name
+#define L_DATA(name)							      \
+   .type  name,@object;							      \
+   name

include/asm-v850/clinkage.h

@@ -20,6 +20,7 @@
 #define C_SYMBOL_NAME(name) 	macrology_paste(_, name)
 #define C_SYMBOL_STRING(name)	macrology_stringify(C_SYMBOL_NAME(name))
 #define C_ENTRY(name)		G_ENTRY(C_SYMBOL_NAME(name))
+#define C_DATA(name)		G_DATA(C_SYMBOL_NAME(name))
 #define C_END(name)		END(C_SYMBOL_NAME(name))
 
 #endif /* __V850_CLINKAGE_H__ */

include/asm-v850/elf.h

@@ -19,7 +19,8 @@ typedef struct user_fpu_struct elf_fpregset_t;
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
-#define elf_check_arch(x) ( (x)->e_machine == EM_CYGNUS_V850 )
+#define elf_check_arch(x)  \
+  ((x)->e_machine == EM_V850 || (x)->e_machine == EM_CYGNUS_V850)
 
 /*
  * These are used to set parameters in the core dumps.

include/asm-v850/fpga85e2c.h

@@ -20,7 +20,10 @@
 
 
 #define CPU_ARCH 	"v850e2"
-#define CPU_MODEL		"FPGA NA85E2C/V850E2"
+#define CPU_MODEL	"v850e2/fpga85e2c"
+#define CPU_MODEL_LONG	"NEC V850E2/NA85E2C"
+#define PLATFORM	"fpga85e2c"
+#define PLATFORM_LONG	"NA85E2C FPGA implementation"
 
 
 /* `external ram'.  */

include/asm-v850/gbus_int.h

@@ -65,7 +65,7 @@ extern void gbus_int_disable_irq (unsigned irq);
 /* Return true if interrupt handling for interrupt IRQ is enabled.  */
 extern int gbus_int_irq_enabled (unsigned irq);
 /* Disable all GBUS irqs.  */
-extern int gbus_int_disable_irqs (void);
+extern void gbus_int_disable_irqs (void);
 /* Clear any pending interrupts for IRQ.  */
 extern void gbus_int_clear_pending_irq (unsigned irq);
 /* Return true if interrupt IRQ is pending (but disabled).  */

include/asm-v850/hardirq.h

@@ -3,6 +3,7 @@
 
 #include <linux/config.h>
 #include <linux/threads.h>
+#include <linux/cache.h>
 
 typedef struct {
 	unsigned int __softirq_pending;

include/asm-v850/irq.h

@@ -52,6 +52,17 @@ typedef void (*irq_handler_t)(int irq, void *data, struct pt_regs *regs);
    interrupt.  */
 extern unsigned int handle_irq (int irq, struct pt_regs *regs);
 
+
+/* Enable interrupt handling on an irq.  */
+extern void enable_irq(unsigned int irq);
+
+/* Disable an irq and wait for completion.  */
+extern void disable_irq (unsigned int irq);
+
+/* Disable an irq without waiting. */
+extern void disable_irq_nosync (unsigned int irq);
+
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __V850_IRQ_H__ */

include/asm-v850/machdep.h

@@ -24,10 +24,13 @@
 #include <asm/teg.h>
 #endif
 
-/* Anna is both a chip _and_ a platform, so put it in the middle... */
+/* These are both chips _and_ platforms, so put them in the middle... */
 #ifdef CONFIG_V850E2_ANNA
 #include <asm/anna.h>
 #endif
+#ifdef CONFIG_V850E_AS85EP1
+#include <asm/as85ep1.h>
+#endif
 
 /* platforms */
 #ifdef CONFIG_RTE_CB_MA1

include/asm-v850/module.h

@@ -3,20 +3,40 @@
  *
  *  Copyright (C) 2001,02  NEC Corporation
  *  Copyright (C) 2001,02  Miles Bader <miles@gnu.org>
+ *  Copyright (C) 2001  Rusty Russell
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
  * archive for more details.
  *
  * Written by Miles Bader <miles@gnu.org>
+ *
+ * Derived in part from include/asm-ppc/module.h
  */
 
 #ifndef __V850_MODULE_H__
 #define __V850_MODULE_H__
 
-#define arch_init_modules(x)	((void)0)
-#define module_arch_init(x)	(0)
-#define module_map(sz)		vmalloc (sz)
-#define module_unmap(sz)	vfree (sz)
+#define MODULE_SYMBOL_PREFIX "_"
+
+struct v850_plt_entry
+{
+	/* Indirect jump instruction sequence (6-byte mov + 2-byte jr).  */
+	unsigned long tramp[2];
+};
+
+struct mod_arch_specific
+{
+	/* How much of the core is actually taken up with core (then
+           we know the rest is for the PLT).  */
+	unsigned int core_plt_offset;
+
+	/* Same for init.  */
+	unsigned int init_plt_offset;
+};
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
 
 #endif /* __V850_MODULE_H__ */

include/asm-v850/nb85e_uart.h

@@ -43,6 +43,9 @@
 #define NB85E_UART_BRGC_ADDR(n)		(NB85E_UART_BASE_ADDR(n) + 0x7)
 #endif
 
+#ifndef NB85E_UART_CKSR_MAX_FREQ
+#define NB85E_UART_CKSR_MAX_FREQ (25*1000*1000)
+#endif
 
 /* UART config registers.  */
 #define NB85E_UART_ASIM(n)	(*(volatile u8 *)NB85E_UART_ASIM_ADDR(n))
@@ -81,7 +84,6 @@
 /* UART baud-rate generator control registers.  */
 #define NB85E_UART_CKSR(n)	(*(volatile u8 *)NB85E_UART_CKSR_ADDR(n))
 #define NB85E_UART_CKSR_MAX	11
-#define NB85E_UART_CKSR_MAX_FREQ (25*1000*1000)
 #define NB85E_UART_BRGC(n)	(*(volatile u8 *)NB85E_UART_BRGC_ADDR(n))
 
 

include/asm-v850/percpu.h

@@ -3,4 +3,12 @@
 
 #include <asm-generic/percpu.h>
 
+/* This is a stupid hack to satisfy some grotty implicit include-file
+   dependency; basically, <linux/smp.h> uses BUG_ON, which calls BUG, but
+   doesn't include the necessary headers to define it.  In the twisted
+   festering mess of includes this must all be resolved somehow on other
+   platforms, but I haven't the faintest idea how, and don't care; here will
+   do, even though doesn't actually make any sense.  */
+#include <asm/page.h>
+
 #endif /* __V850_PERCPU_H__ */

include/asm-v850/processor.h

@@ -30,6 +30,12 @@
  */
 #define TASK_SIZE	(0xFFFFFFFF)
 
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.  We won't be using it.
+ */
+#define TASK_UNMAPPED_BASE	0
+
 
 #ifndef __ASSEMBLY__
 

include/asm-v850/sim.h

@@ -16,7 +16,10 @@
 
 
 #define CPU_ARCH		"v850e"
-#define CPU_MODEL		"GDB/v850e simulator"
+#define CPU_MODEL		"v850e"
+#define CPU_MODEL_LONG		"NEC V850E"
+#define PLATFORM		"gdb/v850e"
+#define PLATFORM_LONG		"GDB V850E simulator"
 
 
 /* We use a wierd value for RAM, not just 0, for testing purposes.

include/asm-v850/sim85e2c.h

@@ -17,7 +17,10 @@
 
 
 #define CPU_ARCH 	"v850e2"
-#define CPU_MODEL		"sim85e2c simulator"
+#define CPU_MODEL	"v850e2"
+#define CPU_MODEL_LONG	"NEC V850E2"
+#define PLATFORM	"sim85e2c"
+#define PLATFORM_LONG	"SIM85E2C V850E2 simulator"
 
 
 /* Various memory areas supported by the simulator.

include/asm-v850/stat.h

@@ -46,13 +46,13 @@ struct stat64 {
 	unsigned long	__unused4; /* future possible st_blocks high bits */
 
 	unsigned long	st_atime;
-	unsigned long	__unused5;
+	unsigned long	st_atime_nsec;
 
 	unsigned long	st_mtime;
-	unsigned long	__unused6;
+	unsigned long	st_mtime_nsec;
 
 	unsigned long	st_ctime;
-	unsigned long	__unused7; /* high 32 bits of ctime someday */
+	unsigned long	st_ctime_nsec;
 
 	unsigned long	__unused8;
 };

include/asm-v850/unistd.h

@@ -239,11 +239,18 @@
 #define SYSCALL_SHORT_CLOBBERS	SYSCALL_CLOBBERS, "r13", "r14"
 
 
+/* User programs sometimes end up including this header file
+   (indirectly, via uClibc header files), so I'm a bit nervous just
+   including <linux/compiler.h>.  */
+#if !defined(__builtin_expect) && __GNUC__ == 2 && __GNUC_MINOR__ < 96
+#define __builtin_expect(x, expected_value) (x)
+#endif
+
 #define __syscall_return(type, res)					      \
   do {									      \
 	  /* user-visible error numbers are in the range -1 - -124:	      \
 	     see <asm-v850/errno.h> */					      \
-	  if ((unsigned long)(res) >= (unsigned long)(-125)) {		      \
+	  if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-125), 0)) { \
 		  errno = -(res);					      \
 		  res = -1;						      \
 	  }								      \
@@ -340,6 +347,30 @@ type name (atype a, btype b, ctype c, dtype d, etype e)			      \
   __syscall_return (type, __ret);					      \
 }
 
+#if __GNUC__ < 3
+/* In older versions of gcc, `asm' statements with more than 10
+   input/output arguments produce a fatal error.  To work around this
+   problem, we use two versions, one for gcc-3.x and one for earlier
+   versions of gcc (the `earlier gcc' version doesn't work with gcc-3.x
+   because gcc-3.x doesn't allow clobbers to also be input arguments).  */
+#define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f)			      \
+  __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP			      \
+			: "=r" (ret), "=r" (syscall)			      \
+			: "1" (syscall),				      \
+			"r" (a), "r" (b), "r" (c), "r" (d),		      \
+ 			"r" (e), "r" (f)				      \
+			: SYSCALL_CLOBBERS, SYSCALL_ARG4, SYSCALL_ARG5);
+#else /* __GNUC__ >= 3 */
+#define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f)			      \
+  __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP			      \
+			: "=r" (ret), "=r" (syscall),			      \
+ 			"=r" (e), "=r" (f)				      \
+			: "1" (syscall),				      \
+			"r" (a), "r" (b), "r" (c), "r" (d),		      \
+			"2" (e), "3" (f)				      \
+			: SYSCALL_CLOBBERS);
+#endif
+
 #define _syscall6(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e, ftype, f) \
 type name (atype a, btype b, ctype c, dtype d, etype e, ftype f)	      \
 {									      \
@@ -351,13 +382,7 @@ type name (atype a, btype b, ctype c, dtype d, etype e, ftype f)	      \
   register etype __f __asm__ (SYSCALL_ARG5) = f;			      \
   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;	      \
   register unsigned long __ret __asm__ (SYSCALL_RET);			      \
-  __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP			      \
-			: "=r" (__ret), "=r" (__syscall), 		      \
- 			"=r" (__e), "=r" (__f)				      \
-			: "1" (__syscall),				      \
-			"r" (__a), "r" (__b), "r" (__c), "r" (__d),	      \
-			"2" (__e), "3" (__f)				      \
-			: SYSCALL_CLOBBERS);				      \
+  __SYSCALL6_TRAP(__syscall, __ret, __a, __b, __c, __d, __e, __f);	      \
   __syscall_return (type, __ret);					      \
 }
 		

include/linux/serial_core.h

@@ -55,6 +55,10 @@
 #define PORT_SUNZILOG	38
 #define PORT_SUNSAB	39
 
+/* NEC v850.  */
+#define PORT_NB85E_UART	40
+
+
 #ifdef __KERNEL__
 
 #include <linux/config.h>

kernel/sys.c

@@ -1189,7 +1189,7 @@ asmlinkage long sys_getrlimit(unsigned int resource, struct rlimit *rlim)
 			? -EFAULT : 0;
 }
 
-#if !defined(__ia64__) 
+#if !defined(__ia64__) && !defined(CONFIG_V850)
 
 /*
  *	Back compatibility for getrlimit. Needed for some apps.

sound/oss/vidc_fill.S

@@ -9,7 +9,6 @@
  *
  *  Filler routines for DMA buffers
  */
-#define __ASSEMBLY__
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/hardware.h>