From 1abdd5d957e1fc789a2981d27399f56b0682f53e Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <hofrat@osadl.org>
Date: Sun, 8 Feb 2015 03:03:30 -0500
Subject: [PATCH] i2c: ismt: fix type of return var of
wait_for_completion_timeout
return type of wait_for_completion_timeout is unsigned long not int. As
ret is in used for other calls a new appropriately typed variable timeout
is added to handle wait_for_completion_timeout
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
drivers/i2c/busses/i2c-ismt.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index f2b0ff011631c9..f994712d090473 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -380,6 +380,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
int size, union i2c_smbus_data *data)
{
int ret;
+ unsigned long time_left;
dma_addr_t dma_addr = 0; /* address of the data buffer */
u8 dma_size = 0;
enum dma_data_direction dma_direction = 0;
@@ -578,13 +579,13 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
ismt_submit_desc(priv);
/* Now we wait for interrupt completion, 1s */
- ret = wait_for_completion_timeout(&priv->cmp, HZ*1);
+ time_left = wait_for_completion_timeout(&priv->cmp, HZ*1);
/* unmap the data buffer */
if (dma_size != 0)
dma_unmap_single(&adap->dev, dma_addr, dma_size, dma_direction);
- if (unlikely(!ret)) {
+ if (unlikely(!time_left)) {
dev_err(dev, "completion wait timed out\n");
ret = -ETIMEDOUT;
goto out;
--
GitLab