From: Arnd Bergmann <arnd@arndb.de>
To: Bernhard Walle <bernhard@bwalle.de>
Cc: Bernhard Walle <walle@corscience.de>,
sameo@linux.intel.com, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org,
Thierry Reding <thierry.reding@avionic-design.de>
Subject: Re: [PATCH] mfd: Add TWL4030 PWM driver
Date: Wed, 21 Mar 2012 08:39:06 +0000 [thread overview]
Message-ID: <201203210839.06258.arnd@arndb.de> (raw)
In-Reply-To: <4F697201.1090206@bwalle.de>
On Wednesday 21 March 2012, Bernhard Walle wrote:
> Am 20.03.12 23:02, schrieb Arnd Bergmann:
> > On Tuesday 20 March 2012, Bernhard Walle wrote:
> >>
> >> This PWM driver uses the PWM of the TWL4030. The driver for the TWL6030
> >> PWM has been used as mode, but the PWM registers are different.
> >>
> >> The driver can be used and has been tested in conjunction with
> >> pwm-backlight to control a backlight LED of a LCD touch screen.
> >>
> >> Signed-off-by: Bernhard Walle <walle@corscience.de>
> >
> > Since it's too late for v3.4 now and we will get a new pwm
> > subsystem in v3.5, I suggest you change the driver to work
> > register with that subsystem instead of just using the old
> > header file. Note that drivers/mfd is not really the right
> > place anyway, because this is not a multifunction driver but
> > just one device driver that happens to be a slave of an mfd.
>
> Does that new subsystem already exist in some tree?
Thierry Reding has been busily posting patches, so he probably has
one that you can use, but I couldn't find it now.
Arnd
next prev parent reply other threads:[~2012-03-21 8:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-20 16:48 [PATCH] mfd: Add TWL4030 PWM driver Bernhard Walle
2012-03-20 22:02 ` Arnd Bergmann
2012-03-21 6:15 ` Bernhard Walle
2012-03-21 8:39 ` Arnd Bergmann [this message]
2012-03-21 8:48 ` Thierry Reding
2012-03-21 10:03 ` Arnd Bergmann
2012-03-21 10:28 ` Thierry Reding
2012-03-21 11:31 ` Sascha Hauer
2012-03-21 16:55 ` Grazvydas Ignotas
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