Re: [PATCH v4] iio: adc: Add TI ADS1015 ADC driver support
From: Michael Welling
Date: Wed Feb 10 2016 - 11:36:56 EST
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 itâs 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
>
>
>