i2c: designware: Use transfer timeout from ioctl I2C_TIMEOUT

This allows applications to set the transfer timeout in 10ms increments via
ioctl I2C_TIMEOUT.

Signed-off-by: Weifeng Voon <[email protected]>
Acked-by: Jarkko Nikula <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Weifeng Voon 2016-06-17 09:46:35 +08:00 • committed by Wolfram Sang
commit d0bcd8df9a

View file

@ -663,7 +663,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
i2c_dw_xfer_init(dev);
/* wait for tx to complete */
if (!wait_for_completion_timeout(&dev->cmd_complete, HZ)) {
if (!wait_for_completion_timeout(&dev->cmd_complete, adap->timeout)) {
dev_err(dev->dev, "controller timed out\n");
/* i2c_dw_init implicitly disables the adapter */
i2c_dw_init(dev);