Merge branch 'for-linus/2640/i2c' of git://git.fluff.org/bjdooks/linux

* 'for-linus/2640/i2c' of git://git.fluff.org/bjdooks/linux: (21 commits)
  mach-ux500: set proper I2C platform data from MOP500s
  i2c-nomadik: break out single messsage transmission
  i2c-nomadik: reset the hw after status check
  i2c-nomadik: remove the unnecessary delay
  i2c-nomadik: change the TX and RX threshold
  i2c-nomadik: add code to retry on timeout failure
  i2c-nomadik: use pm_runtime API
  i2c-nomadik: print abort cause only on abort tag
  i2c-nomadik: correct adapter timeout initialization
  i2c-nomadik: remove the redundant error message
  i2c-nomadik: corrrect returned error numbers
  i2c-nomadik: fix speed enumerator
  i2c-nomadik: make i2c timeout specific per i2c bus
  i2c-nomadik: add regulator support
  i2c: i2c-sh_mobile bus speed platform data V2
  i2c: i2c-sh_mobile clock string removal
  i2c-eg20t: Support new device ML7223 IOH
  i2c: tegra: Add de-bounce cycles.
  i2c: tegra: fix repeated start handling
  i2c: tegra: recover from spurious interrupt storm
  ...

1 files changed, 13 insertions, 6 deletions

diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 81ccd787562..f633a53b6db 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -32,6 +32,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/slab.h>
+#include <linux/i2c/i2c-sh_mobile.h>
 
 /* Transmit operation:                                                      */
 /*                                                                          */
@@ -117,7 +118,7 @@ struct sh_mobile_i2c_data {
 	struct device *dev;
 	void __iomem *reg;
 	struct i2c_adapter adap;
-
+	unsigned long bus_speed;
 	struct clk *clk;
 	u_int8_t icic;
 	u_int8_t iccl;
@@ -205,7 +206,7 @@ static void activate_ch(struct sh_mobile_i2c_data *pd)
 	 * We also round off the result.
 	 */
 	num = i2c_clk * 5;
-	denom = NORMAL_SPEED * 9;
+	denom = pd->bus_speed * 9;
 	tmp = num * 10 / denom;
 	if (tmp % 10 >= 5)
 		pd->iccl = (u_int8_t)((num/denom) + 1);
@@ -574,10 +575,10 @@ static int sh_mobile_i2c_hook_irqs(struct platform_device *dev, int hook)
 
 static int sh_mobile_i2c_probe(struct platform_device *dev)
 {
+	struct i2c_sh_mobile_platform_data *pdata = dev->dev.platform_data;
 	struct sh_mobile_i2c_data *pd;
 	struct i2c_adapter *adap;
 	struct resource *res;
-	char clk_name[8];
 	int size;
 	int ret;
 
@@ -587,10 +588,9 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
 		return -ENOMEM;
 	}
 
-	snprintf(clk_name, sizeof(clk_name), "i2c%d", dev->id);
-	pd->clk = clk_get(&dev->dev, clk_name);
+	pd->clk = clk_get(&dev->dev, NULL);
 	if (IS_ERR(pd->clk)) {
-		dev_err(&dev->dev, "cannot get clock \"%s\"\n", clk_name);
+		dev_err(&dev->dev, "cannot get clock\n");
 		ret = PTR_ERR(pd->clk);
 		goto err;
 	}
@@ -620,6 +620,11 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
 		goto err_irq;
 	}
 
+	/* Use platformd data bus speed or NORMAL_SPEED */
+	pd->bus_speed = NORMAL_SPEED;
+	if (pdata && pdata->bus_speed)
+		pd->bus_speed = pdata->bus_speed;
+
 	/* The IIC blocks on SH-Mobile ARM processors
 	 * come with two new bits in ICIC.
 	 */
@@ -660,6 +665,8 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
 		goto err_all;
 	}
 
+	dev_info(&dev->dev, "I2C adapter %d with bus speed %lu Hz\n",
+		 adap->nr, pd->bus_speed);
 	return 0;
 
  err_all: