From: Grant Likely <grant.likely@secretlab.ca>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>,
Linus Walleij <linus.walleij@linaro.org>
Cc: Michael Trimarchi <michael@amarulasolutions.com>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH v3] gpio: twl4030: Cache the direction and output states in private data
Date: Sat, 09 Feb 2013 14:15:44 +0000 [thread overview]
Message-ID: <20130209141544.119593E30EC@localhost> (raw)
In-Reply-To: <50EEBD8F.6040101@ti.com>
On Thu, 10 Jan 2013 14:09:35 +0100, Peter Ujfalusi <peter.ujfalusi@ti.com> wrote:
> Hi Linus,
>
> On 01/10/2013 11:41 AM, Linus Walleij wrote:
> > On Thu, Dec 20, 2012 at 10:44 AM, Peter Ujfalusi <peter.ujfalusi@ti.com> wrote:
> >
> >> Use more coherent locking in the driver. Use bitfield to store the GPIO
> >> direction and if the pin is configured as output store the status also in a
> >> bitfiled.
> >> In this way we can just look at these bitfields when we need information
> >> about the pin status and only reach out to the chip when it is needed.
> >>
> >> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> >> Acked-by: Linus Walleij <linus.walleij@linaro.org>
> >> ---
> >> Hi Grant,
> >>
> >> Changes sicne v2:
> >> - Fixed the mutex_unlock found by Michael.
> >> - Removed the debug prints addedd by v2 patch (remains from debugging)
> >> - Removed one blank line between includes and the first comment section.
> >
> > Sorry Peter this must have been missed somehow.
> >
> > This does not apply to the current v3.8-rc3, could you respin
> > this on top of Torvalds' tree?
>
> Grant applied the patch which this one depends on:
> [1] https://patchwork.kernel.org/patch/1844511/
I had applied it, never pushed the tree out because I wasn't able to
test my kernel tree for a couple of weeks due to travel. I saw the patch
in Linus' tree and pulled it out of mine before I pushed it out.
g.
prev parent reply other threads:[~2013-02-09 14:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-20 9:44 [PATCH v3] gpio: twl4030: Cache the direction and output states in private data Peter Ujfalusi
2012-12-20 9:44 ` Peter Ujfalusi
2013-01-10 10:41 ` Linus Walleij
2013-01-10 13:09 ` Peter Ujfalusi
2013-01-10 13:09 ` Peter Ujfalusi
2013-01-17 10:43 ` Linus Walleij
2013-01-17 13:45 ` Peter Ujfalusi
2013-01-17 13:45 ` Peter Ujfalusi
2013-02-09 14:15 ` Grant Likely [this message]
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