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-s3c2410: Build fix
  i2c/menelaus: Build fix
  i2c-mv64xxx: Reinitialize hw and driver on I2C bus hang
  i2c-mpc: Don't disable I2C module on stop condition
  i2c-iop3xx: Set I2C_CLASS_HWMON to adapter class
  i2c/isp1301_omap: Build fixes, whitespace
  i2c-mpc: Pass correct dev_id to free_irq on error path
  i2c-i801: Typo: erroneous

7 files changed, 51 insertions, 45 deletions

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 8f5c686..289816d 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -272,11 +272,11 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
 		/* Make sure the SMBus host is ready to start transmitting */
 		temp = inb_p(SMBHSTSTS);
 		if (i == 1) {
-			/* Erronenous conditions before transaction:
+			/* Erroneous conditions before transaction:
 			 * Byte_Done, Failed, Bus_Err, Dev_Err, Intr, Host_Busy */
 			errmask = 0x9f;
 		} else {
-			/* Erronenous conditions during transaction:
+			/* Erroneous conditions during transaction:
 			 * Failed, Bus_Err, Dev_Err, Intr */
 			errmask = 0x1e;
 		}
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 440342b..ace644e 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -490,6 +490,7 @@ iop3xx_i2c_probe(struct platform_device *pdev)
 	memcpy(new_adapter->name, pdev->name, strlen(pdev->name));
 	new_adapter->id = I2C_HW_IOP3XX;
 	new_adapter->owner = THIS_MODULE;
+	new_adapter->class = I2C_CLASS_HWMON;
 	new_adapter->dev.parent = &pdev->dev;
 	new_adapter->nr = pdev->id;
 
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 851c3ed..d8de4ac 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -105,6 +105,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
 			schedule();
 			if (time_after(jiffies, orig_jiffies + timeout)) {
 				pr_debug("I2C: timeout\n");
+				writeccr(i2c, 0);
 				result = -EIO;
 				break;
 			}
@@ -116,10 +117,12 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
 		result = wait_event_interruptible_timeout(i2c->queue,
 			(i2c->interrupt & CSR_MIF), timeout * HZ);
 
-		if (unlikely(result < 0))
+		if (unlikely(result < 0)) {
 			pr_debug("I2C: wait interrupted\n");
-		else if (unlikely(!(i2c->interrupt & CSR_MIF))) {
+			writeccr(i2c, 0);
+		} else if (unlikely(!(i2c->interrupt & CSR_MIF))) {
 			pr_debug("I2C: wait timeout\n");
+			writeccr(i2c, 0);
 			result = -ETIMEDOUT;
 		}
 
@@ -172,7 +175,6 @@ static void mpc_i2c_start(struct mpc_i2c *i2c)
 static void mpc_i2c_stop(struct mpc_i2c *i2c)
 {
 	writeccr(i2c, CCR_MEN);
-	writeccr(i2c, 0);
 }
 
 static int mpc_write(struct mpc_i2c *i2c, int target,
@@ -261,6 +263,7 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 	while (readb(i2c->base + MPC_I2C_SR) & CSR_MBB) {
 		if (signal_pending(current)) {
 			pr_debug("I2C: Interrupted\n");
+			writeccr(i2c, 0);
 			return -EINTR;
 		}
 		if (time_after(jiffies, orig_jiffies + HZ)) {
@@ -362,7 +365,7 @@ static int fsl_i2c_probe(struct platform_device *pdev)
 
       fail_add:
 	if (i2c->irq != 0)
-		free_irq(i2c->irq, NULL);
+		free_irq(i2c->irq, i2c);
       fail_irq:
 	iounmap(i2c->base);
       fail_map:
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 251154a..bb7bf68 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -107,6 +107,21 @@ struct mv64xxx_i2c_data {
  *
  *****************************************************************************
  */
+
+/* Reset hardware and initialize FSM */
+static void
+mv64xxx_i2c_hw_init(struct mv64xxx_i2c_data *drv_data)
+{
+	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_SOFT_RESET);
+	writel((((drv_data->freq_m & 0xf) << 3) | (drv_data->freq_n & 0x7)),
+		drv_data->reg_base + MV64XXX_I2C_REG_BAUD);
+	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_SLAVE_ADDR);
+	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_EXT_SLAVE_ADDR);
+	writel(MV64XXX_I2C_REG_CONTROL_TWSIEN | MV64XXX_I2C_REG_CONTROL_STOP,
+		drv_data->reg_base + MV64XXX_I2C_REG_CONTROL);
+	drv_data->state = MV64XXX_I2C_STATE_IDLE;
+}
+
 static void
 mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
 {
@@ -203,7 +218,7 @@ mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
 			 drv_data->state, status, drv_data->msg->addr,
 			 drv_data->msg->flags);
 		drv_data->action = MV64XXX_I2C_ACTION_SEND_STOP;
-		drv_data->state = MV64XXX_I2C_STATE_IDLE;
+		mv64xxx_i2c_hw_init(drv_data);
 		drv_data->rc = -EIO;
 	}
 }
@@ -367,6 +382,7 @@ mv64xxx_i2c_wait_for_completion(struct mv64xxx_i2c_data *drv_data)
 				"mv64xxx: I2C bus locked, block: %d, "
 				"time_left: %d\n", drv_data->block,
 				(int)time_left);
+			mv64xxx_i2c_hw_init(drv_data);
 		}
 	} else
 		spin_unlock_irqrestore(&drv_data->lock, flags);
@@ -443,19 +459,6 @@ static const struct i2c_algorithm mv64xxx_i2c_algo = {
  *
  *****************************************************************************
  */
-static void __devinit
-mv64xxx_i2c_hw_init(struct mv64xxx_i2c_data *drv_data)
-{
-	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_SOFT_RESET);
-	writel((((drv_data->freq_m & 0xf) << 3) | (drv_data->freq_n & 0x7)),
-		drv_data->reg_base + MV64XXX_I2C_REG_BAUD);
-	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_SLAVE_ADDR);
-	writel(0, drv_data->reg_base + MV64XXX_I2C_REG_EXT_SLAVE_ADDR);
-	writel(MV64XXX_I2C_REG_CONTROL_TWSIEN | MV64XXX_I2C_REG_CONTROL_STOP,
-		drv_data->reg_base + MV64XXX_I2C_REG_CONTROL);
-	drv_data->state = MV64XXX_I2C_STATE_IDLE;
-}
-
 static int __devinit
 mv64xxx_i2c_map_regs(struct platform_device *pd,
 	struct mv64xxx_i2c_data *drv_data)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index e4540fc..c44ada5 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -39,8 +39,8 @@
 #include <asm/io.h>
 
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-iic.h>
-#include <asm/arch/iic.h>
+#include <asm/plat-s3c/regs-iic.h>
+#include <asm/plat-s3c/iic.h>
 
 /* i2c controller state */
 
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index 9fafadb..fe04e46 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -18,8 +18,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#undef	DEBUG
-#undef	VERBOSE
 
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -44,7 +42,7 @@
 
 
 #define	DRIVER_VERSION	"24 August 2004"
-#define	DRIVER_NAME	(isp1301_driver.name)
+#define	DRIVER_NAME	(isp1301_driver.driver.name)
 
 MODULE_DESCRIPTION("ISP1301 USB OTG Transceiver Driver");
 MODULE_LICENSE("GPL");
@@ -55,6 +53,7 @@ struct isp1301 {
 	void			(*i2c_release)(struct device *dev);
 
 	int			irq;
+	int			irq_type;
 
 	u32			last_otg_ctrl;
 	unsigned		working:1;
@@ -63,7 +62,7 @@ struct isp1301 {
 
 	/* use keventd context to change the state for us */
 	struct work_struct	work;
-	
+
 	unsigned long		todo;
 #		define WORK_UPDATE_ISP	0	/* update ISP from OTG */
 #		define WORK_UPDATE_OTG	1	/* update OTG from ISP */
@@ -94,7 +93,7 @@ struct isp1301 {
 
 /* board-specific PM hooks */
 
-#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
 #include <asm/arch/mux.h>
 #include <asm/mach-types.h>
 
@@ -291,7 +290,7 @@ static void power_up(struct isp1301 *isp)
 {
 	// isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
 	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND_REG);
-	
+
 	/* do this only when cpu is driving transceiver,
 	 * so host won't see a low speed device...
 	 */
@@ -799,7 +798,7 @@ static irqreturn_t omap_otg_irq(int irq, void *_isp)
 		/* role is host */
 		} else {
 			if (!(otg_ctrl & OTG_ID)) {
-		 		otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
+				otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
 				OTG_CTRL_REG = otg_ctrl | OTG_A_BUSREQ;
 			}
 
@@ -1100,9 +1099,9 @@ static u8 isp1301_clear_latch(struct isp1301 *isp)
 }
 
 static void
-isp1301_work(void *data)
+isp1301_work(struct work_struct *work)
 {
-	struct isp1301	*isp = data;
+	struct isp1301	*isp = container_of(work, struct isp1301, work);
 	int		stop;
 
 	/* implicit lock:  we're the only task using this device */
@@ -1244,7 +1243,7 @@ static int isp1301_detach_client(struct i2c_client *i2c)
  *  - DEVICE mode, for when there's a B/Mini-B (device) connector
  *
  * As a rule, you won't have an isp1301 chip unless it's there to
- * support the OTG mode.  Other modes help testing USB controllers 
+ * support the OTG mode.  Other modes help testing USB controllers
  * in isolation from (full) OTG support, or maybe so later board
  * revisions can help to support those feature.
  */
@@ -1260,9 +1259,9 @@ static int isp1301_otg_enable(struct isp1301 *isp)
 	 * a few more interrupts than are strictly needed.
 	 */
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-	 	INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
+		INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-	 	INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
+		INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
 
 	dev_info(&isp->client.dev, "ready for dual-role USB ...\n");
 
@@ -1306,9 +1305,9 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
 
 	dev_info(&isp->client.dev, "A-Host sessions ok\n");
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-	 	INTR_ID_GND);
+		INTR_ID_GND);
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-	 	INTR_ID_GND);
+		INTR_ID_GND);
 
 	/* If this has a Mini-AB connector, this mode is highly
 	 * nonstandard ... but can be handy for testing, especially with
@@ -1368,9 +1367,9 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
 		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
 
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-	 	INTR_SESS_VLD);
+		INTR_SESS_VLD);
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-	 	INTR_VBUS_VLD);
+		INTR_VBUS_VLD);
 	dev_info(&isp->client.dev, "B-Peripheral sessions ok\n");
 	dump_regs(isp, __FUNCTION__);
 
@@ -1494,7 +1493,7 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind)
 	if (!isp)
 		return 0;
 
-	INIT_WORK(&isp->work, isp1301_work, isp);
+	INIT_WORK(&isp->work, isp1301_work);
 	init_timer(&isp->timer);
 	isp->timer.function = isp1301_timer;
 	isp->timer.data = (unsigned long) isp;
@@ -1572,13 +1571,14 @@ fail1:
 		/* IRQ wired at M14 */
 		omap_cfg_reg(M14_1510_GPIO2);
 		isp->irq = OMAP_GPIO_IRQ(2);
-		omap_request_gpio(2);
-		omap_set_gpio_direction(2, 1);
-		omap_set_gpio_edge_ctrl(2, OMAP_GPIO_FALLING_EDGE);
+		if (gpio_request(2, "isp1301") == 0)
+			gpio_direction_input(2);
+		isp->irq_type = IRQF_TRIGGER_FALLING;
 	}
 
+	isp->irq_type |= IRQF_SAMPLE_RANDOM;
 	status = request_irq(isp->irq, isp1301_irq,
-			IRQF_SAMPLE_RANDOM, DRIVER_NAME, isp);
+			isp->irq_type, DRIVER_NAME, isp);
 	if (status < 0) {
 		dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n",
 				isp->irq, status);
diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
index 48a7e2f..d9c92c5 100644
--- a/drivers/i2c/chips/menelaus.c
+++ b/drivers/i2c/chips/menelaus.c
@@ -1,4 +1,3 @@
-#define DEBUG
 /*
  * Copyright (C) 2004 Texas Instruments, Inc.
  *
@@ -933,7 +932,7 @@ static int menelaus_set_time(struct device *dev, struct rtc_time *t)
 		return status;
 	status = menelaus_write_reg(MENELAUS_RTC_WKDAY, BIN2BCD(t->tm_wday));
 	if (status < 0) {
-		dev_err(&the_menelaus->client->dev, "rtc write reg %02x",
+		dev_err(&the_menelaus->client->dev, "rtc write reg %02x "
 				"err %d\n", MENELAUS_RTC_WKDAY, status);
 		return status;
 	}