i2c: cadence: fixup wait_for_completion_timeout return handling

return type of wait_for_completion_timeout is unsigned long not int. The
return variable is renamed to make the timeout condition clearly readable
and the type adjusted to unsigned long.

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

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index 7d7a14cdadfb..2ee78e099d30 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -475,7 +475,7 @@ static void cdns_i2c_master_reset(struct i2c_adapter *adap)
 static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
                 struct i2c_adapter *adap)
 {
-        int ret;
+        unsigned long time_left;
         u32 reg;
 
         id->p_msg = msg;
@@ -501,8 +501,8 @@ static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
                 cdns_i2c_msend(id);
 
         /* Wait for the signal of completion */
-        ret = wait_for_completion_timeout(&id->xfer_done, adap->timeout);
-        if (!ret) {
+        time_left = wait_for_completion_timeout(&id->xfer_done, adap->timeout);
+        if (time_left == 0) {
                 cdns_i2c_master_reset(adap);
                 dev_err(id->adap.dev.parent,
                                 "timeout waiting on completion\n");