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i2c: designware: fixup return handling of wait_for_completion_timeout

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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 <[email protected]>
Reviewed-by: Jarkko Nikula <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Nicholas Mc Guire 2015-02-10 03:11:14 -05:00 • committed by Wolfram Sang
commit 63d51e5919
1 changed files with 1 additions and 2 deletions
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3
drivers/i2c/busses/i2c-designware-core.c
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@ -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);