linux-kernel - RE: [PATCH] spi/omap2: Let device core handle pinctrl

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Date:	Tue, 7 May 2013 10:47:31 +0000
From:	"Hebbar, Gururaja" <gururaja.hebbar@...com>
To:	Mark Brown <broonie@...nel.org>
CC:	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	"spi-devel-general@...ts.sourceforge.net" 
	<spi-devel-general@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] spi/omap2: Let device core handle pinctrl

On Tue, May 07, 2013 at 14:25:35, Mark Brown wrote:
> On Tue, May 07, 2013 at 03:56:09AM +0000, Hebbar, Gururaja wrote:
> 
> > There are cases where driver('s) needs to place pin-mux's to sleep on suspend
> > & default/idle on resume. For such cases Pinctrl needs to be handled inside 
> > the driver. Example [1].
> 
> Well, obviously - but at the minute the driver is pure boilerplate.

Correct. 

> There's also been some discussion about factoring out the suspend/resume
> code since it's going to get equally repetitive.

Really. Any link/referenceso that I can follow.
But I think each module will have its own work to do. May be I can confirm once 
I look at the factoring-out discussion.

> 
> > I will be submitting a patch to enhance the existing pinctrl support for 
> > spi omap2 shortly which does above work.
> 
> How soon is shortly?

Since I am adding this Pinctrl PM mode support to many other drivers (i2c, 
cpsw, da8xx-fb, hsmmc, ti-pwm, usb ...), I would say Shortly = 1 week - 10 days.

> 


Regards, 
Gururaja
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