Merge bk://kernel.bkbits.net/gregkh/linux/i2c-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

drivers/i2c/busses/Kconfig

@@ -51,6 +51,19 @@ config I2C_AMD756
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-amd756.
 
+config I2C_AMD756_S4882
+	tristate "SMBus multiplexing on the Tyan S4882"
+	depends on I2C_AMD756 && EXPERIMENTAL
+	help
+	  Enabling this option will add specific SMBus support for the Tyan
+	  S4882 motherboard.  On this 4-CPU board, the SMBus is multiplexed
+	  over 8 different channels, where the various memory module EEPROMs
+	  and temperature sensors live.  Saying yes here will give you access
+	  to these in addition to the trunk.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-amd756-s4882.
+
 config I2C_AMD8111
 	tristate "AMD 8111"
 	depends on I2C && PCI && EXPERIMENTAL

drivers/i2c/busses/Makefile

@@ -6,6 +6,7 @@ obj-$(CONFIG_I2C_ALI1535)	+= i2c-ali1535.o
 obj-$(CONFIG_I2C_ALI1563)	+= i2c-ali1563.o
 obj-$(CONFIG_I2C_ALI15X3)	+= i2c-ali15x3.o
 obj-$(CONFIG_I2C_AMD756)	+= i2c-amd756.o
+obj-$(CONFIG_I2C_AMD756_S4882)	+= i2c-amd756-s4882.o
 obj-$(CONFIG_I2C_AMD8111)	+= i2c-amd8111.o
 obj-$(CONFIG_I2C_ELEKTOR)	+= i2c-elektor.o
 obj-$(CONFIG_I2C_HYDRA)		+= i2c-hydra.o

drivers/i2c/busses/i2c-ali1535.c

@@ -137,7 +137,7 @@
 
 
 static unsigned short ali1535_smba;
-DECLARE_MUTEX(i2c_ali1535_sem);
+static DECLARE_MUTEX(i2c_ali1535_sem);
 
 /* Detect whether a ALI1535 can be found, and initialize it, where necessary.
    Note the differences between kernels with the old PCI BIOS interface and
@@ -465,7 +465,7 @@ static s32 ali1535_access(struct i2c_adapter *adap, u16 addr,
 }
 
 
-u32 ali1535_func(struct i2c_adapter *adapter)
+static u32 ali1535_func(struct i2c_adapter *adapter)
 {
 	return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
 	    I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |

drivers/i2c/busses/i2c-amd756-s4882.c

+/*
+ * i2c-amd756-s4882.c - i2c-amd756 extras for the Tyan S4882 motherboard
+ *
+ * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+ 
+/*
+ * We select the channels by sending commands to the Philips
+ * PCA9556 chip at I2C address 0x18. The main adapter is used for
+ * the non-multiplexed part of the bus, and 4 virtual adapters
+ * are defined for the multiplexed addresses: 0x50-0x53 (memory
+ * module EEPROM) located on channels 1-4, and 0x4c (LM63)
+ * located on multiplexed channels 0 and 5-7. We define one
+ * virtual adapter per CPU, which corresponds to two multiplexed
+ * channels:
+ *   CPU0: virtual adapter 1, channels 1 and 0
+ *   CPU1: virtual adapter 2, channels 2 and 5
+ *   CPU2: virtual adapter 3, channels 3 and 6
+ *   CPU3: virtual adapter 4, channels 4 and 7
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+
+extern struct i2c_adapter amd756_smbus;
+
+static struct i2c_adapter *s4882_adapter;
+static struct i2c_algorithm *s4882_algo;
+
+/* Wrapper access functions for multiplexed SMBus */
+static struct semaphore amd756_lock;
+
+static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr,
+			       unsigned short flags, char read_write,
+			       u8 command, int size,
+			       union i2c_smbus_data * data)
+{
+	int error;
+
+	/* We exclude the multiplexed addresses */
+	if (addr == 0x4c || (addr & 0xfc) == 0x50 || (addr & 0xfc) == 0x30
+	 || addr == 0x18)
+		return -1;
+
+	down(&amd756_lock);
+
+	error = amd756_smbus.algo->smbus_xfer(adap, addr, flags, read_write,
+					      command, size, data);
+
+	up(&amd756_lock);
+
+	return error;
+}
+
+/* We remember the last used channels combination so as to only switch
+   channels when it is really needed. This greatly reduces the SMBus
+   overhead, but also assumes that nobody will be writing to the PCA9556
+   in our back. */
+static u8 last_channels;
+
+static inline s32 amd756_access_channel(struct i2c_adapter * adap, u16 addr,
+					unsigned short flags, char read_write,
+					u8 command, int size,
+					union i2c_smbus_data * data,
+					u8 channels)
+{
+	int error;
+
+	/* We exclude the non-multiplexed addresses */
+	if (addr != 0x4c && (addr & 0xfc) != 0x50 && (addr & 0xfc) != 0x30)
+		return -1;
+
+	down(&amd756_lock);
+
+	if (last_channels != channels) {
+		union i2c_smbus_data mplxdata;
+		mplxdata.byte = channels;
+
+		error = amd756_smbus.algo->smbus_xfer(adap, 0x18, 0,
+						      I2C_SMBUS_WRITE, 0x01,
+						      I2C_SMBUS_BYTE_DATA,
+						      &mplxdata);
+		if (error)
+			goto UNLOCK;
+		last_channels = channels;
+	}
+	error = amd756_smbus.algo->smbus_xfer(adap, addr, flags, read_write,
+					      command, size, data);
+
+UNLOCK:
+	up(&amd756_lock);
+	return error;
+}
+
+static s32 amd756_access_virt1(struct i2c_adapter * adap, u16 addr,
+			       unsigned short flags, char read_write,
+			       u8 command, int size,
+			       union i2c_smbus_data * data)
+{
+	/* CPU0: channels 1 and 0 enabled */
+	return amd756_access_channel(adap, addr, flags, read_write, command,
+				     size, data, 0x03);
+}
+
+static s32 amd756_access_virt2(struct i2c_adapter * adap, u16 addr,
+			       unsigned short flags, char read_write,
+			       u8 command, int size,
+			       union i2c_smbus_data * data)
+{
+	/* CPU1: channels 2 and 5 enabled */
+	return amd756_access_channel(adap, addr, flags, read_write, command,
+				     size, data, 0x24);
+}
+
+static s32 amd756_access_virt3(struct i2c_adapter * adap, u16 addr,
+			       unsigned short flags, char read_write,
+			       u8 command, int size,
+			       union i2c_smbus_data * data)
+{
+	/* CPU2: channels 3 and 6 enabled */
+	return amd756_access_channel(adap, addr, flags, read_write, command,
+				     size, data, 0x48);
+}
+
+static s32 amd756_access_virt4(struct i2c_adapter * adap, u16 addr,
+			       unsigned short flags, char read_write,
+			       u8 command, int size,
+			       union i2c_smbus_data * data)
+{
+	/* CPU3: channels 4 and 7 enabled */
+	return amd756_access_channel(adap, addr, flags, read_write, command,
+				     size, data, 0x90);
+}
+
+static int __init amd756_s4882_init(void)
+{
+	int i, error;
+	union i2c_smbus_data ioconfig;
+
+	/* Unregister physical bus */
+	error = i2c_del_adapter(&amd756_smbus);
+	if (error) {
+		if (error != -EINVAL)
+			dev_err(&amd756_smbus.dev, "Physical bus removal "
+				"failed\n");
+		goto ERROR0;
+	}
+
+	printk(KERN_INFO "Enabling SMBus multiplexing for Tyan S4882\n");
+	init_MUTEX(&amd756_lock);
+
+	/* Define the 5 virtual adapters and algorithms structures */
+	if (!(s4882_adapter = kmalloc(5 * sizeof(struct i2c_adapter),
+				      GFP_KERNEL))) {
+		error = -ENOMEM;
+		goto ERROR1;
+	}
+	if (!(s4882_algo = kmalloc(5 * sizeof(struct i2c_algorithm),
+				   GFP_KERNEL))) {
+		error = -ENOMEM;
+		goto ERROR2;
+	}
+
+	/* Fill in the new structures */
+	s4882_algo[0] = *(amd756_smbus.algo);
+	s4882_algo[0].smbus_xfer = amd756_access_virt0;
+	s4882_adapter[0] = amd756_smbus;
+	s4882_adapter[0].algo = s4882_algo;
+	for (i = 1; i < 5; i++) {
+		s4882_algo[i] = *(amd756_smbus.algo);
+		s4882_adapter[i] = amd756_smbus;
+		sprintf(s4882_adapter[i].name,
+			"SMBus 8111 adapter (CPU%d)", i-1);
+		s4882_adapter[i].algo = s4882_algo+i;
+	}
+	s4882_algo[1].smbus_xfer = amd756_access_virt1;
+	s4882_algo[2].smbus_xfer = amd756_access_virt2;
+	s4882_algo[3].smbus_xfer = amd756_access_virt3;
+	s4882_algo[4].smbus_xfer = amd756_access_virt4;
+
+	/* Configure the PCA9556 multiplexer */
+	ioconfig.byte = 0x00; /* All I/O to output mode */
+	error = amd756_smbus.algo->smbus_xfer(&amd756_smbus, 0x18, 0,
+					      I2C_SMBUS_WRITE, 0x03,
+					      I2C_SMBUS_BYTE_DATA, &ioconfig);
+	if (error) {
+		dev_dbg(&amd756_smbus.dev, "PCA9556 configuration failed\n");
+		error = -EIO;
+		goto ERROR3;
+	}
+
+	/* Register virtual adapters */
+	for (i = 0; i < 5; i++) {
+		error = i2c_add_adapter(s4882_adapter+i);
+		if (error) {
+			dev_err(&amd756_smbus.dev,
+			       "Virtual adapter %d registration "
+			       "failed, module not inserted\n", i);
+			for (i--; i >= 0; i--)
+				i2c_del_adapter(s4882_adapter+i);
+			goto ERROR3;
+		}
+	}
+
+	return 0;
+
+ERROR3:
+	kfree(s4882_algo);
+	s4882_algo = NULL;
+ERROR2:
+	kfree(s4882_adapter);
+	s4882_adapter = NULL;
+ERROR1:
+	i2c_del_adapter(&amd756_smbus);
+ERROR0:
+	return error;
+}
+
+static void __exit amd756_s4882_exit(void)
+{
+	if (s4882_adapter) {
+		int i;
+
+		for (i = 0; i < 5; i++)
+			i2c_del_adapter(s4882_adapter+i);
+		kfree(s4882_adapter);
+		s4882_adapter = NULL;
+	}
+	if (s4882_algo) {
+		kfree(s4882_algo);
+		s4882_algo = NULL;
+	}
+
+	/* Restore physical bus */
+	if (i2c_add_adapter(&amd756_smbus))
+		dev_err(&amd756_smbus.dev, "Physical bus restoration "
+			"failed\n");
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("S4882 SMBus multiplexing");
+MODULE_LICENSE("GPL");
+
+module_init(amd756_s4882_init);
+module_exit(amd756_s4882_exit);

drivers/i2c/busses/i2c-amd756.c

@@ -302,7 +302,7 @@ static struct i2c_algorithm smbus_algorithm = {
 	.functionality	= amd756_func,
 };
 
-static struct i2c_adapter amd756_adapter = {
+struct i2c_adapter amd756_smbus = {
 	.owner		= THIS_MODULE,
 	.class          = I2C_CLASS_HWMON,
 	.algo		= &smbus_algorithm,
@@ -374,12 +374,12 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
 	dev_dbg(&pdev->dev, "AMD756_smba = 0x%X\n", amd756_ioport);
 
 	/* set up the driverfs linkage to our parent device */
-	amd756_adapter.dev.parent = &pdev->dev;
+	amd756_smbus.dev.parent = &pdev->dev;
 
-	sprintf(amd756_adapter.name, "SMBus %s adapter at %04x",
+	sprintf(amd756_smbus.name, "SMBus %s adapter at %04x",
 		chipname[id->driver_data], amd756_ioport);
 
-	error = i2c_add_adapter(&amd756_adapter);
+	error = i2c_add_adapter(&amd756_smbus);
 	if (error) {
 		dev_err(&pdev->dev,
 			"Adapter registration failed, module not inserted\n");
@@ -395,7 +395,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
 
 static void __devexit amd756_remove(struct pci_dev *dev)
 {
-	i2c_del_adapter(&amd756_adapter);
+	i2c_del_adapter(&amd756_smbus);
 	release_region(amd756_ioport, SMB_IOSIZE);
 }
 
@@ -420,5 +420,7 @@ MODULE_AUTHOR("Merlin Hughes <merlin@merlin.org>");
 MODULE_DESCRIPTION("AMD756/766/768/8111 and nVidia nForce SMBus driver");
 MODULE_LICENSE("GPL");
 
+EXPORT_SYMBOL(amd756_smbus);
+
 module_init(amd756_init)
 module_exit(amd756_exit)

drivers/i2c/busses/i2c-amd8111.c

@@ -67,7 +67,7 @@ struct amd_smbus {
  * ACPI 2.0 chapter 13 access of registers of the EC
  */
 
-unsigned int amd_ec_wait_write(struct amd_smbus *smbus)
+static unsigned int amd_ec_wait_write(struct amd_smbus *smbus)
 {
 	int timeout = 500;
 
@@ -82,7 +82,7 @@ unsigned int amd_ec_wait_write(struct amd_smbus *smbus)
 	return 0;
 }
 
-unsigned int amd_ec_wait_read(struct amd_smbus *smbus)
+static unsigned int amd_ec_wait_read(struct amd_smbus *smbus)
 {
 	int timeout = 500;
 
@@ -97,7 +97,7 @@ unsigned int amd_ec_wait_read(struct amd_smbus *smbus)
 	return 0;
 }
 
-unsigned int amd_ec_read(struct amd_smbus *smbus, unsigned char address, unsigned char *data)
+static unsigned int amd_ec_read(struct amd_smbus *smbus, unsigned char address, unsigned char *data)
 {
 	if (amd_ec_wait_write(smbus))
 		return -1;
@@ -114,7 +114,7 @@ unsigned int amd_ec_read(struct amd_smbus *smbus, unsigned char address, unsigne
 	return 0;
 }
 
-unsigned int amd_ec_write(struct amd_smbus *smbus, unsigned char address, unsigned char data)
+static unsigned int amd_ec_write(struct amd_smbus *smbus, unsigned char address, unsigned char data)
 {
 	if (amd_ec_wait_write(smbus))
 		return -1;
@@ -174,7 +174,7 @@ unsigned int amd_ec_write(struct amd_smbus *smbus, unsigned char address, unsign
 #define AMD_SMB_PRTCL_PEC		0x80
 
 
-s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
+static s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 		char read_write, u8 command, int size, union i2c_smbus_data * data)
 {
 	struct amd_smbus *smbus = adap->algo_data;
@@ -315,7 +315,7 @@ s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 }
 
 
-u32 amd8111_func(struct i2c_adapter *adapter)
+static u32 amd8111_func(struct i2c_adapter *adapter)
 {
 	return	I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA |
 		I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA |

drivers/i2c/busses/i2c-ibm_iic.c

@@ -412,18 +412,12 @@ static int iic_wait_for_tc(struct ibm_iic_private* dev){
 	
 	if (dev->irq >= 0){
 		/* Interrupt mode */
-		wait_queue_t wait;
-    		init_waitqueue_entry(&wait, current);
-		
-		add_wait_queue(&dev->wq, &wait);
-		if (in_8(&iic->sts) & STS_PT)
-			msleep_interruptible(dev->adap.timeout * 1000);
-		remove_wait_queue(&dev->wq, &wait);
-		
-		if (unlikely(signal_pending(current))){
+		ret = wait_event_interruptible_timeout(dev->wq, 
+			!(in_8(&iic->sts) & STS_PT), dev->adap.timeout * HZ);
+
+		if (unlikely(ret < 0))
 			DBG("%d: wait interrupted\n", dev->idx);
-			ret = -ERESTARTSYS;
-		} else if (unlikely(in_8(&iic->sts) & STS_PT)){
+		else if (unlikely(in_8(&iic->sts) & STS_PT)){
 			DBG("%d: wait timeout\n", dev->idx);
 			ret = -ETIMEDOUT;
 		}

drivers/i2c/busses/i2c-s3c2410.c

@@ -36,6 +36,7 @@
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
+#include <asm/io.h>
 
 #include <asm/hardware/clock.h>
 #include <asm/arch/regs-gpio.h>
@@ -71,7 +72,7 @@ struct s3c24xx_i2c {
 	struct i2c_adapter	adap;
 };
 
-/* default platform data to use if not supplied in the platfrom_device
+/* default platform data to use if not supplied in the platform_device
 */
 
 static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = {
@@ -79,8 +80,21 @@ static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = {
 	.slave_addr	= 0x10,
 	.bus_freq	= 100*1000,
 	.max_freq	= 400*1000,
+	.sda_delay	= S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
 };
 
+/* s3c24xx_i2c_is2440()
+ *
+ * return true is this is an s3c2440
+*/
+
+static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c)
+{
+	struct platform_device *pdev = to_platform_device(i2c->dev);
+
+	return !strcmp(pdev->name, "s3c2440-i2c");
+}
+
 
 /* s3c24xx_i2c_get_platformdata
  *
@@ -163,10 +177,9 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
 {
 	unsigned int addr = (msg->addr & 0x7f) << 1;
 	unsigned long stat;
+	unsigned long iiccon;
 
-	stat = readl(i2c->regs + S3C2410_IICSTAT);
-	stat &= ~S3C2410_IICSTAT_MODEMASK;
-	stat |=  S3C2410_IICSTAT_START;
+	stat = 0;
 	stat |=  S3C2410_IICSTAT_TXRXEN;
 
 	if (msg->flags & I2C_M_RD) {
@@ -178,8 +191,18 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
 	// todo - check for wether ack wanted or not
 	s3c24xx_i2c_enable_ack(i2c);
 
+	iiccon = readl(i2c->regs + S3C2410_IICCON);
+	writel(stat, i2c->regs + S3C2410_IICSTAT);
+	
 	dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr);
 	writeb(addr, i2c->regs + S3C2410_IICDS);
+	
+	// delay a bit and reset iiccon before setting start (per samsung)
+	udelay(1);
+	dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon);
+	writel(iiccon, i2c->regs + S3C2410_IICCON);
+	
+	stat |=  S3C2410_IICSTAT_START;
 	writel(stat, i2c->regs + S3C2410_IICSTAT);
 }
 
@@ -264,6 +287,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
 		    !(i2c->msg->flags & I2C_M_IGNORE_NAK)) {
 			/* ack was not received... */
 
+			dev_err(i2c->dev, "ack was not received\n" );
 			s3c24xx_i2c_stop(i2c, -EREMOTEIO);
 			goto out_ack;
 		}
@@ -407,6 +431,7 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id,
 
 	if (status & S3C2410_IICSTAT_ARBITR) {
 		// deal with arbitration loss
+		dev_err(i2c->dev, "deal with arbitration loss\n");
 	}
 
 	if (i2c->state == STATE_IDLE) {
@@ -534,7 +559,6 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
 
 static struct i2c_algorithm s3c24xx_i2c_algorithm = {
 	.name			= "S3C2410-I2C-Algorithm",
-	.id			= I2C_ALGO_S3C2410,
 	.master_xfer		= s3c24xx_i2c_xfer,
 };
 
@@ -543,7 +567,6 @@ static struct s3c24xx_i2c s3c24xx_i2c = {
 	.wait	= __WAIT_QUEUE_HEAD_INITIALIZER(s3c24xx_i2c.wait),
 	.adap	= {
 		.name			= "s3c2410-i2c",
-		.id			= I2C_ALGO_S3C2410,
 		.algo			= &s3c24xx_i2c_algorithm,
 		.retries		= 2,
 	},
@@ -576,7 +599,7 @@ static int s3c24xx_i2c_calcdivisor(unsigned long clkin, unsigned int wanted,
 	*divs = calc_divs;
 	*div1 = calc_div1;
 
-	return clkin / (calc_divs + calc_div1);
+	return clkin / (calc_divs * calc_div1);
 }
 
 /* freq_acceptable
@@ -684,6 +707,17 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
 	/* todo - check that the i2c lines aren't being dragged anywhere */
 
 	dev_info(i2c->dev, "bus frequency set to %d KHz\n", freq);
+	dev_dbg(i2c->dev, "S3C2410_IICCON=0x%02lx\n", iicon);
+	
+	writel(iicon, i2c->regs + S3C2410_IICCON);
+
+	/* check for s3c2440 i2c controller  */
+
+	if (s3c24xx_i2c_is2440(i2c)) {
+		dev_dbg(i2c->dev, "S3C2440_IICLC=%08x\n", pdata->sda_delay);
+
+		writel(pdata->sda_delay, i2c->regs + S3C2440_IICLC);
+	}
 
 	return 0;
 }
@@ -851,7 +885,7 @@ static int s3c24xx_i2c_resume(struct device *dev, u32 level)
 
 /* device driver for platform bus bits */
 
-static struct device_driver s3c24xx_i2c_driver = {
+static struct device_driver s3c2410_i2c_driver = {
 	.name		= "s3c2410-i2c",
 	.bus		= &platform_bus_type,
 	.probe		= s3c24xx_i2c_probe,
@@ -859,14 +893,29 @@ static struct device_driver s3c24xx_i2c_driver = {
 	.resume		= s3c24xx_i2c_resume,
 };
 
+static struct device_driver s3c2440_i2c_driver = {
+	.name		= "s3c2440-i2c",
+	.bus		= &platform_bus_type,
+	.probe		= s3c24xx_i2c_probe,
+	.remove		= s3c24xx_i2c_remove,
+	.resume		= s3c24xx_i2c_resume,
+};
+
 static int __init i2c_adap_s3c_init(void)
 {
-	return driver_register(&s3c24xx_i2c_driver);
+	int ret;
+
+	ret = driver_register(&s3c2410_i2c_driver);
+	if (ret == 0)
+		ret = driver_register(&s3c2440_i2c_driver); 
+
+	return ret;
 }
 
-static void i2c_adap_s3c_exit(void)
+static void __exit i2c_adap_s3c_exit(void)
 {
-	return driver_unregister(&s3c24xx_i2c_driver);
+	driver_unregister(&s3c2410_i2c_driver);
+	driver_unregister(&s3c2440_i2c_driver);
 }
 
 module_init(i2c_adap_s3c_init);

drivers/i2c/busses/scx200_acb.c

@@ -402,9 +402,9 @@ static struct i2c_algorithm scx200_acb_algorithm = {
 	.functionality	= scx200_acb_func,
 };
 
-struct scx200_acb_iface *scx200_acb_list;
+static struct scx200_acb_iface *scx200_acb_list;
 
-int scx200_acb_probe(struct scx200_acb_iface *iface)
+static int scx200_acb_probe(struct scx200_acb_iface *iface)
 {
 	u8 val;
 

drivers/i2c/busses/scx200_i2c.c

@@ -86,7 +86,7 @@ static struct i2c_adapter scx200_i2c_ops = {
 	.name	= "NatSemi SCx200 I2C",
 };
 
-int scx200_i2c_init(void)
+static int scx200_i2c_init(void)
 {
 	pr_debug(NAME ": NatSemi SCx200 I2C Driver\n");
 
@@ -115,7 +115,7 @@ int scx200_i2c_init(void)
 	return 0;
 }
 
-void scx200_i2c_cleanup(void)
+static void scx200_i2c_cleanup(void)
 {
 	i2c_bit_del_bus(&scx200_i2c_ops);
 }

drivers/i2c/chips/Kconfig

@@ -97,6 +97,19 @@ config SENSORS_IT87
 	  This driver can also be built as a module.  If so, the module
 	  will be called it87.
 
+config SENSORS_LM63
+	tristate "National Semiconductor LM63"
+	depends on I2C && EXPERIMENTAL
+	select I2C_SENSOR
+	help
+	  If you say yes here you get support for the National Semiconductor
+	  LM63 remote diode digital temperature sensor with integrated fan
+	  control.  Such chips are found on the Tyan S4882 (Thunder K8QS Pro)
+	  motherboard, among others.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called lm63.
+
 config SENSORS_LM75
 	tristate "National Semiconductor LM75 and compatibles"
 	depends on I2C && EXPERIMENTAL
@@ -202,6 +215,21 @@ config SENSORS_MAX1619
 	  This driver can also be built as a module.  If so, the module
 	  will be called max1619.
 
+config SENSORS_PC87360
+	tristate "National Semiconductor PC87360 family"
+	depends on I2C && EXPERIMENTAL
+	select I2C_SENSOR
+	select I2C_ISA
+	help
+	  If you say yes here you get access to the hardware monitoring
+	  functions of the National Semiconductor PC8736x Super-I/O chips.
+	  The PC87360, PC87363 and PC87364 only have fan monitoring and
+	  control.  The PC87365 and PC87366 additionally have voltage and
+	  temperature monitoring.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called pc87360.
+
 config SENSORS_SMSC47M1
 	tristate "SMSC LPC47M10x and compatibles"
 	depends on I2C && EXPERIMENTAL

drivers/i2c/chips/Makefile

@@ -15,6 +15,7 @@ obj-$(CONFIG_SENSORS_EEPROM)	+= eeprom.o
 obj-$(CONFIG_SENSORS_FSCHER)	+= fscher.o
 obj-$(CONFIG_SENSORS_GL518SM)	+= gl518sm.o
 obj-$(CONFIG_SENSORS_IT87)	+= it87.o
+obj-$(CONFIG_SENSORS_LM63)	+= lm63.o
 obj-$(CONFIG_SENSORS_LM75)	+= lm75.o
 obj-$(CONFIG_SENSORS_LM77)	+= lm77.o
 obj-$(CONFIG_SENSORS_LM78)	+= lm78.o
@@ -24,6 +25,7 @@ obj-$(CONFIG_SENSORS_LM85)	+= lm85.o
 obj-$(CONFIG_SENSORS_LM87)	+= lm87.o
 obj-$(CONFIG_SENSORS_LM90)	+= lm90.o
 obj-$(CONFIG_SENSORS_MAX1619)	+= max1619.o
+obj-$(CONFIG_SENSORS_PC87360)	+= pc87360.o
 obj-$(CONFIG_SENSORS_PCF8574)	+= pcf8574.o
 obj-$(CONFIG_SENSORS_PCF8591)	+= pcf8591.o
 obj-$(CONFIG_SENSORS_RTC8564)	+= rtc8564.o

drivers/i2c/chips/adm1021.c

@@ -40,12 +40,11 @@
 #define ADM1021_ALARM_RTEMP_NA		0x04
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x18, 0x1a, 0x29, 0x2b,
-	0x4c, 0x4e, I2C_CLIENT_END
-};
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+					0x29, 0x2a, 0x2b,
+					0x4c, 0x4d, 0x4e, 
+					I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066);

drivers/i2c/chips/adm1025.c

@@ -59,10 +59,8 @@
  * NE1619 has two possible addresses: 0x2c and 0x2d.
  */
 
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x2c, 0x2e, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/adm1031.c

@@ -57,10 +57,8 @@
 #define ADM1031_CONF2_TEMP_ENABLE(chan)	(0x10 << (chan))
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x2c, 0x2e, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_2(adm1030, adm1031);

drivers/i2c/chips/asb100.c

@@ -56,12 +56,11 @@
 #define ASB100_VERSION "1.0.0"
 
 /* I2C addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x28, 0x2f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
+					0x2e, 0x2f, I2C_CLIENT_END };
 
 /* ISA addresses to scan (none) */
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(asb100);

drivers/i2c/chips/ds1621.c

@@ -29,10 +29,9 @@
 #include "lm75.h"
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x48, 0x4f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+					0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(ds1621);

drivers/i2c/chips/eeprom.c

@@ -36,10 +36,9 @@
 #include <linux/i2c-sensor.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x50, 0x57, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x50, 0x51, 0x52, 0x53, 0x54,
+					0x55, 0x56, 0x57, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(eeprom);

drivers/i2c/chips/fscher.c

@@ -38,9 +38,7 @@
  */
 
 static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/gl518sm.c

@@ -45,9 +45,7 @@
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_2(gl518sm_r00, gl518sm_r80);

drivers/i2c/chips/it87.c

@@ -42,10 +42,11 @@
 
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x20, 0x2f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24,
+					0x25, 0x26, 0x27, 0x28, 0x29,
+					0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
+					0x2f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_2(it87, it8712);
@@ -56,13 +57,6 @@ SENSORS_INSMOD_2(it87, it8712);
 #define PME	0x04	/* The device with the fan registers in it */
 #define	DEVID	0x20	/* Register: Device ID */
 
-static inline void
-superio_outb(int reg, int val)
-{
-	outb(reg, REG);
-	outb(val, VAL);
-}
-
 static inline int
 superio_inb(int reg)
 {

drivers/i2c/chips/lm75.c

@@ -28,10 +28,9 @@
 
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x48, 0x4f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+					0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(lm75);

drivers/i2c/chips/lm77.c

@@ -34,10 +34,8 @@
 
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x48, 0x4b, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(lm77);

drivers/i2c/chips/lm78.c

@@ -27,10 +27,11 @@
 #include <asm/io.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x20, 0x2f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24,
+					0x25, 0x26, 0x27, 0x28, 0x29,
+					0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
+					0x2f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_3(lm78, lm78j, lm79);

drivers/i2c/chips/lm80.c

@@ -29,10 +29,9 @@
 #include <linux/i2c-sensor.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x28, 0x2f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
+					0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(lm80);

drivers/i2c/chips/lm83.c

@@ -40,11 +40,11 @@
  * addresses.
  */
 
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x18, 0x1a, 0x29, 0x2b,
-	0x4c, 0x4e, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+					0x29, 0x2a, 0x2b,
+					0x4c, 0x4d, 0x4e,
+					I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/lm87.c

@@ -65,10 +65,8 @@
  * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e.
  */
 
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x2c, 0x2e, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/lm90.c

@@ -76,9 +76,7 @@
  */
 
 static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/max1619.c

@@ -34,11 +34,11 @@
 #include <linux/i2c-sensor.h>
 
 
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x18, 0x1a, 0x29, 0x2b,
-						0x4c, 0x4e, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+					0x29, 0x2a, 0x2b,
+					0x4c, 0x4d, 0x4e,
+					I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/chips/pcf8574.c

@@ -42,10 +42,10 @@
 #include <linux/i2c-sensor.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x20, 0x27, 0x38, 0x3f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+					0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+					I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_2(pcf8574, pcf8574a);

drivers/i2c/chips/pcf8591.c

@@ -27,10 +27,9 @@
 #include <linux/i2c-sensor.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x48, 0x4f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+					0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(pcf8591);

drivers/i2c/chips/rtc8564.c

@@ -66,11 +66,8 @@ static unsigned short normal_addr[] = { 0x51, I2C_CLIENT_END };
 
 static struct i2c_client_address_data addr_data = {
 	.normal_i2c		= normal_addr,
-	.normal_i2c_range	= ignore,
 	.probe			= ignore,
-	.probe_range		= ignore,
 	.ignore			= ignore,
-	.ignore_range		= ignore,
 	.force			= ignore,
 };
 

drivers/i2c/chips/smsc47m1.c

@@ -34,22 +34,14 @@
 #include <asm/io.h>
 
 static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 /* Address is autodetected, there is no default value */
 static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 static struct i2c_force_data forces[] = {{NULL}};
 
 enum chips { any_chip, smsc47m1 };
 static struct i2c_address_data addr_data = {
 	.normal_i2c		= normal_i2c,
-	.normal_i2c_range	= normal_i2c_range,
 	.normal_isa		= normal_isa,
-	.normal_isa_range	= normal_isa_range,
-	.probe			= normal_i2c,		/* cheat */
-	.probe_range		= normal_i2c_range,	/* cheat */
-	.ignore			= normal_i2c,		/* cheat */
-	.ignore_range		= normal_i2c_range,	/* cheat */
 	.forces			= forces,
 };
 

drivers/i2c/chips/via686a.c

@@ -52,9 +52,7 @@ MODULE_PARM_DESC(force_addr,
    Note that we can't determine the ISA address until we have initialized
    our module */
 static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_1(via686a);

drivers/i2c/chips/w83627hf.c

@@ -57,9 +57,7 @@ MODULE_PARM_DESC(force_i2c,
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf);

drivers/i2c/chips/w83781d.c

@@ -49,10 +49,10 @@
 #define W83781D_RT			1
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { 0x20, 0x2f, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
+					0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
+					0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
 static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /* Insmod parameters */
 SENSORS_INSMOD_6(w83781d, w83782d, w83783s, w83627hf, as99127f, w83697hf);

drivers/i2c/chips/w83l785ts.c

@@ -47,9 +47,7 @@
  */
 
 static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters

drivers/i2c/i2c-core.c

@@ -177,12 +177,25 @@ int i2c_add_adapter(struct i2c_adapter *adap)
 int i2c_del_adapter(struct i2c_adapter *adap)
 {
 	struct list_head  *item, *_n;
+	struct i2c_adapter *adap_from_list;
 	struct i2c_driver *driver;
 	struct i2c_client *client;
 	int res = 0;
 
 	down(&core_lists);
 
+	/* First make sure that this adapter was ever added */
+	list_for_each_entry(adap_from_list, &adapters, list) {
+		if (adap_from_list == adap)
+			break;
+	}
+	if (adap_from_list != adap) {
+		pr_debug("I2C: Attempting to delete an unregistered "
+			 "adapter\n");
+		res = -EINVAL;
+		goto out_unlock;
+	}
+
 	list_for_each(item,&drivers) {
 		driver = list_entry(item, struct i2c_driver, list);
 		if (driver->detach_adapter)
@@ -1008,48 +1021,6 @@ s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value)
 	                      I2C_SMBUS_WORD_DATA,&data);
 }
 
-s32 i2c_smbus_process_call(struct i2c_client *client, u8 command, u16 value)
-{
-	union i2c_smbus_data data;
-	data.word = value;
-	if (i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                   I2C_SMBUS_WRITE,command,
-	                   I2C_SMBUS_PROC_CALL, &data))
-		return -1;
-	else
-		return 0x0FFFF & data.word;
-}
-
-/* Returns the number of read bytes */
-s32 i2c_smbus_read_block_data(struct i2c_client *client, u8 command, u8 *values)
-{
-	union i2c_smbus_data data;
-	int i;
-	if (i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                   I2C_SMBUS_READ,command,
-	                   I2C_SMBUS_BLOCK_DATA,&data))
-		return -1;
-	else {
-		for (i = 1; i <= data.block[0]; i++)
-			values[i-1] = data.block[i];
-		return data.block[0];
-	}
-}
-
-s32 i2c_smbus_write_block_data(struct i2c_client *client, u8 command, u8 length, u8 *values)
-{
-	union i2c_smbus_data data;
-	int i;
-	if (length > I2C_SMBUS_BLOCK_MAX)
-		length = I2C_SMBUS_BLOCK_MAX;
-	for (i = 1; i <= length; i++)
-		data.block[i] = values[i-1];
-	data.block[0] = length;
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                      I2C_SMBUS_WRITE,command,
-	                      I2C_SMBUS_BLOCK_DATA,&data);
-}
-
 /* Returns the number of read bytes */
 s32 i2c_smbus_block_process_call(struct i2c_client *client, u8 command, u8 length, u8 *values)
 {
@@ -1085,20 +1056,6 @@ s32 i2c_smbus_read_i2c_block_data(struct i2c_client *client, u8 command, u8 *val
 	}
 }
 
-s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, u8 command, u8 length, u8 *values)
-{
-	union i2c_smbus_data data;
-	int i;
-	if (length > I2C_SMBUS_I2C_BLOCK_MAX)
-		length = I2C_SMBUS_I2C_BLOCK_MAX;
-	for (i = 1; i <= length; i++)
-		data.block[i] = values[i-1];
-	data.block[0] = length;
-	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-	                      I2C_SMBUS_WRITE,command,
-	                      I2C_SMBUS_I2C_BLOCK_DATA,&data);
-}
-
 /* Simulate a SMBus command using the i2c protocol 
    No checking of parameters is done!  */
 static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr, 
@@ -1322,11 +1279,7 @@ EXPORT_SYMBOL(i2c_smbus_read_byte_data);
 EXPORT_SYMBOL(i2c_smbus_write_byte_data);
 EXPORT_SYMBOL(i2c_smbus_read_word_data);
 EXPORT_SYMBOL(i2c_smbus_write_word_data);
-EXPORT_SYMBOL(i2c_smbus_process_call);
-EXPORT_SYMBOL(i2c_smbus_read_block_data);
-EXPORT_SYMBOL(i2c_smbus_write_block_data);
 EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data);
-EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data);
 
 EXPORT_SYMBOL(i2c_get_functionality);
 EXPORT_SYMBOL(i2c_check_functionality);

drivers/i2c/i2c-sensor-detect.c

@@ -31,6 +31,8 @@
 #include <linux/i2c-sensor.h>
 #include <asm/uaccess.h>
 
+static unsigned short empty[] = {I2C_CLIENT_END};
+static unsigned int empty_isa[] = {I2C_CLIENT_ISA_END};
 
 /* Very inefficient for ISA detects, and won't work for 10-bit addresses! */
 int i2c_detect(struct i2c_adapter *adapter,
@@ -42,11 +44,27 @@ int i2c_detect(struct i2c_adapter *adapter,
 	int is_isa = i2c_is_isa_adapter(adapter);
 	int adapter_id =
 	    is_isa ? ANY_I2C_ISA_BUS : i2c_adapter_id(adapter);
+	unsigned short *normal_i2c;
+	unsigned int *normal_isa;
+	unsigned short *probe;
+	unsigned short *ignore;
 
 	/* Forget it if we can't probe using SMBUS_QUICK */
 	if ((!is_isa) &&
 	    !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK))
 		return -1;
+	
+	/* Use default "empty" list if the adapter doesn't specify any */
+	normal_i2c = probe = ignore = empty;
+	normal_isa = empty_isa;
+	if (address_data->normal_i2c)
+		normal_i2c = address_data->normal_i2c;
+	if (address_data->normal_isa)
+		normal_isa = address_data->normal_isa;
+	if (address_data->probe)
+		probe = address_data->probe;
+	if (address_data->ignore)
+		ignore = address_data->ignore;
 
 	for (addr = 0x00; addr <= (is_isa ? 0xffff : 0x7f); addr++) {
 		if (!is_isa && i2c_check_addr(adapter, addr))
@@ -72,81 +90,46 @@ int i2c_detect(struct i2c_adapter *adapter,
 
 		/* If this address is in one of the ignores, we can forget about it
 		   right now */
-		for (i = 0; !found && (address_data->ignore[i] != I2C_CLIENT_END); i += 2) {
-			if ( ((adapter_id == address_data->ignore[i]) ||
-			      ((address_data->ignore[i] == ANY_I2C_BUS) &&
+		for (i = 0; !found && (ignore[i] != I2C_CLIENT_END); i += 2) {
+			if ( ((adapter_id == ignore[i]) ||
+			      ((ignore[i] == ANY_I2C_BUS) &&
 			       !is_isa)) &&
-			      (addr == address_data->ignore[i + 1])) {
+			      (addr == ignore[i + 1])) {
 				dev_dbg(&adapter->dev, "found ignore parameter for adapter %d, addr %04x\n", adapter_id, addr);
 				found = 1;
 			}
 		}
-		for (i = 0; !found && (address_data->ignore_range[i] != I2C_CLIENT_END); i += 3) {
-			if ( ((adapter_id == address_data->ignore_range[i]) ||
-			      ((address_data-> ignore_range[i] == ANY_I2C_BUS) & 
-			       !is_isa)) &&
-			     (addr >= address_data->ignore_range[i + 1]) &&
-			     (addr <= address_data->ignore_range[i + 2])) {
-				dev_dbg(&adapter->dev,  "found ignore_range parameter for adapter %d, addr %04x\n", adapter_id, addr);
-				found = 1;
-			}
-		}
 		if (found)
 			continue;
 
 		/* Now, we will do a detection, but only if it is in the normal or 
 		   probe entries */
 		if (is_isa) {
-			for (i = 0; !found && (address_data->normal_isa[i] != I2C_CLIENT_ISA_END); i += 1) {
-				if (addr == address_data->normal_isa[i]) {
+			for (i = 0; !found && (normal_isa[i] != I2C_CLIENT_ISA_END); i += 1) {
+				if (addr == normal_isa[i]) {
 					dev_dbg(&adapter->dev, "found normal isa entry for adapter %d, addr %04x\n", adapter_id, addr);
 					found = 1;
 				}
 			}
-			for (i = 0; !found && (address_data->normal_isa_range[i] != I2C_CLIENT_ISA_END); i += 3) {
-				if ((addr >= address_data->normal_isa_range[i]) &&
-				    (addr <= address_data->normal_isa_range[i + 1]) &&
-				    ((addr - address_data->normal_isa_range[i]) % address_data->normal_isa_range[i + 2] == 0)) {
-					dev_dbg(&adapter->dev, "found normal isa_range entry for adapter %d, addr %04x", adapter_id, addr);
-					found = 1;
-				}
-			}
 		} else {
-			for (i = 0; !found && (address_data->normal_i2c[i] != I2C_CLIENT_END); i += 1) {
-				if (addr == address_data->normal_i2c[i]) {
+			for (i = 0; !found && (normal_i2c[i] != I2C_CLIENT_END); i += 1) {
+				if (addr == normal_i2c[i]) {
 					found = 1;
 					dev_dbg(&adapter->dev, "found normal i2c entry for adapter %d, addr %02x", adapter_id, addr);
 				}
 			}
-			for (i = 0; !found && (address_data->normal_i2c_range[i] != I2C_CLIENT_END); i += 2) {
-				if ((addr >= address_data->normal_i2c_range[i]) &&
-				    (addr <= address_data->normal_i2c_range[i + 1])) {
-					dev_dbg(&adapter->dev, "found normal i2c_range entry for adapter %d, addr %04x\n", adapter_id, addr);
-					found = 1;
-				}
-			}
 		}
 
 		for (i = 0;
-		     !found && (address_data->probe[i] != I2C_CLIENT_END);
+		     !found && (probe[i] != I2C_CLIENT_END);
 		     i += 2) {
-			if (((adapter_id == address_data->probe[i]) ||
-			     ((address_data->
-			       probe[i] == ANY_I2C_BUS) && !is_isa))
-			    && (addr == address_data->probe[i + 1])) {
+			if (((adapter_id == probe[i]) ||
+			     ((probe[i] == ANY_I2C_BUS) && !is_isa))
+			    && (addr == probe[i + 1])) {
 				dev_dbg(&adapter->dev, "found probe parameter for adapter %d, addr %04x\n", adapter_id, addr);
 				found = 1;
 			}
 		}
-		for (i = 0; !found && (address_data->probe_range[i] != I2C_CLIENT_END); i += 3) {
-			if ( ((adapter_id == address_data->probe_range[i]) ||
-			      ((address_data->probe_range[i] == ANY_I2C_BUS) && !is_isa)) &&
-			     (addr >= address_data->probe_range[i + 1]) &&
-			     (addr <= address_data->probe_range[i + 2])) {
-				found = 1;
-				dev_dbg(&adapter->dev, "found probe_range parameter for adapter %d, addr %04x\n", adapter_id, addr);
-			}
-		}
 		if (!found)
 			continue;
 

drivers/w1/dscore.c

@@ -733,10 +733,8 @@ void ds_disconnect(struct usb_interface *intf)
 	while (atomic_read(&dev->refcnt)) {
 		printk(KERN_INFO "Waiting for DS to become free: refcnt=%d.\n",
 				atomic_read(&dev->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}
 

drivers/w1/w1.c

@@ -452,10 +452,8 @@ static void w1_slave_detach(struct w1_slave *sl)
 	while (atomic_read(&sl->refcnt)) {
 		printk(KERN_INFO "Waiting for %s to become free: refcnt=%d.\n",
 				sl->name, atomic_read(&sl->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}
 

drivers/w1/w1_family.c

@@ -21,6 +21,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/list.h>
+#include <linux/delay.h>
 
 #include "w1_family.h"
 
@@ -87,10 +88,8 @@ void w1_unregister_family(struct w1_family *fent)
 	while (atomic_read(&fent->refcnt)) {
 		printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n",
 				fent->fid, atomic_read(&fent->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}
 }

drivers/w1/w1_int.c

@@ -21,6 +21,7 @@
 
 #include <linux/kernel.h>
 #include <linux/list.h>
+#include <linux/delay.h>
 
 #include "w1.h"
 #include "w1_log.h"
@@ -184,10 +185,8 @@ void __w1_remove_master_device(struct w1_master *dev)
 	while (atomic_read(&dev->refcnt)) {
 		printk(KERN_INFO "Waiting for %s to become free: refcnt=%d.\n",
 				dev->name, atomic_read(&dev->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}
 

include/linux/i2c-sensor.h

@@ -42,51 +42,25 @@ struct i2c_force_data {
 /* A structure containing the detect information.
    normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_ISA_END.
      A list of I2C addresses which should normally be examined.
-   normal_i2c_range: filled in by the module writer. Terminated by 
-     I2C_CLIENT_ISA_END
-     A list of pairs of I2C addresses, each pair being an inclusive range of
-     addresses which should normally be examined.
    normal_isa: filled in by the module writer. Terminated by SENSORS_ISA_END.
      A list of ISA addresses which should normally be examined.
-   normal_isa_range: filled in by the module writer. Terminated by 
-     SENSORS_ISA_END
-     A list of triples. The first two elements are ISA addresses, being an
-     range of addresses which should normally be examined. The third is the
-     modulo parameter: only addresses which are 0 module this value relative
-     to the first address of the range are actually considered.
    probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
      A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
      the ISA bus, -1 for any I2C bus), the second is the address. These
      addresses are also probed, as if they were in the 'normal' list.
-   probe_range: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END 
-     values.
-     A list of triples. The first value is a bus number (ANY_I2C_ISA_BUS for
-     the ISA bus, -1 for any I2C bus), the second and third are addresses. 
-     These form an inclusive range of addresses that are also probed, as
-     if they were in the 'normal' list.
    ignore: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
      A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
      the ISA bus, -1 for any I2C bus), the second is the I2C address. These
      addresses are never probed. This parameter overrules 'normal' and 
      'probe', but not the 'force' lists.
-   ignore_range: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END 
-      values.
-     A list of triples. The first value is a bus number (ANY_I2C_ISA_BUS for
-     the ISA bus, -1 for any I2C bus), the second and third are addresses. 
-     These form an inclusive range of I2C addresses that are never probed.
-     This parameter overrules 'normal' and 'probe', but not the 'force' lists.
    force_data: insmod parameters. A list, ending with an element of which
      the force field is NULL.
 */
 struct i2c_address_data {
 	unsigned short *normal_i2c;
-	unsigned short *normal_i2c_range;
 	unsigned int *normal_isa;
-	unsigned int *normal_isa_range;
 	unsigned short *probe;
-	unsigned short *probe_range;
 	unsigned short *ignore;
-	unsigned short *ignore_range;
 	struct i2c_force_data *forces;
 };
 
@@ -100,23 +74,13 @@ struct i2c_address_data {
 #define SENSORS_INSMOD \
   I2C_CLIENT_MODULE_PARM(probe, \
                       "List of adapter,address pairs to scan additionally"); \
-  I2C_CLIENT_MODULE_PARM(probe_range, \
-                      "List of adapter,start-addr,end-addr triples to scan " \
-                      "additionally"); \
   I2C_CLIENT_MODULE_PARM(ignore, \
                       "List of adapter,address pairs not to scan"); \
-  I2C_CLIENT_MODULE_PARM(ignore_range, \
-                      "List of adapter,start-addr,end-addr triples not to " \
-                      "scan"); \
 	static struct i2c_address_data addr_data = {			\
 			.normal_i2c =		normal_i2c,		\
-			.normal_i2c_range =	normal_i2c_range,	\
 			.normal_isa =		normal_isa,		\
-			.normal_isa_range =	normal_isa_range,	\
 			.probe =		probe,			\
-			.probe_range =		probe_range,		\
 			.ignore =		ignore,			\
-			.ignore_range =		ignore_range,		\
 			.forces =		forces,			\
 		}