On Fri, Oct 23, 2015 at 08:28:54PM +0800, Gao Pan wrote: > Implement bus recovery methods for i2c-imx so we can recover from > situations where SCL/SDA are stuck low. > > Once i2c bus SCL/SDA are stuck low during transfer, config the i2c > pinctrl to gpio mode by calling pinctrl sleep set function, and then > use GPIO to emulate the i2c protocol to send nine dummy clock to recover > i2c device. After recovery, set i2c pinctrl to default group setting. > > Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx> > Signed-off-by: Gao Pan <b54642@xxxxxxxxxxxxx> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Applied to for-next, thanks!
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