i2c: imx: match return type of wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int.
An appropriate variable of type unsigned long is introduced and the
assignments fixed up.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index d7b26fc6f432..a53a7dd66945 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -601,6 +601,7 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx,
                                         struct i2c_msg *msgs)
 {
         int result;
+        unsigned long time_left;
         unsigned int temp = 0;
         unsigned long orig_jiffies = jiffies;
         struct imx_i2c_dma *dma = i2c_imx->dma;
@@ -624,10 +625,10 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx,
          */
         imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR);
         reinit_completion(&i2c_imx->dma->cmd_complete);
-        result = wait_for_completion_timeout(
+        time_left = wait_for_completion_timeout(
                                 &i2c_imx->dma->cmd_complete,
                                 msecs_to_jiffies(DMA_TIMEOUT));
-        if (result == 0) {
+        if (time_left == 0) {
                 dmaengine_terminate_all(dma->chan_using);
                 return -ETIMEDOUT;
         }
@@ -663,6 +664,7 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
                         struct i2c_msg *msgs, bool is_lastmsg)
 {
         int result;
+        unsigned long time_left;
         unsigned int temp;
         unsigned long orig_jiffies = jiffies;
         struct imx_i2c_dma *dma = i2c_imx->dma;
@@ -682,10 +684,10 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
                 return result;
 
         reinit_completion(&i2c_imx->dma->cmd_complete);
-        result = wait_for_completion_timeout(
+        time_left = wait_for_completion_timeout(
                                 &i2c_imx->dma->cmd_complete,
                                 msecs_to_jiffies(DMA_TIMEOUT));
-        if (result == 0) {
+        if (time_left == 0) {
                 dmaengine_terminate_all(dma->chan_using);
                 return -ETIMEDOUT;
         }