On Wed, Feb 10, 2016 at 08:39:04PM +0530, Sricharan wrote: > > Hi Sricharan, > > > > Are you looking at pca9685_pwm_probe in drivers/pwm/pwm-pca9685.c > > right? > > > Yes. > > > I'm asking this because this driver doesn't seem to support runtime pm and > > there is no check for regmap_write/regmap_write return code in the probe > > function. > Hmm to be clear, so it’s the pm_runtime_getsync from i2c-qup which fails > right ? > I was tracking that when there are i2c_xfers from pwm. I did not see any > failures there. > So wanted to know the correct sequence to reproduce. >
The problem was discovered using the patch that this thread is on. The PWM driver does not have the problem. When the driver in this patch called pm_runtime_get_sync you got -EINVAL back. > Regards, > Sricharan > > >
