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From: Michael Welling <mwelling-EkmVulN54Sk@public.gmane.org>
To: Sricharan <sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: 'Daniel Baluta'
	<daniel.baluta-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	'Wolfram Sang' <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
	'Jonathan Cameron'
	<jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	'Hartmut Knaack' <knaack.h-Mmb7MZpHnFY@public.gmane.org>,
	'Lars-Peter Clausen'
	<lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
	'Peter Meerwald-Stadler'
	<pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>,
	'Linux Kernel Mailing List'
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	'Lucas De Marchi'
	<lucas.demarchi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	'Andy Gross' <agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	'Pramod Gurav'
	<pramod.gurav-edOiRQu9Xnj5XLMNweQjbQ@public.gmane.org>,
	'Bjorn Andersson'
	<bjorn.andersson-/MT0OVThwyLZJqsBc5GL+g@public.gmane.org>,
	'Guenter Roeck' <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	eibach-dJ+jgKLZIg4@public.gmane.org,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v4] iio: adc: Add TI ADS1015 ADC driver support
Date: Wed, 10 Feb 2016 10:36:22 -0600	[thread overview]
Message-ID: <20160210163622.GA1390@deathstar> (raw)
In-Reply-To: <003201d16415$0eb1a8f0$2c14fad0$@codeaurora.org>

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
>   
> 
> 

  reply	other threads:[~2016-02-10 16:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1454678238-16313-1-git-send-email-daniel.baluta@intel.com>
     [not found] ` <20160205172457.GA16778@deathstar>
     [not found]   ` <CAEnQRZAjgn3Y0618MgO284DMc_9cE49b9jeUr0j2HwUK6YK+0A@mail.gmail.com>
     [not found]     ` <20160206003245.GA1329@deathstar>
2016-02-08 10:25       ` [PATCH v4] iio: adc: Add TI ADS1015 ADC driver support Wolfram Sang
2016-02-08 14:44         ` Daniel Baluta
     [not found]           ` <CAEnQRZAQjhQRdzYUvo=aKgQScAyGUgp8Ni7nx9cEo1XhN_8Xyw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-08 15:03             ` Daniel Baluta
2016-02-08 16:37           ` Michael Welling
2016-02-08 16:36         ` Michael Welling
2016-02-08 19:11           ` Sricharan
2016-02-08 19:16             ` Michael Welling
2016-02-08 20:00               ` Wolfram Sang
2016-02-08 20:06                 ` Michael Welling
2016-02-10 12:22               ` Sricharan
2016-02-10 12:56                 ` Daniel Baluta
     [not found]                   ` <CAEnQRZCzkq5wFsS7Ydby+bsFJTbGVq=AX9TLkkhfMKOG8gAZHA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-10 15:09                     ` Sricharan
2016-02-10 16:36                       ` Michael Welling [this message]
2016-02-17 23:53                         ` Michael Welling
2016-02-18  8:45                           ` Sricharan

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