From: Nicholas Mc Guire Date: Tue, 10 Feb 2015 08:11:14 +0000 (-0500) Subject: i2c: designware: fixup return handling of wait_for_completion_timeout X-Git-Tag: firefly_0821_release~176^2~1979^2~28 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=63d51e591931b878be7a16dacb37868a1e7ae8d1;p=firefly-linux-kernel-4.4.55.git i2c: designware: fixup return handling of wait_for_completion_timeout return type of wait_for_completion_timeout is unsigned long not int, rather than introducing a new variable the wait_for_completion_timeout is moved into the if condition as the return value is only used to detect timeout. Signed-off-by: Nicholas Mc Guire Reviewed-by: Jarkko Nikula Signed-off-by: Wolfram Sang --- diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 6e25c010e690..6f19a33773fe 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -656,8 +656,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) i2c_dw_xfer_init(dev); /* wait for tx to complete */ - ret = wait_for_completion_timeout(&dev->cmd_complete, HZ); - if (ret == 0) { + if (!wait_for_completion_timeout(&dev->cmd_complete, HZ)) { dev_err(dev->dev, "controller timed out\n"); /* i2c_dw_init implicitly disables the adapter */ i2c_dw_init(dev);