linux-kernel - Re: [RESEND PATCH] pwm: pwm-atmel-tcb: pinctrl support

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Date:	Fri, 24 May 2013 21:45:22 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	boris brezillon <b.brezillon@...rkiz.com>
Cc:	Thierry Reding <thierry.reding@...onic-design.de>,
	linux-kernel@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: Re: [RESEND PATCH] pwm: pwm-atmel-tcb: pinctrl support

On 10:15 Fri 24 May     , boris brezillon wrote:
> On 23/05/2013 21:35, Thierry Reding wrote:
> >On Thu, May 23, 2013 at 06:38:52PM +0200, Boris BREZILLON wrote:
> >>Hello,
> >>
> >>I sent a patch 1 month ago to add pinctrl support to pwm-atmel-tcb
> >>driver and didn't get any review.
> >>
> >>Could you take a look?
> >>
> >>This patch adds pins request for the pwm device exposed by the TC
> >>block using the pinctrl subsystem.
> >I was actually looking at this a few days back and thought I remembered
> >this being handled in the core now. There was some discussion about this
> >back in January (?) as far as I remember. I just verified that indeed
> >there is code in the driver core code to do this. See commit:
> >
> >	ab78029ecc347debbd737f06688d788bd9d60c1d  drivers/pinctrl: grab default handles from device core
> >
> >Are you sure this is really necessary in the driver?
> No.
> 
> Thanks for pointing this commit out (I didn't notice the default
> handles were grabbed
> from device core).
> 
> I'll test it without this patch.

You can drop it, it's handled at core level for every struct device

Best Regards,
J.
> 
> Best Regards,
> Boris
> >Thierry
> 
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