Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c: Fix platform driver hotplug/coldplug
  i2c: New driver for the SuperH Mobile I2C bus controller
  i2c/scx200_acb: Don't use 0 as NULL pointer
  i2c-bfin-twi: Fix mismatch in add timer and delete timer
  i2c-bfin-twi: Just let i2c-bfin-twi driver depends on BLACKFIN
  i2c-bfin-twi: Use simpler comment headers and strip out information that is maintained in the scm's log
  i2c-bfin-twi: Cleanup driver descriptions, versions and some module useful information
  i2c-bfin-twi: Add missing pin mux operation
  i2c-bfin-twi: Add platform_resource interface to support multi-port TWI controllers
  i2c-bfin-twi: Add repeat start feature to avoid break of a bundle of i2c master xfer operation
  i2c: Remove trailing whitespaces in busses/Kconfig
  i2c: Replace remaining __FUNCTION__ occurrences
  i2c: Renesas SH7760 I2C master driver
  i2c-dev: Split i2cdev_ioctl
  i2c-ibm_iic: Support building as an of_platform driver
  i2c-ibm_iic: Change the log levels
  i2c: Add platform driver on top of the new pca-algorithm
  i2c-algo-pca: Extend for future drivers
  i2c-algo-pca: Remove trailing whitespaces and unnecessary UTF
  i2c: Remove the algorithm drivers from the config menu

drivers/i2c/algos/Kconfig

 #
-# Character device configuration
+# I2C algorithm drivers configuration
 #
 
-menu "I2C Algorithms"
-
 config I2C_ALGOBIT
-	tristate "I2C bit-banging interfaces"
-	help
-	  This allows you to use a range of I2C adapters called bit-banging
-	  adapters.  Say Y if you own an I2C adapter belonging to this class
-	  and then say Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-bit.
+	tristate
 
 config I2C_ALGOPCF
-	tristate "I2C PCF 8584 interfaces"
-	help
-	  This allows you to use a range of I2C adapters called PCF adapters.
-	  Say Y if you own an I2C adapter belonging to this class and then say
-	  Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-pcf.
+	tristate
 
 config I2C_ALGOPCA
-	tristate "I2C PCA 9564 interfaces"
-	help
-	  This allows you to use a range of I2C adapters called PCA adapters.
-	  Say Y if you own an I2C adapter belonging to this class and then say
-	  Y to the specific driver for you adapter below.
-
-	  This support is also available as a module.  If so, the module 
-	  will be called i2c-algo-pca.
+	tristate
 
 config I2C_ALGO_SGI
-	tristate "I2C SGI interfaces"
+	tristate
 	depends on SGI_IP22 || SGI_IP32 || X86_VISWS
-	help
-	  Supports the SGI interfaces like the ones found on SGI Indy VINO
-	  or SGI O2 MACE.
-
-endmenu
-

drivers/i2c/algos/i2c-algo-pca.c

 /*
  *  i2c-algo-pca.c i2c driver algorithms for PCA9564 adapters
  *    Copyright (C) 2004 Arcom Control Systems
+ *    Copyright (C) 2008 Pengutronix
  *
  *  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
@@ -21,14 +22,10 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pca.h>
-#include "i2c-algo-pca.h"
-
-#define DRIVER "i2c-algo-pca"
 
 #define DEB1(fmt, args...) do { if (i2c_debug>=1) printk(fmt, ## args); } while(0)
 #define DEB2(fmt, args...) do { if (i2c_debug>=2) printk(fmt, ## args); } while(0)
@@ -36,15 +33,15 @@
 
 static int i2c_debug;
 
-#define pca_outw(adap, reg, val) adap->write_byte(adap, reg, val)
-#define pca_inw(adap, reg) adap->read_byte(adap, reg)
+#define pca_outw(adap, reg, val) adap->write_byte(adap->data, reg, val)
+#define pca_inw(adap, reg) adap->read_byte(adap->data, reg)
 
 #define pca_status(adap) pca_inw(adap, I2C_PCA_STA)
-#define pca_clock(adap) adap->get_clock(adap)
-#define pca_own(adap) adap->get_own(adap)
+#define pca_clock(adap) adap->i2c_clock
 #define pca_set_con(adap, val) pca_outw(adap, I2C_PCA_CON, val)
 #define pca_get_con(adap) pca_inw(adap, I2C_PCA_CON)
-#define pca_wait(adap) adap->wait_for_interrupt(adap)
+#define pca_wait(adap) adap->wait_for_completion(adap->data)
+#define pca_reset(adap) adap->reset_chip(adap->data)
 
 /*
  * Generate a start condition on the i2c bus.
@@ -168,15 +165,6 @@ static void pca_rx_ack(struct i2c_algo_pca_data *adap,
 	pca_wait(adap);
 }
 
-/* 
- * Reset the i2c bus / SIO 
- */
-static void pca_reset(struct i2c_algo_pca_data *adap)
-{
-	/* apparently only an external reset will do it. not a lot can be done */
-	printk(KERN_ERR DRIVER ": Haven't figured out how to do a reset yet\n");
-}
-
 static int pca_xfer(struct i2c_adapter *i2c_adap,
                     struct i2c_msg *msgs,
                     int num)
@@ -187,7 +175,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 	int numbytes = 0;
 	int state;
 	int ret;
-	int timeout = 100;
+	int timeout = i2c_adap->timeout;
 
 	while ((state = pca_status(adap)) != 0xf8 && timeout--) {
 		msleep(10);
@@ -317,7 +305,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
 			pca_reset(adap);
 			goto out;
 		default:
-			printk(KERN_ERR DRIVER ": unhandled SIO state 0x%02x\n", state);
+			dev_err(&i2c_adap->dev, "unhandled SIO state 0x%02x\n", state);
 			break;
 		}
 
@@ -337,53 +325,65 @@ static u32 pca_func(struct i2c_adapter *adap)
         return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
-static int pca_init(struct i2c_algo_pca_data *adap)
+static const struct i2c_algorithm pca_algo = {
+	.master_xfer	= pca_xfer,
+	.functionality	= pca_func,
+};
+
+static int pca_init(struct i2c_adapter *adap)
 {
 	static int freqs[] = {330,288,217,146,88,59,44,36};
-	int own, clock;
+	int clock;
+	struct i2c_algo_pca_data *pca_data = adap->algo_data;
+
+	if (pca_data->i2c_clock > 7) {
+		printk(KERN_WARNING "%s: Invalid I2C clock speed selected. Trying default.\n",
+			adap->name);
+		pca_data->i2c_clock = I2C_PCA_CON_59kHz;
+	}
+
+	adap->algo = &pca_algo;
 
-	own = pca_own(adap);
-	clock = pca_clock(adap);
-	DEB1(KERN_INFO DRIVER ": own address is %#04x\n", own);
-	DEB1(KERN_INFO DRIVER ": clock freqeuncy is %dkHz\n", freqs[clock]);
+	pca_reset(pca_data);
 
-	pca_outw(adap, I2C_PCA_ADR, own << 1);
+	clock = pca_clock(pca_data);
+	DEB1(KERN_INFO "%s: Clock frequency is %dkHz\n", adap->name, freqs[clock]);
 
-	pca_set_con(adap, I2C_PCA_CON_ENSIO | clock);
-	udelay(500); /* 500 µs for oscilator to stabilise */
+	pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock);
+	udelay(500); /* 500 us for oscilator to stabilise */
 
 	return 0;
 }
 
-static const struct i2c_algorithm pca_algo = {
-	.master_xfer	= pca_xfer,
-	.functionality	= pca_func,
-};
-
 /*
  * registering functions to load algorithms at runtime
  */
 int i2c_pca_add_bus(struct i2c_adapter *adap)
 {
-	struct i2c_algo_pca_data *pca_adap = adap->algo_data;
 	int rval;
 
-	/* register new adapter to i2c module... */
-	adap->algo = &pca_algo;
-
-	adap->timeout = 100;		/* default values, should	*/
-	adap->retries = 3;		/* be replaced by defines	*/
-
-	if ((rval = pca_init(pca_adap)))
+	rval = pca_init(adap);
+	if (rval)
 		return rval;
 
-	rval = i2c_add_adapter(adap);
+	return i2c_add_adapter(adap);
+}
+EXPORT_SYMBOL(i2c_pca_add_bus);
 
+int i2c_pca_add_numbered_bus(struct i2c_adapter *adap)
+{
+	int rval;
+
+	rval = pca_init(adap);
+	if (rval)
 		return rval;
+
+	return i2c_add_numbered_adapter(adap);
 }
-EXPORT_SYMBOL(i2c_pca_add_bus);
+EXPORT_SYMBOL(i2c_pca_add_numbered_bus);
 
-MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>");
+MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>, "
+	"Wolfram Sang <w.sang@pengutronix.de>");
 MODULE_DESCRIPTION("I2C-Bus PCA9564 algorithm");
 MODULE_LICENSE("GPL");
 

drivers/i2c/algos/i2c-algo-pca.h

-#ifndef I2C_PCA9564_H
-#define I2C_PCA9564_H 1
-
-#define I2C_PCA_STA		0x00 /* STATUS  Read Only  */
-#define I2C_PCA_TO		0x00 /* TIMEOUT Write Only */
-#define I2C_PCA_DAT		0x01 /* DATA    Read/Write */
-#define I2C_PCA_ADR		0x02 /* OWN ADR Read/Write */
-#define I2C_PCA_CON		0x03 /* CONTROL Read/Write */
-
-#define I2C_PCA_CON_AA		0x80 /* Assert Acknowledge */
-#define I2C_PCA_CON_ENSIO	0x40 /* Enable */
-#define I2C_PCA_CON_STA		0x20 /* Start */
-#define I2C_PCA_CON_STO		0x10 /* Stop */
-#define I2C_PCA_CON_SI		0x08 /* Serial Interrupt */
-#define I2C_PCA_CON_CR		0x07 /* Clock Rate (MASK) */
-
-#define I2C_PCA_CON_330kHz	0x00
-#define I2C_PCA_CON_288kHz	0x01
-#define I2C_PCA_CON_217kHz	0x02
-#define I2C_PCA_CON_146kHz	0x03
-#define I2C_PCA_CON_88kHz	0x04
-#define I2C_PCA_CON_59kHz	0x05
-#define I2C_PCA_CON_44kHz	0x06
-#define I2C_PCA_CON_36kHz	0x07
-
-#endif /* I2C_PCA9564_H */

drivers/i2c/busses/Kconfig

@@ -100,9 +100,12 @@ config I2C_AU1550
 
 config I2C_BLACKFIN_TWI
 	tristate "Blackfin TWI I2C support"
-	depends on BF534 || BF536 || BF537
+	depends on BLACKFIN
 	help
-	  This is the TWI I2C device driver for Blackfin 534/536/537/54x.
+	  This is the TWI I2C device driver for Blackfin BF522, BF525,
+	  BF527, BF534, BF536, BF537 and BF54x. For other Blackfin processors,
+	  please don't use this driver.
+
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-bfin-twi.
 
@@ -246,7 +249,7 @@ config I2C_PIIX4
 
 config I2C_IBM_IIC
 	tristate "IBM PPC 4xx on-chip I2C interface"
-	depends on IBM_OCP
+	depends on 4xx
 	help
 	  Say Y here if you want to use IIC peripheral found on
 	  embedded IBM PPC 4xx based systems.
@@ -632,8 +635,8 @@ config I2C_PCA_ISA
 	select I2C_ALGOPCA
 	default n
 	help
-	  This driver supports ISA boards using the Philips PCA 9564
-	  Parallel bus to I2C bus controller
+	  This driver supports ISA boards using the Philips PCA9564
+	  parallel bus to I2C bus controller.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-pca-isa.
@@ -643,6 +646,17 @@ config I2C_PCA_ISA
 	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
 	  time).  If unsure, say N.
 
+config I2C_PCA_PLATFORM
+	tristate "PCA9564 as platform device"
+	select I2C_ALGOPCA
+	default n
+	help
+	  This driver supports a memory mapped Philips PCA9564
+	  parallel bus to I2C bus controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-pca-platform.
+
 config I2C_MV64XXX
 	tristate "Marvell mv64xxx I2C Controller"
 	depends on (MV64X60 || PLAT_ORION) && EXPERIMENTAL
@@ -672,4 +686,23 @@ config I2C_PMCMSP
 	  This driver can also be built as module. If so, the module
 	  will be called i2c-pmcmsp.
 
+config I2C_SH7760
+	tristate "Renesas SH7760 I2C Controller"
+	depends on CPU_SUBTYPE_SH7760
+	help
+	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-sh7760.
+
+config I2C_SH_MOBILE
+	tristate "SuperH Mobile I2C Controller"
+	depends on SUPERH
+	help
+	  If you say yes to this option, support will be included for the
+	  built-in I2C interface on the Renesas SH-Mobile processor.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-sh_mobile.
+
 endmenu

drivers/i2c/busses/Makefile

@@ -30,6 +30,7 @@ obj-$(CONFIG_I2C_PARPORT)	+= i2c-parport.o
 obj-$(CONFIG_I2C_PARPORT_LIGHT)	+= i2c-parport-light.o
 obj-$(CONFIG_I2C_PASEMI)	+= i2c-pasemi.o
 obj-$(CONFIG_I2C_PCA_ISA)	+= i2c-pca-isa.o
+obj-$(CONFIG_I2C_PCA_PLATFORM)	+= i2c-pca-platform.o
 obj-$(CONFIG_I2C_PIIX4)		+= i2c-piix4.o
 obj-$(CONFIG_I2C_PMCMSP)	+= i2c-pmcmsp.o
 obj-$(CONFIG_I2C_PNX)		+= i2c-pnx.o
@@ -37,6 +38,8 @@ obj-$(CONFIG_I2C_PROSAVAGE)	+= i2c-prosavage.o
 obj-$(CONFIG_I2C_PXA)		+= i2c-pxa.o
 obj-$(CONFIG_I2C_S3C2410)	+= i2c-s3c2410.o
 obj-$(CONFIG_I2C_SAVAGE4)	+= i2c-savage4.o
+obj-$(CONFIG_I2C_SH7760)	+= i2c-sh7760.o
+obj-$(CONFIG_I2C_SH_MOBILE)	+= i2c-sh_mobile.o
 obj-$(CONFIG_I2C_SIBYTE)	+= i2c-sibyte.o
 obj-$(CONFIG_I2C_SIMTEC)	+= i2c-simtec.o
 obj-$(CONFIG_I2C_SIS5595)	+= i2c-sis5595.o

drivers/i2c/busses/i2c-at91.c

@@ -298,7 +298,7 @@ static int at91_i2c_resume(struct platform_device *pdev)
 #endif
 
 /* work with "modprobe at91_i2c" from hotplugging or coldplugging */
-MODULE_ALIAS("at91_i2c");
+MODULE_ALIAS("platform:at91_i2c");
 
 static struct platform_driver at91_i2c_driver = {
 	.probe		= at91_i2c_probe,

drivers/i2c/busses/i2c-au1550.c

@@ -472,6 +472,7 @@ i2c_au1550_exit(void)
 MODULE_AUTHOR("Dan Malek, Embedded Edge, LLC.");
 MODULE_DESCRIPTION("SMBus adapter Alchemy pb1550");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:au1xpsc_smbus");
 
 module_init (i2c_au1550_init);
 module_exit (i2c_au1550_exit);

drivers/i2c/busses/i2c-davinci.c

@@ -328,7 +328,7 @@ i2c_davinci_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
 	int i;
 	int ret;
 
-	dev_dbg(dev->dev, "%s: msgs: %d\n", __FUNCTION__, num);
+	dev_dbg(dev->dev, "%s: msgs: %d\n", __func__, num);
 
 	ret = i2c_davinci_wait_bus_not_busy(dev, 1);
 	if (ret < 0) {
@@ -342,7 +342,7 @@ i2c_davinci_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
 			return ret;
 	}
 
-	dev_dbg(dev->dev, "%s:%d ret: %d\n", __FUNCTION__, __LINE__, ret);
+	dev_dbg(dev->dev, "%s:%d ret: %d\n", __func__, __LINE__, ret);
 
 	return num;
 }
@@ -364,7 +364,7 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void *dev_id)
 	u16 w;
 
 	while ((stat = davinci_i2c_read_reg(dev, DAVINCI_I2C_IVR_REG))) {
-		dev_dbg(dev->dev, "%s: stat=0x%x\n", __FUNCTION__, stat);
+		dev_dbg(dev->dev, "%s: stat=0x%x\n", __func__, stat);
 		if (count++ == 100) {
 			dev_warn(dev->dev, "Too much work in one IRQ\n");
 			break;
@@ -553,6 +553,9 @@ static int davinci_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:i2c_davinci");
+
 static struct platform_driver davinci_i2c_driver = {
 	.probe		= davinci_i2c_probe,
 	.remove		= davinci_i2c_remove,

drivers/i2c/busses/i2c-gpio.c

@@ -220,3 +220,4 @@ module_exit(i2c_gpio_exit);
 MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
 MODULE_DESCRIPTION("Platform-independent bitbanging I2C driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:i2c-gpio");

drivers/i2c/busses/i2c-ibm_iic.c

@@ -6,6 +6,9 @@
  * Copyright (c) 2003, 2004 Zultys Technologies.
  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
  *
+ * Copyright (c) 2008 PIKA Technologies
+ * Sean MacLennan <smaclennan@pikatech.com>
+ *
  * Based on original work by
  * 	Ian DaSilva  <idasilva@mvista.com>
  *      Armin Kuster <akuster@mvista.com>
@@ -39,12 +42,17 @@
 #include <asm/io.h>
 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
+
+#ifdef CONFIG_IBM_OCP
 #include <asm/ocp.h>
 #include <asm/ibm4xx.h>
+#else
+#include <linux/of_platform.h>
+#endif
 
 #include "i2c-ibm_iic.h"
 
-#define DRIVER_VERSION "2.1"
+#define DRIVER_VERSION "2.2"
 
 MODULE_DESCRIPTION("IBM IIC driver v" DRIVER_VERSION);
 MODULE_LICENSE("GPL");
@@ -650,13 +658,14 @@ static inline u8 iic_clckdiv(unsigned int opb)
 	opb /= 1000000;
 
 	if (opb < 20 || opb > 150){
-		printk(KERN_CRIT "ibm-iic: invalid OPB clock frequency %u MHz\n",
+		printk(KERN_WARNING "ibm-iic: invalid OPB clock frequency %u MHz\n",
 			opb);
 		opb = opb < 20 ? 20 : 150;
 	}
 	return (u8)((opb + 9) / 10 - 1);
 }
 
+#ifdef CONFIG_IBM_OCP
 /*
  * Register single IIC interface
  */
@@ -672,7 +681,7 @@ static int __devinit iic_probe(struct ocp_device *ocp){
 			ocp->def->index);
 
 	if (!(dev = kzalloc(sizeof(*dev), GFP_KERNEL))) {
-		printk(KERN_CRIT "ibm-iic%d: failed to allocate device data\n",
+		printk(KERN_ERR "ibm-iic%d: failed to allocate device data\n",
 			ocp->def->index);
 		return -ENOMEM;
 	}
@@ -687,7 +696,7 @@ static int __devinit iic_probe(struct ocp_device *ocp){
 	}
 
 	if (!(dev->vaddr = ioremap(ocp->def->paddr, sizeof(struct iic_regs)))){
-		printk(KERN_CRIT "ibm-iic%d: failed to ioremap device registers\n",
+		printk(KERN_ERR "ibm-iic%d: failed to ioremap device registers\n",
 			dev->idx);
 		ret = -ENXIO;
 		goto fail2;
@@ -745,7 +754,7 @@ static int __devinit iic_probe(struct ocp_device *ocp){
 	adap->nr = dev->idx >= 0 ? dev->idx : 0;
 
 	if ((ret = i2c_add_numbered_adapter(adap)) < 0) {
-		printk(KERN_CRIT "ibm-iic%d: failed to register i2c adapter\n",
+		printk(KERN_ERR "ibm-iic%d: failed to register i2c adapter\n",
 			dev->idx);
 		goto fail;
 	}
@@ -778,7 +787,7 @@ static void __devexit iic_remove(struct ocp_device *ocp)
 	struct ibm_iic_private* dev = (struct ibm_iic_private*)ocp_get_drvdata(ocp);
 	BUG_ON(dev == NULL);
 	if (i2c_del_adapter(&dev->adap)){
-		printk(KERN_CRIT "ibm-iic%d: failed to delete i2c adapter :(\n",
+		printk(KERN_ERR "ibm-iic%d: failed to delete i2c adapter :(\n",
 			dev->idx);
 		/* That's *very* bad, just shutdown IRQ ... */
 		if (dev->irq >= 0){
@@ -828,5 +837,181 @@ static void __exit iic_exit(void)
 	ocp_unregister_driver(&ibm_iic_driver);
 }
 
+#else  /* !CONFIG_IBM_OCP */
+
+static int __devinit iic_request_irq(struct of_device *ofdev,
+				     struct ibm_iic_private *dev)
+{
+	struct device_node *np = ofdev->node;
+	int irq;
+
+	if (iic_force_poll)
+		return NO_IRQ;
+
+	irq = irq_of_parse_and_map(np, 0);
+	if (irq == NO_IRQ) {
+		dev_err(&ofdev->dev, "irq_of_parse_and_map failed\n");
+		return NO_IRQ;
+	}
+
+	/* Disable interrupts until we finish initialization, assumes
+	 *  level-sensitive IRQ setup...
+	 */
+	iic_interrupt_mode(dev, 0);
+	if (request_irq(irq, iic_handler, 0, "IBM IIC", dev)) {
+		dev_err(&ofdev->dev, "request_irq %d failed\n", irq);
+		/* Fallback to the polling mode */
+		return NO_IRQ;
+	}
+
+	return irq;
+}
+
+/*
+ * Register single IIC interface
+ */
+static int __devinit iic_probe(struct of_device *ofdev,
+			       const struct of_device_id *match)
+{
+	struct device_node *np = ofdev->node;
+	struct ibm_iic_private *dev;
+	struct i2c_adapter *adap;
+	const u32 *indexp, *freq;
+	int ret;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev) {
+		dev_err(&ofdev->dev, "failed to allocate device data\n");
+		return -ENOMEM;
+	}
+
+	dev_set_drvdata(&ofdev->dev, dev);
+
+	indexp = of_get_property(np, "index", NULL);
+	if (!indexp) {
+		dev_err(&ofdev->dev, "no index specified\n");
+		ret = -EINVAL;
+		goto error_cleanup;
+	}
+	dev->idx = *indexp;
+
+	dev->vaddr = of_iomap(np, 0);
+	if (dev->vaddr == NULL) {
+		dev_err(&ofdev->dev, "failed to iomap device\n");
+		ret = -ENXIO;
+		goto error_cleanup;
+	}
+
+	init_waitqueue_head(&dev->wq);
+
+	dev->irq = iic_request_irq(ofdev, dev);
+	if (dev->irq == NO_IRQ)
+		dev_warn(&ofdev->dev, "using polling mode\n");
+
+	/* Board specific settings */
+	if (iic_force_fast || of_get_property(np, "fast-mode", NULL))
+		dev->fast_mode = 1;
+
+	freq = of_get_property(np, "clock-frequency", NULL);
+	if (freq == NULL) {
+		freq = of_get_property(np->parent, "clock-frequency", NULL);
+		if (freq == NULL) {
+			dev_err(&ofdev->dev, "Unable to get bus frequency\n");
+			ret = -EINVAL;
+			goto error_cleanup;
+		}
+	}
+
+	dev->clckdiv = iic_clckdiv(*freq);
+	dev_dbg(&ofdev->dev, "clckdiv = %d\n", dev->clckdiv);
+
+	/* Initialize IIC interface */
+	iic_dev_init(dev);
+
+	/* Register it with i2c layer */
+	adap = &dev->adap;
+	adap->dev.parent = &ofdev->dev;
+	strlcpy(adap->name, "IBM IIC", sizeof(adap->name));
+	i2c_set_adapdata(adap, dev);
+	adap->id = I2C_HW_OCP;
+	adap->class = I2C_CLASS_HWMON;
+	adap->algo = &iic_algo;
+	adap->timeout = 1;
+	adap->nr = dev->idx;
+
+	ret = i2c_add_numbered_adapter(adap);
+	if (ret  < 0) {
+		dev_err(&ofdev->dev, "failed to register i2c adapter\n");
+		goto error_cleanup;
+	}
+
+	dev_info(&ofdev->dev, "using %s mode\n",
+		 dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");
+
+	return 0;
+
+error_cleanup:
+	if (dev->irq != NO_IRQ) {
+		iic_interrupt_mode(dev, 0);
+		free_irq(dev->irq, dev);
+	}
+
+	if (dev->vaddr)
+		iounmap(dev->vaddr);
+
+	dev_set_drvdata(&ofdev->dev, NULL);
+	kfree(dev);
+	return ret;
+}
+
+/*
+ * Cleanup initialized IIC interface
+ */
+static int __devexit iic_remove(struct of_device *ofdev)
+{
+	struct ibm_iic_private *dev = dev_get_drvdata(&ofdev->dev);
+
+	dev_set_drvdata(&ofdev->dev, NULL);
+
+	i2c_del_adapter(&dev->adap);
+
+	if (dev->irq != NO_IRQ) {
+		iic_interrupt_mode(dev, 0);
+		free_irq(dev->irq, dev);
+	}
+
+	iounmap(dev->vaddr);
+	kfree(dev);
+
+	return 0;
+}
+
+static const struct of_device_id ibm_iic_match[] = {
+	{ .compatible = "ibm,iic-405ex", },
+	{ .compatible = "ibm,iic-405gp", },
+	{ .compatible = "ibm,iic-440gp", },
+	{ .compatible = "ibm,iic-440gpx", },
+	{ .compatible = "ibm,iic-440grx", },
+	{}
+};
+
+static struct of_platform_driver ibm_iic_driver = {
+	.name	= "ibm-iic",
+	.match_table = ibm_iic_match,
+	.probe	= iic_probe,
+	.remove	= __devexit_p(iic_remove),
+};
+
+static int __init iic_init(void)
+{
+	return of_register_platform_driver(&ibm_iic_driver);
+}
+
+static void __exit iic_exit(void)
+{
+	of_unregister_platform_driver(&ibm_iic_driver);
+}
+#endif /* CONFIG_IBM_OCP */
+
 module_init(iic_init);
 module_exit(iic_exit);

drivers/i2c/busses/i2c-iop3xx.c

@@ -550,3 +550,4 @@ module_exit (i2c_iop3xx_exit);
 MODULE_AUTHOR("D-TACQ Solutions Ltd <www.d-tacq.com>");
 MODULE_DESCRIPTION("IOP3xx iic algorithm and driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:IOP3xx-I2C");

drivers/i2c/busses/i2c-ixp2000.c

@@ -164,4 +164,5 @@ module_exit(ixp2000_i2c_exit);
 MODULE_AUTHOR ("Deepak Saxena <dsaxena@plexity.net>");
 MODULE_DESCRIPTION("IXP2000 GPIO-based I2C bus driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:IXP2000-I2C");
 

drivers/i2c/busses/i2c-mpc.c

@@ -392,6 +392,9 @@ static int fsl_i2c_remove(struct platform_device *pdev)
 	return 0;
 };
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:fsl-i2c");
+
 /* Structure for a device driver */
 static struct platform_driver fsl_i2c_driver = {
 	.probe = fsl_i2c_probe,

drivers/i2c/busses/i2c-ocores.c

@@ -312,6 +312,9 @@ static int __devexit ocores_i2c_remove(struct platform_device* pdev)
 	return 0;
 }
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:ocores-i2c");
+
 static struct platform_driver ocores_i2c_driver = {
 	.probe  = ocores_i2c_probe,
 	.remove = __devexit_p(ocores_i2c_remove),

drivers/i2c/busses/i2c-omap.c

@@ -693,3 +693,4 @@ module_exit(omap_i2c_exit_driver);
 MODULE_AUTHOR("MontaVista Software, Inc. (and others)");
 MODULE_DESCRIPTION("TI OMAP I2C bus adapter");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:i2c_omap");

drivers/i2c/busses/i2c-pca-isa.c

 /*
  *  i2c-pca-isa.c driver for PCA9564 on ISA boards
  *    Copyright (C) 2004 Arcom Control Systems
+ *    Copyright (C) 2008 Pengutronix
  *
  *  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
@@ -22,11 +23,9 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/wait.h>
-
 #include <linux/isa.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pca.h>
@@ -34,13 +33,9 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-#include "../algos/i2c-algo-pca.h"
-
+#define DRIVER "i2c-pca-isa"
 #define IO_SIZE 4
 
-#undef DEBUG_IO
-//#define DEBUG_IO
-
 static unsigned long base   = 0x330;
 static int irq 	  = 10;
 
@@ -48,22 +43,9 @@ static int irq 	  = 10;
  * in the actual clock rate */
 static int clock  = I2C_PCA_CON_59kHz;
 
-static int own    = 0x55;
-
 static wait_queue_head_t pca_wait;
 
-static int pca_isa_getown(struct i2c_algo_pca_data *adap)
-{
-	return (own);
-}
-
-static int pca_isa_getclock(struct i2c_algo_pca_data *adap)
-{
-	return (clock);
-}
-
-static void
-pca_isa_writebyte(struct i2c_algo_pca_data *adap, int reg, int val)
+static void pca_isa_writebyte(void *pd, int reg, int val)
 {
 #ifdef DEBUG_IO
 	static char *names[] = { "T/O", "DAT", "ADR", "CON" };
@@ -72,8 +54,7 @@ pca_isa_writebyte(struct i2c_algo_pca_data *adap, int reg, int val)
 	outb(val, base+reg);
 }
 
-static int
-pca_isa_readbyte(struct i2c_algo_pca_data *adap, int reg)
+static int pca_isa_readbyte(void *pd, int reg)
 {
 	int res = inb(base+reg);
 #ifdef DEBUG_IO
@@ -85,31 +66,37 @@ pca_isa_readbyte(struct i2c_algo_pca_data *adap, int reg)
 	return res;
 }
 
-static int pca_isa_waitforinterrupt(struct i2c_algo_pca_data *adap)
+static int pca_isa_waitforcompletion(void *pd)
 {
 	int ret = 0;
 
 	if (irq > -1) {
 		ret = wait_event_interruptible(pca_wait,
-					       pca_isa_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI);
+					       pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI);
 	} else {
-		while ((pca_isa_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0) 
+		while ((pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
 			udelay(100);
 	}
 	return ret;
 }
 
+static void pca_isa_resetchip(void *pd)
+{
+	/* apparently only an external reset will do it. not a lot can be done */
+	printk(KERN_WARNING DRIVER ": Haven't figured out how to do a reset yet\n");
+}
+
 static irqreturn_t pca_handler(int this_irq, void *dev_id) {
 	wake_up_interruptible(&pca_wait);
 	return IRQ_HANDLED;
 }
 
 static struct i2c_algo_pca_data pca_isa_data = {
-	.get_own		= pca_isa_getown,
-	.get_clock		= pca_isa_getclock,
+	/* .data intentionally left NULL, not needed with ISA */
 	.write_byte		= pca_isa_writebyte,
 	.read_byte		= pca_isa_readbyte,
-	.wait_for_interrupt	= pca_isa_waitforinterrupt,
+	.wait_for_completion	= pca_isa_waitforcompletion,
+	.reset_chip		= pca_isa_resetchip,
 };
 
 static struct i2c_adapter pca_isa_ops = {
@@ -117,6 +104,7 @@ static struct i2c_adapter pca_isa_ops = {
 	.id		= I2C_HW_A_ISA,
 	.algo_data	= &pca_isa_data,
 	.name		= "PCA9564 ISA Adapter",
+	.timeout	= 100,
 };
 
 static int __devinit pca_isa_probe(struct device *dev, unsigned int id)
@@ -144,6 +132,7 @@ static int __devinit pca_isa_probe(struct device *dev, unsigned int id)
 		}
 	}
 
+	pca_isa_data.i2c_clock = clock;
 	if (i2c_pca_add_bus(&pca_isa_ops) < 0) {
 		dev_err(dev, "Failed to add i2c bus\n");
 		goto out_irq;
@@ -178,7 +167,7 @@ static struct isa_driver pca_isa_driver = {
 	.remove		= __devexit_p(pca_isa_remove),
 	.driver = {
 		.owner	= THIS_MODULE,
-		.name	= "i2c-pca-isa",
+		.name	= DRIVER,
 	}
 };
 
@@ -204,7 +193,5 @@ MODULE_PARM_DESC(irq, "IRQ");
 module_param(clock, int, 0);
 MODULE_PARM_DESC(clock, "Clock rate as described in table 1 of PCA9564 datasheet");
 
-module_param(own, int, 0); /* the driver can't do slave mode, so there's no real point in this */
-
 module_init(pca_isa_init);
 module_exit(pca_isa_exit);

drivers/i2c/busses/i2c-pca-platform.c

+/*
+ *  i2c_pca_platform.c
+ *
+ *  Platform driver for the PCA9564 I2C controller.
+ *
+ *  Copyright (C) 2008 Pengutronix
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/i2c-algo-pca.h>
+#include <linux/i2c-pca-platform.h>
+#include <linux/gpio.h>
+
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#define res_len(r)		((r)->end - (r)->start + 1)
+
+struct i2c_pca_pf_data {
+	void __iomem			*reg_base;
+	int				irq;	/* if 0, use polling */
+	int				gpio;
+	wait_queue_head_t		wait;
+	struct i2c_adapter		adap;
+	struct i2c_algo_pca_data	algo_data;
+	unsigned long			io_base;
+	unsigned long			io_size;
+};
+
+/* Read/Write functions for different register alignments */
+
+static int i2c_pca_pf_readbyte8(void *pd, int reg)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	return ioread8(i2c->reg_base + reg);
+}
+
+static int i2c_pca_pf_readbyte16(void *pd, int reg)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	return ioread8(i2c->reg_base + reg * 2);
+}
+
+static int i2c_pca_pf_readbyte32(void *pd, int reg)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	return ioread8(i2c->reg_base + reg * 4);
+}
+
+static void i2c_pca_pf_writebyte8(void *pd, int reg, int val)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	iowrite8(val, i2c->reg_base + reg);
+}
+
+static void i2c_pca_pf_writebyte16(void *pd, int reg, int val)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	iowrite8(val, i2c->reg_base + reg * 2);
+}
+
+static void i2c_pca_pf_writebyte32(void *pd, int reg, int val)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	iowrite8(val, i2c->reg_base + reg * 4);
+}
+
+
+static int i2c_pca_pf_waitforcompletion(void *pd)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	int ret = 0;
+
+	if (i2c->irq) {
+		ret = wait_event_interruptible(i2c->wait,
+			i2c->algo_data.read_byte(i2c, I2C_PCA_CON)
+			& I2C_PCA_CON_SI);
+	} else {
+		/*
+		 * Do polling...
+		 * XXX: Could get stuck in extreme cases!
+		 *      Maybe add timeout, but using irqs is preferred anyhow.
+		 */
+		while ((i2c->algo_data.read_byte(i2c, I2C_PCA_CON)
+				& I2C_PCA_CON_SI) == 0)
+			udelay(100);
+	}
+
+	return ret;
+}
+
+static void i2c_pca_pf_dummyreset(void *pd)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+	printk(KERN_WARNING "%s: No reset-pin found. Chip may get stuck!\n",
+		i2c->adap.name);
+}
+
+static void i2c_pca_pf_resetchip(void *pd)
+{
+	struct i2c_pca_pf_data *i2c = pd;
+
+	gpio_set_value(i2c->gpio, 0);
+	ndelay(100);
+	gpio_set_value(i2c->gpio, 1);
+}
+
+static irqreturn_t i2c_pca_pf_handler(int this_irq, void *dev_id)
+{
+	struct i2c_pca_pf_data *i2c = dev_id;
+
+	if ((i2c->algo_data.read_byte(i2c, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
+		return IRQ_NONE;
+
+	wake_up_interruptible(&i2c->wait);
+
+	return IRQ_HANDLED;
+}
+
+
+static int __devinit i2c_pca_pf_probe(struct platform_device *pdev)
+{
+	struct i2c_pca_pf_data *i2c;
+	struct resource *res;
+	struct i2c_pca9564_pf_platform_data *platform_data =
+				pdev->dev.platform_data;
+	int ret = 0;
+	int irq;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	irq = platform_get_irq(pdev, 0);
+	/* If irq is 0, we do polling. */
+
+	if (res == NULL) {
+		ret = -ENODEV;
+		goto e_print;
+	}
+
+	if (!request_mem_region(res->start, res_len(res), res->name)) {
+		ret = -ENOMEM;
+		goto e_print;
+	}
+
+	i2c = kzalloc(sizeof(struct i2c_pca_pf_data), GFP_KERNEL);
+	if (!i2c) {
+		ret = -ENOMEM;
+		goto e_alloc;
+	}
+
+	init_waitqueue_head(&i2c->wait);
+
+	i2c->reg_base = ioremap(res->start, res_len(res));
+	if (!i2c->reg_base) {
+		ret = -EIO;
+		goto e_remap;
+	}
+	i2c->io_base = res->start;
+	i2c->io_size = res_len(res);
+	i2c->irq = irq;
+
+	i2c->adap.nr = pdev->id >= 0 ? pdev->id : 0;
+	i2c->adap.owner = THIS_MODULE;
+	snprintf(i2c->adap.name, sizeof(i2c->adap.name), "PCA9564 at 0x%08lx",
+		(unsigned long) res->start);
+	i2c->adap.algo_data = &i2c->algo_data;
+	i2c->adap.dev.parent = &pdev->dev;
+	i2c->adap.timeout = platform_data->timeout;
+
+	i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
+	i2c->algo_data.data = i2c;
+
+	switch (res->flags & IORESOURCE_MEM_TYPE_MASK) {
+	case IORESOURCE_MEM_32BIT:
+		i2c->algo_data.write_byte = i2c_pca_pf_writebyte32;
+		i2c->algo_data.read_byte = i2c_pca_pf_readbyte32;
+		break;
+	case IORESOURCE_MEM_16BIT:
+		i2c->algo_data.write_byte = i2c_pca_pf_writebyte16;
+		i2c->algo_data.read_byte = i2c_pca_pf_readbyte16;
+		break;
+	case IORESOURCE_MEM_8BIT:
+	default:
+		i2c->algo_data.write_byte = i2c_pca_pf_writebyte8;
+		i2c->algo_data.read_byte = i2c_pca_pf_readbyte8;
+		break;
+	}
+
+	i2c->algo_data.wait_for_completion = i2c_pca_pf_waitforcompletion;
+
+	i2c->gpio = platform_data->gpio;
+	i2c->algo_data.reset_chip = i2c_pca_pf_dummyreset;
+
+	/* Use gpio_is_valid() when in mainline */
+	if (i2c->gpio > -1) {
+		ret = gpio_request(i2c->gpio, i2c->adap.name);
+		if (ret == 0) {
+			gpio_direction_output(i2c->gpio, 1);
+			i2c->algo_data.reset_chip = i2c_pca_pf_resetchip;
+		} else {
+			printk(KERN_WARNING "%s: Registering gpio failed!\n",
+				i2c->adap.name);
+			i2c->gpio = ret;
+		}
+	}
+
+	if (irq) {
+		ret = request_irq(irq, i2c_pca_pf_handler,
+			IRQF_TRIGGER_FALLING, i2c->adap.name, i2c);
+		if (ret)
+			goto e_reqirq;
+	}
+
+	if (i2c_pca_add_numbered_bus(&i2c->adap) < 0) {
+		ret = -ENODEV;
+		goto e_adapt;
+	}
+
+	platform_set_drvdata(pdev, i2c);
+
+	printk(KERN_INFO "%s registered.\n", i2c->adap.name);
+
+	return 0;
+
+e_adapt:
+	if (irq)
+		free_irq(irq, i2c);
+e_reqirq:
+	if (i2c->gpio > -1)
+		gpio_free(i2c->gpio);
+
+	iounmap(i2c->reg_base);
+e_remap:
+	kfree(i2c);
+e_alloc:
+	release_mem_region(res->start, res_len(res));
+e_print:
+	printk(KERN_ERR "Registering PCA9564 FAILED! (%d)\n", ret);
+	return ret;
+}
+
+static int __devexit i2c_pca_pf_remove(struct platform_device *pdev)
+{
+	struct i2c_pca_pf_data *i2c = platform_get_drvdata(pdev);
+	platform_set_drvdata(pdev, NULL);
+
+	i2c_del_adapter(&i2c->adap);
+
+	if (i2c->irq)
+		free_irq(i2c->irq, i2c);
+
+	if (i2c->gpio > -1)
+		gpio_free(i2c->gpio);
+
+	iounmap(i2c->reg_base);
+	release_mem_region(i2c->io_base, i2c->io_size);
+	kfree(i2c);
+
+	return 0;
+}
+
+static struct platform_driver i2c_pca_pf_driver = {
+	.probe = i2c_pca_pf_probe,
+	.remove = __devexit_p(i2c_pca_pf_remove),
+	.driver = {
+		.name = "i2c-pca-platform",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init i2c_pca_pf_init(void)
+{
+	return platform_driver_register(&i2c_pca_pf_driver);
+}
+
+static void __exit i2c_pca_pf_exit(void)
+{
+	platform_driver_unregister(&i2c_pca_pf_driver);
+}
+
+MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>");
+MODULE_DESCRIPTION("I2C-PCA9564 platform driver");
+MODULE_LICENSE("GPL");
+
+module_init(i2c_pca_pf_init);
+module_exit(i2c_pca_pf_exit);
+

drivers/i2c/busses/i2c-pmcmsp.c

@@ -467,7 +467,7 @@ static enum pmcmsptwi_xfer_result pmcmsptwi_xfer_cmd(
 	    (cmd->read_len == 0 || cmd->write_len == 0))) {
 		dev_err(&pmcmsptwi_adapter.dev,
 			"%s: Cannot transfer less than 1 byte\n",
-			__FUNCTION__);
+			__func__);
 		return -EINVAL;
 	}
 
@@ -475,7 +475,7 @@ static enum pmcmsptwi_xfer_result pmcmsptwi_xfer_cmd(
 	    cmd->write_len > MSP_MAX_BYTES_PER_RW) {
 		dev_err(&pmcmsptwi_adapter.dev,
 			"%s: Cannot transfer more than %d bytes\n",
-			__FUNCTION__, MSP_MAX_BYTES_PER_RW);
+			__func__, MSP_MAX_BYTES_PER_RW);
 		return -EINVAL;
 	}
 
@@ -627,6 +627,9 @@ static struct i2c_adapter pmcmsptwi_adapter = {
 	.name		= DRV_NAME,
 };
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:" DRV_NAME);
+
 static struct platform_driver pmcmsptwi_driver = {
 	.probe  = pmcmsptwi_probe,
 	.remove	= __devexit_p(pmcmsptwi_remove),

drivers/i2c/busses/i2c-pnx.c

@@ -76,7 +76,7 @@ static int i2c_pnx_start(unsigned char slave_addr, struct i2c_adapter *adap)
 {
 	struct i2c_pnx_algo_data *alg_data = adap->algo_data;
 
-	dev_dbg(&adap->dev, "%s(): addr 0x%x mode %d\n", __FUNCTION__,
+	dev_dbg(&adap->dev, "%s(): addr 0x%x mode %d\n", __func__,
 		slave_addr, alg_data->mif.mode);
 
 	/* Check for 7 bit slave addresses only */
@@ -110,14 +110,14 @@ static int i2c_pnx_start(unsigned char slave_addr, struct i2c_adapter *adap)
 	iowrite32(ioread32(I2C_REG_STS(alg_data)) | mstatus_tdi | mstatus_afi,
 		  I2C_REG_STS(alg_data));
 
-	dev_dbg(&adap->dev, "%s(): sending %#x\n", __FUNCTION__,
+	dev_dbg(&adap->dev, "%s(): sending %#x\n", __func__,
 		(slave_addr << 1) | start_bit | alg_data->mif.mode);
 
 	/* Write the slave address, START bit and R/W bit */
 	iowrite32((slave_addr << 1) | start_bit | alg_data->mif.mode,
 		  I2C_REG_TX(alg_data));
 
-	dev_dbg(&adap->dev, "%s(): exit\n", __FUNCTION__);
+	dev_dbg(&adap->dev, "%s(): exit\n", __func__);
 
 	return 0;
 }
@@ -135,7 +135,7 @@ static void i2c_pnx_stop(struct i2c_adapter *adap)
 	long timeout = 1000;
 
 	dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	/* Write a STOP bit to TX FIFO */
 	iowrite32(0xff | stop_bit, I2C_REG_TX(alg_data));
@@ -149,7 +149,7 @@ static void i2c_pnx_stop(struct i2c_adapter *adap)
 	}
 
 	dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 }
 
 /**
@@ -164,7 +164,7 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap)
 	u32 val;
 
 	dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	if (alg_data->mif.len > 0) {
 		/* We still have something to talk about... */
@@ -179,7 +179,7 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap)
 		alg_data->mif.len--;
 		iowrite32(val, I2C_REG_TX(alg_data));
 
-		dev_dbg(&adap->dev, "%s(): xmit %#x [%d]\n", __FUNCTION__,
+		dev_dbg(&adap->dev, "%s(): xmit %#x [%d]\n", __func__,
 			val, alg_data->mif.len + 1);
 
 		if (alg_data->mif.len == 0) {
@@ -197,7 +197,7 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap)
 			del_timer_sync(&alg_data->mif.timer);
 
 			dev_dbg(&adap->dev, "%s(): Waking up xfer routine.\n",
-				__FUNCTION__);
+				__func__);
 
 			complete(&alg_data->mif.complete);
 		}
@@ -213,13 +213,13 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap)
 		/* Stop timer. */
 		del_timer_sync(&alg_data->mif.timer);
 		dev_dbg(&adap->dev, "%s(): Waking up xfer routine after "
-			"zero-xfer.\n", __FUNCTION__);
+			"zero-xfer.\n", __func__);
 
 		complete(&alg_data->mif.complete);
 	}
 
 	dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	return 0;
 }
@@ -237,14 +237,14 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap)
 	u32 ctl = 0;
 
 	dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	/* Check, whether there is already data,
 	 * or we didn't 'ask' for it yet.
 	 */
 	if (ioread32(I2C_REG_STS(alg_data)) & mstatus_rfe) {
 		dev_dbg(&adap->dev, "%s(): Write dummy data to fill "
-			"Rx-fifo...\n", __FUNCTION__);
+			"Rx-fifo...\n", __func__);
 
 		if (alg_data->mif.len == 1) {
 			/* Last byte, do not acknowledge next rcv. */
@@ -276,7 +276,7 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap)
 	if (alg_data->mif.len > 0) {
 		val = ioread32(I2C_REG_RX(alg_data));
 		*alg_data->mif.buf++ = (u8) (val & 0xff);
-		dev_dbg(&adap->dev, "%s(): rcv 0x%x [%d]\n", __FUNCTION__, val,
+		dev_dbg(&adap->dev, "%s(): rcv 0x%x [%d]\n", __func__, val,
 			alg_data->mif.len);
 
 		alg_data->mif.len--;
@@ -300,7 +300,7 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap)
 	}
 
 	dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	return 0;
 }
@@ -312,7 +312,7 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
 	struct i2c_pnx_algo_data *alg_data = adap->algo_data;
 
 	dev_dbg(&adap->dev, "%s(): mstat = %x mctrl = %x, mode = %d\n",
-		__FUNCTION__,
+		__func__,
 		ioread32(I2C_REG_STS(alg_data)),
 		ioread32(I2C_REG_CTL(alg_data)),
 		alg_data->mif.mode);
@@ -336,7 +336,7 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
 		/* Slave did not acknowledge, generate a STOP */
 		dev_dbg(&adap->dev, "%s(): "
 			"Slave did not acknowledge, generating a STOP.\n",
-			__FUNCTION__);
+			__func__);
 		i2c_pnx_stop(adap);
 
 		/* Disable master interrupts. */
@@ -375,7 +375,7 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
 	iowrite32(stat | mstatus_tdi | mstatus_afi, I2C_REG_STS(alg_data));
 
 	dev_dbg(&adap->dev, "%s(): exiting, stat = %x ctrl = %x.\n",
-		 __FUNCTION__, ioread32(I2C_REG_STS(alg_data)),
+		 __func__, ioread32(I2C_REG_STS(alg_data)),
 		 ioread32(I2C_REG_CTL(alg_data)));
 
 	return IRQ_HANDLED;
@@ -447,7 +447,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 	u32 stat = ioread32(I2C_REG_STS(alg_data));
 
 	dev_dbg(&adap->dev, "%s(): entering: %d messages, stat = %04x.\n",
-		__FUNCTION__, num, ioread32(I2C_REG_STS(alg_data)));
+		__func__, num, ioread32(I2C_REG_STS(alg_data)));
 
 	bus_reset_if_active(adap);
 
@@ -473,7 +473,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 		alg_data->mif.ret = 0;
 		alg_data->last = (i == num - 1);
 
-		dev_dbg(&adap->dev, "%s(): mode %d, %d bytes\n", __FUNCTION__,
+		dev_dbg(&adap->dev, "%s(): mode %d, %d bytes\n", __func__,
 			alg_data->mif.mode,
 			alg_data->mif.len);
 
@@ -498,7 +498,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 		if (!(rc = alg_data->mif.ret))
 			completed++;
 		dev_dbg(&adap->dev, "%s(): Complete, return code = %d.\n",
-			__FUNCTION__, rc);
+			__func__, rc);
 
 		/* Clear TDI and AFI bits in case they are set. */
 		if ((stat = ioread32(I2C_REG_STS(alg_data))) & mstatus_tdi) {
@@ -522,7 +522,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 	alg_data->mif.len = 0;
 
 	dev_dbg(&adap->dev, "%s(): exiting, stat = %x\n",
-		__FUNCTION__, ioread32(I2C_REG_STS(alg_data)));
+		__func__, ioread32(I2C_REG_STS(alg_data)));
 
 	if (completed != num)
 		return ((rc < 0) ? rc : -EREMOTEIO);
@@ -563,7 +563,7 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev)
 
 	if (!i2c_pnx || !i2c_pnx->adapter) {
 		dev_err(&pdev->dev, "%s: no platform data supplied\n",
-		       __FUNCTION__);
+		       __func__);
 		ret = -EINVAL;
 		goto out;
 	}
@@ -697,6 +697,7 @@ static void __exit i2c_adap_pnx_exit(void)
 MODULE_AUTHOR("Vitaly Wool, Dennis Kovalev <source@mvista.com>");
 MODULE_DESCRIPTION("I2C driver for Philips IP3204-based I2C busses");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pnx-i2c");
 
 /* We need to make sure I2C is initialized before USB */
 subsys_initcall(i2c_adap_pnx_init);

drivers/i2c/busses/i2c-powermac.c

@@ -263,6 +263,9 @@ static int __devexit i2c_powermac_probe(struct platform_device *dev)
 }
 
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:i2c-powermac");
+
 static struct platform_driver i2c_powermac_driver = {
 	.probe = i2c_powermac_probe,
 	.remove = __devexit_p(i2c_powermac_remove),

drivers/i2c/busses/i2c-pxa.c

@@ -155,7 +155,7 @@ static void i2c_pxa_show_state(struct pxa_i2c *i2c, int lno, const char *fname)
 		readl(_ISR(i2c)), readl(_ICR(i2c)), readl(_IBMR(i2c)));
 }
 
-#define show_state(i2c) i2c_pxa_show_state(i2c, __LINE__, __FUNCTION__)
+#define show_state(i2c) i2c_pxa_show_state(i2c, __LINE__, __func__)
 #else
 #define i2c_debug	0
 
@@ -1132,6 +1132,7 @@ static void __exit i2c_adap_pxa_exit(void)
 }
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pxa2xx-i2c");
 
 module_init(i2c_adap_pxa_init);
 module_exit(i2c_adap_pxa_exit);

drivers/i2c/busses/i2c-s3c2410.c

@@ -276,12 +276,12 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
 	switch (i2c->state) {
 
 	case STATE_IDLE:
-		dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __FUNCTION__);
+		dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __func__);
 		goto out;
 		break;
 
 	case STATE_STOP:
-		dev_err(i2c->dev, "%s: called in STATE_STOP\n", __FUNCTION__);
+		dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__);
 		s3c24xx_i2c_disable_irq(i2c);		
 		goto out_ack;
 
@@ -948,3 +948,4 @@ module_exit(i2c_adap_s3c_exit);
 MODULE_DESCRIPTION("S3C24XX I2C Bus driver");
 MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:s3c2410-i2c");

drivers/i2c/busses/i2c-simtec.c

@@ -159,6 +159,9 @@ static int simtec_i2c_remove(struct platform_device *dev)
 
 /* device driver */
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:simtec-i2c");
+
 static struct platform_driver simtec_i2c_driver = {
 	.driver		= {
 		.name		= "simtec-i2c",

drivers/i2c/busses/i2c-versatile.c

@@ -151,3 +151,4 @@ module_exit(i2c_versatile_exit);
 
 MODULE_DESCRIPTION("ARM Versatile I2C bus driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:versatile-i2c");

drivers/i2c/busses/scx200_acb.c

@@ -527,7 +527,7 @@ static int __init scx200_create_isa(const char *text, unsigned long base,
 	if (iface == NULL)
 		return -ENOMEM;
 
-	if (request_region(base, 8, iface->adapter.name) == 0) {
+	if (!request_region(base, 8, iface->adapter.name)) {
 		printk(KERN_ERR NAME ": can't allocate io 0x%lx-0x%lx\n",
 		       base, base + 8 - 1);
 		rc = -EBUSY;

drivers/i2c/chips/isp1301_omap.c

@@ -658,7 +658,7 @@ static void otg_update_isp(struct isp1301 *isp)
 		OTG_CTRL_REG |= OTG_PULLUP;
 	}
 
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 	dump_regs(isp, "otg->isp1301");
 }
 
@@ -782,7 +782,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp)
 		if (otg_ctrl & OTG_DRIVER_SEL) {
 			switch (isp->otg.state) {
 			case OTG_STATE_A_IDLE:
-				b_idle(isp, __FUNCTION__);
+				b_idle(isp, __func__);
 				break;
 			default:
 				break;
@@ -826,7 +826,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp)
 						isp->otg.host->otg_port);
 	}
 
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 	return ret;
 }
 
@@ -837,7 +837,7 @@ static int otg_init(struct isp1301 *isp)
 	if (!otg_dev)
 		return -ENODEV;
 
-	dump_regs(isp, __FUNCTION__);
+	dump_regs(isp, __func__);
 	/* some of these values are board-specific... */
 	OTG_SYSCON_2_REG |= OTG_EN
 		/* for B-device: */
@@ -853,9 +853,9 @@ static int otg_init(struct isp1301 *isp)
 	update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
 	update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
 
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 	pr_debug("otg: %s, %s %06x\n",
-			state_name(isp), __FUNCTION__, OTG_CTRL_REG);
+			state_name(isp), __func__, OTG_CTRL_REG);
 
 	OTG_IRQ_EN_REG = DRIVER_SWITCH | OPRT_CHG
 			| B_SRP_TMROUT | B_HNP_FAIL
@@ -1041,11 +1041,11 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat)
 						OTG1_DP_PULLDOWN);
 			isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
 						OTG1_DP_PULLUP);
-			dump_regs(isp, __FUNCTION__);
+			dump_regs(isp, __func__);
 #endif
 			/* FALLTHROUGH */
 		case OTG_STATE_B_SRP_INIT:
-			b_idle(isp, __FUNCTION__);
+			b_idle(isp, __func__);
 			OTG_CTRL_REG &= OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
 			/* FALLTHROUGH */
 		case OTG_STATE_B_IDLE:
@@ -1077,7 +1077,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat)
 	 */
 	update_otg1(isp, isp_stat);
 	update_otg2(isp, isp_bstat);
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 #endif
 
 	dump_regs(isp, "isp1301->otg");
@@ -1310,7 +1310,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
 	 */
 	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_VBUS_DRV);
 
-	dump_regs(isp, __FUNCTION__);
+	dump_regs(isp, __func__);
 
 	return 0;
 
@@ -1365,7 +1365,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
 		INTR_VBUS_VLD);
 	dev_info(&isp->client.dev, "B-Peripheral sessions ok\n");
-	dump_regs(isp, __FUNCTION__);
+	dump_regs(isp, __func__);
 
 	/* If this has a Mini-AB connector, this mode is highly
 	 * nonstandard ... but can be handy for testing, so long
@@ -1416,7 +1416,7 @@ isp1301_start_srp(struct otg_transceiver *dev)
 
 	pr_debug("otg: SRP, %s ... %06x\n", state_name(isp), OTG_CTRL_REG);
 #ifdef	CONFIG_USB_OTG
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 #endif
 	return 0;
 }
@@ -1463,7 +1463,7 @@ isp1301_start_hnp(struct otg_transceiver *dev)
 	}
 	pr_debug("otg: HNP %s, %06x ...\n",
 		state_name(isp), OTG_CTRL_REG);
-	check_state(isp, __FUNCTION__);
+	check_state(isp, __func__);
 	return 0;
 #else
 	/* srp-only */
@@ -1601,7 +1601,7 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind)
 	update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
 #endif
 
-	dump_regs(isp, __FUNCTION__);
+	dump_regs(isp, __func__);
 
 #ifdef	VERBOSE
 	mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);

drivers/i2c/i2c-core.c

@@ -1506,7 +1506,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 		read_write = I2C_SMBUS_READ;
 		if (data->block[0] > I2C_SMBUS_BLOCK_MAX) {
 			dev_err(&adapter->dev, "%s called with invalid "
-				"block proc call size (%d)\n", __FUNCTION__,
+				"block proc call size (%d)\n", __func__,
 				data->block[0]);
 			return -1;
 		}

drivers/i2c/i2c-dev.c

@@ -200,59 +200,14 @@ static int i2cdev_check_addr(struct i2c_adapter *adapter, unsigned int addr)
 	return device_for_each_child(&adapter->dev, &addr, i2cdev_check);
 }
 
-static int i2cdev_ioctl(struct inode *inode, struct file *file,
-		unsigned int cmd, unsigned long arg)
+static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client,
+		unsigned long arg)
 {
-	struct i2c_client *client = (struct i2c_client *)file->private_data;
 	struct i2c_rdwr_ioctl_data rdwr_arg;
-	struct i2c_smbus_ioctl_data data_arg;
-	union i2c_smbus_data temp;
 	struct i2c_msg *rdwr_pa;
 	u8 __user **data_ptrs;
-	int i,datasize,res;
-	unsigned long funcs;
-
-	dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",
-		cmd, arg);
+	int i, res;
 
-	switch ( cmd ) {
-	case I2C_SLAVE:
-	case I2C_SLAVE_FORCE:
-		/* NOTE:  devices set up to work with "new style" drivers
-		 * can't use I2C_SLAVE, even when the device node is not
-		 * bound to a driver.  Only I2C_SLAVE_FORCE will work.
-		 *
-		 * Setting the PEC flag here won't affect kernel drivers,
-		 * which will be using the i2c_client node registered with
-		 * the driver model core.  Likewise, when that client has
-		 * the PEC flag already set, the i2c-dev driver won't see
-		 * (or use) this setting.
-		 */
-		if ((arg > 0x3ff) ||
-		    (((client->flags & I2C_M_TEN) == 0) && arg > 0x7f))
-			return -EINVAL;
-		if (cmd == I2C_SLAVE && i2cdev_check_addr(client->adapter, arg))
-			return -EBUSY;
-		/* REVISIT: address could become busy later */
-		client->addr = arg;
-		return 0;
-	case I2C_TENBIT:
-		if (arg)
-			client->flags |= I2C_M_TEN;
-		else
-			client->flags &= ~I2C_M_TEN;
-		return 0;
-	case I2C_PEC:
-		if (arg)
-			client->flags |= I2C_CLIENT_PEC;
-		else
-			client->flags &= ~I2C_CLIENT_PEC;
-		return 0;
-	case I2C_FUNCS:
-		funcs = i2c_get_functionality(client->adapter);
-		return put_user(funcs, (unsigned long __user *)arg);
-
-	case I2C_RDWR:
 	if (copy_from_user(&rdwr_arg,
 			   (struct i2c_rdwr_ioctl_data __user *)arg,
 			   sizeof(rdwr_arg)))
@@ -266,8 +221,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 	rdwr_pa = (struct i2c_msg *)
 		kmalloc(rdwr_arg.nmsgs * sizeof(struct i2c_msg),
 		GFP_KERNEL);
-
-		if (rdwr_pa == NULL) return -ENOMEM;
+	if (!rdwr_pa)
+		return -ENOMEM;
 
 	if (copy_from_user(rdwr_pa, rdwr_arg.msgs,
 			   rdwr_arg.nmsgs * sizeof(struct i2c_msg))) {
@@ -282,7 +237,7 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 	}
 
 	res = 0;
-		for( i=0; i<rdwr_arg.nmsgs; i++ ) {
+	for (i = 0; i < rdwr_arg.nmsgs; i++) {
 		/* Limit the size of the message to a sane amount;
 		 * and don't let length change either. */
 		if ((rdwr_pa[i].len > 8192) ||
@@ -292,12 +247,11 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		}
 		data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf;
 		rdwr_pa[i].buf = kmalloc(rdwr_pa[i].len, GFP_KERNEL);
-			if(rdwr_pa[i].buf == NULL) {
+		if (rdwr_pa[i].buf == NULL) {
 			res = -ENOMEM;
 			break;
 		}
-			if(copy_from_user(rdwr_pa[i].buf,
-				data_ptrs[i],
+		if (copy_from_user(rdwr_pa[i].buf, data_ptrs[i],
 				   rdwr_pa[i].len)) {
 				++i; /* Needs to be kfreed too */
 				res = -EFAULT;
@@ -313,25 +267,27 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		return res;
 	}
 
-		res = i2c_transfer(client->adapter,
-			rdwr_pa,
-			rdwr_arg.nmsgs);
-		while(i-- > 0) {
-			if( res>=0 && (rdwr_pa[i].flags & I2C_M_RD)) {
-				if(copy_to_user(
-					data_ptrs[i],
-					rdwr_pa[i].buf,
-					rdwr_pa[i].len)) {
+	res = i2c_transfer(client->adapter, rdwr_pa, rdwr_arg.nmsgs);
+	while (i-- > 0) {
+		if (res >= 0 && (rdwr_pa[i].flags & I2C_M_RD)) {
+			if (copy_to_user(data_ptrs[i], rdwr_pa[i].buf,
+					 rdwr_pa[i].len))
 				res = -EFAULT;
 		}
-			}
 		kfree(rdwr_pa[i].buf);
 	}
 	kfree(data_ptrs);
 	kfree(rdwr_pa);
 	return res;
+}
+
+static noinline int i2cdev_ioctl_smbus(struct i2c_client *client,
+		unsigned long arg)
+{
+	struct i2c_smbus_ioctl_data data_arg;
+	union i2c_smbus_data temp;
+	int datasize, res;
 
-	case I2C_SMBUS:
 	if (copy_from_user(&data_arg,
 			   (struct i2c_smbus_ioctl_data __user *) arg,
 			   sizeof(struct i2c_smbus_ioctl_data)))
@@ -367,10 +323,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 	    (data_arg.read_write == I2C_SMBUS_WRITE)))
 		/* These are special: we do not use data */
 		return i2c_smbus_xfer(client->adapter, client->addr,
-					      client->flags,
-					      data_arg.read_write,
-					      data_arg.command,
-					      data_arg.size, NULL);
+				      client->flags, data_arg.read_write,
+				      data_arg.command, data_arg.size, NULL);
 
 	if (data_arg.data == NULL) {
 		dev_dbg(&client->adapter->dev,
@@ -401,16 +355,69 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		if (data_arg.read_write == I2C_SMBUS_READ)
 			temp.block[0] = I2C_SMBUS_BLOCK_MAX;
 	}
-		res = i2c_smbus_xfer(client->adapter,client->addr,client->flags,
-		      data_arg.read_write,
-		      data_arg.command,data_arg.size,&temp);
-		if (! res && ((data_arg.size == I2C_SMBUS_PROC_CALL) ||
+	res = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+	      data_arg.read_write, data_arg.command, data_arg.size, &temp);
+	if (!res && ((data_arg.size == I2C_SMBUS_PROC_CALL) ||
 		     (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) ||
 		     (data_arg.read_write == I2C_SMBUS_READ))) {
 		if (copy_to_user(data_arg.data, &temp, datasize))
 			return -EFAULT;
 	}
 	return res;
+}
+
+static int i2cdev_ioctl(struct inode *inode, struct file *file,
+		unsigned int cmd, unsigned long arg)
+{
+	struct i2c_client *client = (struct i2c_client *)file->private_data;
+	unsigned long funcs;
+
+	dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",
+		cmd, arg);
+
+	switch ( cmd ) {
+	case I2C_SLAVE:
+	case I2C_SLAVE_FORCE:
+		/* NOTE:  devices set up to work with "new style" drivers
+		 * can't use I2C_SLAVE, even when the device node is not
+		 * bound to a driver.  Only I2C_SLAVE_FORCE will work.
+		 *
+		 * Setting the PEC flag here won't affect kernel drivers,
+		 * which will be using the i2c_client node registered with
+		 * the driver model core.  Likewise, when that client has
+		 * the PEC flag already set, the i2c-dev driver won't see
+		 * (or use) this setting.
+		 */
+		if ((arg > 0x3ff) ||
+		    (((client->flags & I2C_M_TEN) == 0) && arg > 0x7f))
+			return -EINVAL;
+		if (cmd == I2C_SLAVE && i2cdev_check_addr(client->adapter, arg))
+			return -EBUSY;
+		/* REVISIT: address could become busy later */
+		client->addr = arg;
+		return 0;
+	case I2C_TENBIT:
+		if (arg)
+			client->flags |= I2C_M_TEN;
+		else
+			client->flags &= ~I2C_M_TEN;
+		return 0;
+	case I2C_PEC:
+		if (arg)
+			client->flags |= I2C_CLIENT_PEC;
+		else
+			client->flags &= ~I2C_CLIENT_PEC;
+		return 0;
+	case I2C_FUNCS:
+		funcs = i2c_get_functionality(client->adapter);
+		return put_user(funcs, (unsigned long __user *)arg);
+
+	case I2C_RDWR:
+		return i2cdev_ioctl_rdrw(client, arg);
+
+	case I2C_SMBUS:
+		return i2cdev_ioctl_smbus(client, arg);
+
 	case I2C_RETRIES:
 		client->adapter->retries = arg;
 		break;

include/asm-sh/i2c-sh7760.h

+/*
+ * MMIO/IRQ and platform data for SH7760 I2C channels
+ */
+
+#ifndef _I2C_SH7760_H_
+#define _I2C_SH7760_H_
+
+#define SH7760_I2C_DEVNAME	"sh7760-i2c"
+
+#define SH7760_I2C0_MMIO	0xFE140000
+#define SH7760_I2C0_MMIOEND	0xFE14003B
+#define SH7760_I2C0_IRQ		62
+
+#define SH7760_I2C1_MMIO	0xFE150000
+#define SH7760_I2C1_MMIOEND	0xFE15003B
+#define SH7760_I2C1_IRQ		63
+
+struct sh7760_i2c_platdata {
+	unsigned int speed_khz;
+};
+
+#endif

include/linux/i2c-algo-pca.h

 #ifndef _LINUX_I2C_ALGO_PCA_H
 #define _LINUX_I2C_ALGO_PCA_H
 
+/* Clock speeds for the bus */
+#define I2C_PCA_CON_330kHz	0x00
+#define I2C_PCA_CON_288kHz	0x01
+#define I2C_PCA_CON_217kHz	0x02
+#define I2C_PCA_CON_146kHz	0x03
+#define I2C_PCA_CON_88kHz	0x04
+#define I2C_PCA_CON_59kHz	0x05
+#define I2C_PCA_CON_44kHz	0x06
+#define I2C_PCA_CON_36kHz	0x07
+
+/* PCA9564 registers */
+#define I2C_PCA_STA		0x00 /* STATUS  Read Only  */
+#define I2C_PCA_TO		0x00 /* TIMEOUT Write Only */
+#define I2C_PCA_DAT		0x01 /* DATA    Read/Write */
+#define I2C_PCA_ADR		0x02 /* OWN ADR Read/Write */
+#define I2C_PCA_CON		0x03 /* CONTROL Read/Write */
+
+#define I2C_PCA_CON_AA		0x80 /* Assert Acknowledge */
+#define I2C_PCA_CON_ENSIO	0x40 /* Enable */
+#define I2C_PCA_CON_STA		0x20 /* Start */
+#define I2C_PCA_CON_STO		0x10 /* Stop */
+#define I2C_PCA_CON_SI		0x08 /* Serial Interrupt */
+#define I2C_PCA_CON_CR		0x07 /* Clock Rate (MASK) */
+
 struct i2c_algo_pca_data {
-	int  (*get_own)			(struct i2c_algo_pca_data *adap); /* Obtain own address */
-	int  (*get_clock)		(struct i2c_algo_pca_data *adap);
-	void (*write_byte)		(struct i2c_algo_pca_data *adap, int reg, int val);
-	int  (*read_byte)		(struct i2c_algo_pca_data *adap, int reg);
-	int  (*wait_for_interrupt)	(struct i2c_algo_pca_data *adap);
+	void 				*data;	/* private low level data */
+	void (*write_byte)		(void *data, int reg, int val);
+	int  (*read_byte)		(void *data, int reg);
+	int  (*wait_for_completion)	(void *data);
+	void (*reset_chip)		(void *data);
+	/* i2c_clock values are defined in linux/i2c-algo-pca.h */
+	unsigned int			i2c_clock;
 };
 
 int i2c_pca_add_bus(struct i2c_adapter *);
+int i2c_pca_add_numbered_bus(struct i2c_adapter *);
 
 #endif /* _LINUX_I2C_ALGO_PCA_H */

include/linux/i2c-pca-platform.h

+#ifndef I2C_PCA9564_PLATFORM_H
+#define I2C_PCA9564_PLATFORM_H
+
+struct i2c_pca9564_pf_platform_data {
+	int gpio;		/* pin to reset chip. driver will work when
+				 * not supplied (negative value), but it
+				 * cannot exit some error conditions then */
+	int i2c_clock_speed;	/* values are defined in linux/i2c-algo-pca.h */
+	int timeout;		/* timeout = this value * 10us */
+};
+
+#endif /* I2C_PCA9564_PLATFORM_H */