linux-kernel - Re: i.MX pwm patches

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Message-ID: <20120831130502.GR26594@pengutronix.de>
Date:	Fri, 31 Aug 2012 15:05:02 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Shawn Guo <shawn.guo@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	HACHIMI Samir <shachimi@...neo-embedded.com>,
	thierry.reding@...onic-design.de, linux-kernel@...r.kernel.org,
	Benoît Thébaudeau 
	<benoit.thebaudeau@...ansee.com>
Subject: Re: i.MX pwm patches

On Fri, Aug 31, 2012 at 05:45:49AM +0800, Shawn Guo wrote:
> On Tue, Aug 28, 2012 at 01:48:15PM +0200, Sascha Hauer wrote:
> > Hi All,
> > 
> > The following patches are an overdue work on the i.MX pwm driver.
> > 
> > - introduce SoC specific functions to make the driver easier to maintain
> > - use peripheral clock for pwm output unconditionally
> > - separate the two clocks this module has
> > - enable ipg clock for register accesses, peripheral clock for enabling
> >   the pwm
> > - make the driver safe for calling pwm_config before pwm_enable
> > - Add devicetree support for i.MX53
> > 
> > The platform device support is still implemented using cpu_is_*, I think
> > this can be dropped completely soon
> 
> Anything stops us from doing this right now?  The bonus point of
> cleaning this is that we can remove the #include <mach/hardware.h>
> from the driver, which is helpful for single-kernel project.

The pwm driver currently has no in kernel user, so I'd say yes.

Sascha

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