Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq

[karo-tx-linux.git] / drivers / i2c / busses / i2c-imx.c

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 75bf820e7ccb912c4efb027e6f2a638ea9ba7021..d1ff9408dc1f2d68cdbe305c6777ba259eed64e4 100644 (file)
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -47,6 +47,7 @@
 #include <linux/sched.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/slab.h>
 
 #include <mach/irqs.h>
 #include <mach/hardware.h>
@@ -145,10 +146,10 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
                                "<%s> I2C Interrupted\n", __func__);
                        return -EINTR;
                }
-               if (time_after(jiffies, orig_jiffies + HZ / 1000)) {
+               if (time_after(jiffies, orig_jiffies + msecs_to_jiffies(500))) {
                        dev_dbg(&i2c_imx->adapter.dev,
                                "<%s> I2C bus is busy\n", __func__);
-                       return -EIO;
+                       return -ETIMEDOUT;
                }
                schedule();
        }
@@ -443,6 +444,8 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter,
                        result = i2c_imx_read(i2c_imx, &msgs[i]);
                else
                        result = i2c_imx_write(i2c_imx, &msgs[i]);
+               if (result)
+                       goto fail0;
        }
 
 fail0:
@@ -627,7 +630,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver i2c_imx_driver = {
-       .probe          = i2c_imx_probe,
        .remove         = __exit_p(i2c_imx_remove),
        .driver = {
                .name   = DRIVER_NAME,