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>
diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index 7d7a14c..2ee78e0 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -475,7 +475,7 @@
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 @@
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");
