Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Fix SLB initialization at boot time
  [POWERPC] Fix undefined reference to device_power_up/resume
  [POWERPC] cell: Update cell_defconfig for 2.6.23
  [POWERPC] axonram: Do not delete gendisks queue in error path
  [POWERPC] axonram: Module modification for latest firmware API changes
  [POWERPC] cell: Support pinhole-reset on IBM cell blades
  [POWERPC] spu_manage: Use newer physical-id attribute
  [POWERPC] pasemi: Another IOMMU bugfix for 64K PAGE_SIZE

arch/powerpc/mm/slb.c

@@ -74,6 +74,22 @@ static inline void slb_shadow_clear(unsigned long entry)
 	get_slb_shadow()->save_area[entry].esid = 0;
 }
 
+static inline void create_shadowed_slbe(unsigned long ea, unsigned long flags,
+					unsigned long entry)
+{
+	/*
+	 * Updating the shadow buffer before writing the SLB ensures
+	 * we don't get a stale entry here if we get preempted by PHYP
+	 * between these two statements.
+	 */
+	slb_shadow_update(ea, flags, entry);
+
+	asm volatile("slbmte  %0,%1" :
+		     : "r" (mk_vsid_data(ea, flags)),
+		       "r" (mk_esid_data(ea, entry))
+		     : "memory" );
+}
+
 void slb_flush_and_rebolt(void)
 {
 	/* If you change this make sure you change SLB_NUM_BOLTED
@@ -226,12 +242,16 @@ void slb_initialize(void)
 	vflags = SLB_VSID_KERNEL | vmalloc_llp;
 
 	/* Invalidate the entire SLB (even slot 0) & all the ERATS */
-	slb_shadow_update(PAGE_OFFSET, lflags, 0);
-	asm volatile("isync; slbia; sync; slbmte  %0,%1; isync" ::
-		     "r" (get_slb_shadow()->save_area[0].vsid),
-		     "r" (get_slb_shadow()->save_area[0].esid) : "memory");
-
-	slb_shadow_update(VMALLOC_START, vflags, 1);
-
-	slb_flush_and_rebolt();
+	asm volatile("isync":::"memory");
+	asm volatile("slbmte  %0,%0"::"r" (0) : "memory");
+	asm volatile("isync; slbia; isync":::"memory");
+	create_shadowed_slbe(PAGE_OFFSET, lflags, 0);
+
+	create_shadowed_slbe(VMALLOC_START, vflags, 1);
+
+	/* We don't bolt the stack for the time being - we're in boot,
+	 * so the stack is in the bolted segment.  By the time it goes
+	 * elsewhere, we'll call _switch() which will bolt in the new
+	 * one. */
+	asm volatile("isync":::"memory");
 }

arch/powerpc/platforms/cell/cbe_regs.h

@@ -113,10 +113,14 @@ struct cbe_pmd_regs {
 	u64	checkstop_fir;					/* 0x0c00 */
 	u64	recoverable_fir;				/* 0x0c08 */
 	u64	spec_att_mchk_fir;				/* 0x0c10 */
-	u64	fir_mode_reg;					/* 0x0c18 */
+	u32	fir_mode_reg;					/* 0x0c18 */
+	u8	pad_0x0c1c_0x0c20 [4];				/* 0x0c1c */
+#define CBE_PMD_FIR_MODE_M8		0x00800
 	u64	fir_enable_mask;				/* 0x0c20 */
 
-	u8	pad_0x0c28_0x1000 [0x1000 - 0x0c28];		/* 0x0c28 */
+	u8	pad_0x0c28_0x0ca8 [0x0ca8 - 0x0c28];		/* 0x0c28 */
+	u64	ras_esc_0;					/* 0x0ca8 */
+	u8	pad_0x0cb0_0x1000 [0x1000 - 0x0cb0];		/* 0x0cb0 */
 };
 
 extern struct cbe_pmd_regs __iomem *cbe_get_pmd_regs(struct device_node *np);

arch/powerpc/platforms/cell/cbe_thermal.c

@@ -88,17 +88,13 @@ static struct cbe_pmd_regs __iomem *get_pmd_regs(struct sys_device *sysdev)
 /* returns the value for a given spu in a given register */
 static u8 spu_read_register_value(struct sys_device *sysdev, union spe_reg __iomem *reg)
 {
-	const unsigned int *id;
 	union spe_reg value;
 	struct spu *spu;
 
-	/* getting the id from the reg attribute will not work on future device-tree layouts
-	 * in future we should store the id to the spu struct and use it here */
 	spu = container_of(sysdev, struct spu, sysdev);
-	id = of_get_property(spu_devnode(spu), "reg", NULL);
 	value.val = in_be64(&reg->val);
 
-	return value.spe[*id];
+	return value.spe[spu->spe_id];
 }
 
 static ssize_t spu_show_temp(struct sys_device *sysdev, char *buf)

arch/powerpc/platforms/cell/pervasive.c

@@ -38,6 +38,8 @@
 #include "pervasive.h"
 #include "cbe_regs.h"
 
+static int sysreset_hack;
+
 static void cbe_power_save(void)
 {
 	unsigned long ctrl, thread_switch_control;
@@ -85,6 +87,9 @@ static void cbe_power_save(void)
 
 static int cbe_system_reset_exception(struct pt_regs *regs)
 {
+	int cpu;
+	struct cbe_pmd_regs __iomem *pmd;
+
 	switch (regs->msr & SRR1_WAKEMASK) {
 	case SRR1_WAKEEE:
 		do_IRQ(regs);
@@ -93,6 +98,18 @@ static int cbe_system_reset_exception(struct pt_regs *regs)
 		timer_interrupt(regs);
 		break;
 	case SRR1_WAKEMT:
+		/*
+		 * The BMC can inject user triggered system reset exceptions,
+		 * but cannot set the system reset reason in srr1,
+		 * so check an extra register here.
+		 */
+		if (sysreset_hack && (cpu = smp_processor_id()) == 0) {
+			pmd = cbe_get_cpu_pmd_regs(cpu);
+			if (in_be64(&pmd->ras_esc_0) & 0xffff) {
+				out_be64(&pmd->ras_esc_0, 0);
+				return 0;
+			}
+		}
 		break;
 #ifdef CONFIG_CBE_RAS
 	case SRR1_WAKESYSERR:
@@ -113,9 +130,12 @@ static int cbe_system_reset_exception(struct pt_regs *regs)
 void __init cbe_pervasive_init(void)
 {
 	int cpu;
+
 	if (!cpu_has_feature(CPU_FTR_PAUSE_ZERO))
 		return;
 
+	sysreset_hack = machine_is_compatible("IBM,CBPLUS-1.0");
+
 	for_each_possible_cpu(cpu) {
 		struct cbe_pmd_regs __iomem *regs = cbe_get_cpu_pmd_regs(cpu);
 		if (!regs)
@@ -124,6 +144,12 @@ void __init cbe_pervasive_init(void)
 		 /* Enable Pause(0) control bit */
 		out_be64(&regs->pmcr, in_be64(&regs->pmcr) |
 					    CBE_PMD_PAUSE_ZERO_CONTROL);
+
+		/* Enable JTAG system-reset hack */
+		if (sysreset_hack)
+			out_be32(&regs->fir_mode_reg,
+				in_be32(&regs->fir_mode_reg) |
+				CBE_PMD_FIR_MODE_M8);
 	}
 
 	ppc_md.power_save = cbe_power_save;

arch/powerpc/platforms/cell/spu_manage.c

@@ -48,7 +48,7 @@ static u64 __init find_spu_unit_number(struct device_node *spe)
 {
 	const unsigned int *prop;
 	int proplen;
-	prop = of_get_property(spe, "unit-id", &proplen);
+	prop = of_get_property(spe, "physical-id", &proplen);
 	if (proplen == 4)
 		return (u64)*prop;
 

arch/powerpc/platforms/pasemi/iommu.c

@@ -93,7 +93,7 @@ static void iobmap_build(struct iommu_table *tbl, long index,
 
 	pr_debug("iobmap: build at: %lx, %lx, addr: %lx\n", index, npages, uaddr);
 
-	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
+	bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
 
 	ip = ((u32 *)tbl->it_base) + index;
 
@@ -118,7 +118,7 @@ static void iobmap_free(struct iommu_table *tbl, long index,
 
 	pr_debug("iobmap: free at: %lx, %lx\n", index, npages);
 
-	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
+	bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
 
 	ip = ((u32 *)tbl->it_base) + index;
 
@@ -137,7 +137,7 @@ static void iommu_table_iobmap_setup(void)
 	iommu_table_iobmap.it_busno = 0;
 	iommu_table_iobmap.it_offset = 0;
 	/* it_size is in number of entries */
-	iommu_table_iobmap.it_size = 0x80000000 >> PAGE_SHIFT;
+	iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT;
 
 	/* Initialize the common IOMMU code */
 	iommu_table_iobmap.it_base = (unsigned long)iob_l2_base;

arch/powerpc/sysdev/axonram.c

@@ -59,8 +59,7 @@
 struct axon_ram_bank {
 	struct of_device	*device;
 	struct gendisk		*disk;
-	unsigned int		irq_correctable;
-	unsigned int		irq_uncorrectable;
+	unsigned int		irq_id;
 	unsigned long		ph_addr;
 	unsigned long		io_addr;
 	unsigned long		size;
@@ -93,16 +92,9 @@ axon_ram_irq_handler(int irq, void *dev)
 
 	BUG_ON(!bank);
 
-	if (irq == bank->irq_correctable) {
 	dev_err(&device->dev, "Correctable memory error occured\n");
 	bank->ecc_counter++;
 	return IRQ_HANDLED;
-	} else if (irq == bank->irq_uncorrectable) {
-		dev_err(&device->dev, "Uncorrectable memory error occured\n");
-		panic("Critical ECC error on %s", device->node->full_name);
-	}
-
-	return IRQ_NONE;
 }
 
 /**
@@ -259,28 +251,18 @@ axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
 	blk_queue_hardsect_size(bank->disk->queue, AXON_RAM_SECTOR_SIZE);
 	add_disk(bank->disk);
 
-	bank->irq_correctable = irq_of_parse_and_map(device->node, 0);
-	bank->irq_uncorrectable = irq_of_parse_and_map(device->node, 1);
-	if ((bank->irq_correctable <= 0) || (bank->irq_uncorrectable <= 0)) {
+	bank->irq_id = irq_of_parse_and_map(device->node, 0);
+	if (bank->irq_id == NO_IRQ) {
 		dev_err(&device->dev, "Cannot access ECC interrupt ID\n");
 		rc = -EFAULT;
 		goto failed;
 	}
 
-	rc = request_irq(bank->irq_correctable, axon_ram_irq_handler,
-			AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device);
-	if (rc != 0) {
-		dev_err(&device->dev, "Cannot register ECC interrupt handler\n");
-		bank->irq_correctable = bank->irq_uncorrectable = 0;
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	rc = request_irq(bank->irq_uncorrectable, axon_ram_irq_handler,
+	rc = request_irq(bank->irq_id, axon_ram_irq_handler,
 			AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device);
 	if (rc != 0) {
 		dev_err(&device->dev, "Cannot register ECC interrupt handler\n");
-		bank->irq_uncorrectable = 0;
+		bank->irq_id = NO_IRQ;
 		rc = -EFAULT;
 		goto failed;
 	}
@@ -296,13 +278,9 @@ axon_ram_probe(struct of_device *device, const struct of_device_id *device_id)
 
 failed:
 	if (bank != NULL) {
-		if (bank->irq_uncorrectable > 0)
-			free_irq(bank->irq_uncorrectable, device);
-		if (bank->irq_correctable > 0)
-			free_irq(bank->irq_correctable, device);
+		if (bank->irq_id != NO_IRQ)
+			free_irq(bank->irq_id, device);
 		if (bank->disk != NULL) {
-			if (bank->disk->queue != NULL)
-				blk_cleanup_queue(bank->disk->queue);
 			if (bank->disk->major > 0)
 				unregister_blkdev(bank->disk->major,
 						bank->disk->disk_name);
@@ -329,9 +307,7 @@ axon_ram_remove(struct of_device *device)
 	BUG_ON(!bank || !bank->disk);
 
 	device_remove_file(&device->dev, &dev_attr_ecc);
-	free_irq(bank->irq_uncorrectable, device);
-	free_irq(bank->irq_correctable, device);
-	blk_cleanup_queue(bank->disk->queue);
+	free_irq(bank->irq_id, device);
 	unregister_blkdev(bank->disk->major, bank->disk->disk_name);
 	del_gendisk(bank->disk);
 	iounmap((void __iomem *) bank->io_addr);

drivers/macintosh/adb.c

@@ -89,7 +89,7 @@ static int sleepy_trackpad;
 static int autopoll_devs;
 int __adb_probe_sync;
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static void adb_notify_sleep(struct pmu_sleep_notifier *self, int when);
 static struct pmu_sleep_notifier adb_sleep_notifier = {
 	adb_notify_sleep,
@@ -313,7 +313,7 @@ int __init adb_init(void)
 		printk(KERN_WARNING "Warning: no ADB interface detected\n");
 		adb_controller = NULL;
 	} else {
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 		pmu_register_sleep_notifier(&adb_sleep_notifier);
 #endif /* CONFIG_PM */
 #ifdef CONFIG_PPC

drivers/macintosh/via-pmu.c

@@ -152,10 +152,10 @@ static spinlock_t pmu_lock;
 static u8 pmu_intr_mask;
 static int pmu_version;
 static int drop_interrupts;
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 static int option_lid_wakeup = 1;
-#endif /* CONFIG_PM && CONFIG_PPC32 */
-#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY)
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
+#if (defined(CONFIG_PM_SLEEP)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY)
 static int sleep_in_progress;
 #endif
 static unsigned long async_req_locks;
@@ -875,7 +875,7 @@ proc_read_options(char *page, char **start, off_t off,
 {
 	char *p = page;
 
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 	if (pmu_kind == PMU_KEYLARGO_BASED &&
 	    pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
 		p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup);
@@ -916,7 +916,7 @@ proc_write_options(struct file *file, const char __user *buffer,
 	*(val++) = 0;
 	while(*val == ' ')
 		val++;
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 	if (pmu_kind == PMU_KEYLARGO_BASED &&
 	    pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
 		if (!strcmp(label, "lid_wakeup"))
@@ -1738,7 +1738,7 @@ pmu_present(void)
 	return via != 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 
 static LIST_HEAD(sleep_notifiers);
 
@@ -1769,9 +1769,9 @@ pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n)
 	return 0;
 }
 EXPORT_SYMBOL(pmu_unregister_sleep_notifier);
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 
 /* Sleep is broadcast last-to-first */
 static void broadcast_sleep(int when)
@@ -2390,7 +2390,7 @@ powerbook_sleep_3400(void)
 	return 0;
 }
 
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 
 /*
  * Support for /dev/pmu device
@@ -2573,7 +2573,7 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 	int error = -EINVAL;
 
 	switch (cmd) {
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 	case PMU_IOC_SLEEP:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EACCES;
@@ -2601,7 +2601,7 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 			return put_user(0, argp);
 		else
 			return put_user(1, argp);
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 
 #ifdef CONFIG_PMAC_BACKLIGHT_LEGACY
 	/* Compatibility ioctl's for backlight */
@@ -2757,7 +2757,7 @@ pmu_polled_request(struct adb_request *req)
  * to do suspend-to-disk.
  */
 
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 
 int pmu_sys_suspended;
 
@@ -2792,7 +2792,7 @@ static int pmu_sys_resume(struct sys_device *sysdev)
 	return 0;
 }
 
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 
 static struct sysdev_class pmu_sysclass = {
 	set_kset_name("pmu"),
@@ -2803,10 +2803,10 @@ static struct sys_device device_pmu = {
 };
 
 static struct sysdev_driver driver_pmu = {
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 	.suspend	= &pmu_sys_suspend,
 	.resume		= &pmu_sys_resume,
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 };
 
 static int __init init_pmu_sysfs(void)
@@ -2841,10 +2841,10 @@ EXPORT_SYMBOL(pmu_wait_complete);
 EXPORT_SYMBOL(pmu_suspend);
 EXPORT_SYMBOL(pmu_resume);
 EXPORT_SYMBOL(pmu_unlock);
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 EXPORT_SYMBOL(pmu_enable_irled);
 EXPORT_SYMBOL(pmu_battery_count);
 EXPORT_SYMBOL(pmu_batteries);
 EXPORT_SYMBOL(pmu_power_flags);
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 

include/linux/pmu.h

@@ -226,7 +226,7 @@ extern unsigned int pmu_power_flags;
 extern void pmu_backlight_init(void);
 
 /* some code needs to know if the PMU was suspended for hibernation */
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32)
 extern int pmu_sys_suspended;
 #else
 /* if power management is not configured it can't be suspended */