From: Chris Ball <cjb@laptop.org>
To: Linus Walleij <linus.ml.walleij@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>,
Nicolas Pitre <nico@fluxnic.net>,
Jaehoon Chung <jh80.chung@samsung.com>,
Adrian Hunter <adrian.hunter@nokia.com>,
linux-mmc@vger.kernel.org, matt@console-pimps.org,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Pierre Ossman <pierre-list@ossman.eu>,
Kukjin Kim <kgene.kim@samsung.com>
Subject: Re: [RFC RESEND] sdhci-s3c: support clock enable/disable (clock-gating)
Date: Tue, 5 Oct 2010 03:08:50 +0100 [thread overview]
Message-ID: <20101005020848.GA9044@void.printf.net> (raw)
In-Reply-To: <AANLkTikywfU_C4QTQet64aQJgQyyDdTh4xRpaYu6q0di@mail.gmail.com>
Hi Linus,
On Thu, Sep 30, 2010 at 09:22:17AM +0200, Linus Walleij wrote:
> That's it. If there is interest I can surely pick it up and wrap the
> current enable/disable calls around it or even rewrite all drivers
> to use the set_ios() approach as in this patchset I think.
>
> What happened was that I had this iterated a few times as Pierre was
> getting increasingly overloaded and it was on the verge of merging
> when he resigned as MMC maintainer.
>
> The next week or so the big hammer callbacks from OMAP were
> merged as part of their mainline procedure.
>
> I can move the timeing code to wrap the current callbacks
> instead atleast that would make things more according to spec.
Sounds excellent. Thank you!
There are a few groups to keep in touch with on this:
* The omap_hsmmc folks, of course
* Ohad Ben-Cohen has SDIO runtime PM patches¹, which I think should
be merged
* Kevin Hilman is working on converting omap_hsmmc over to runtime PM²
* Matthew Garrett is working on a patch to power down unused SDHCI
devices using runtime PM
- Chris.
¹: http://thread.gmane.org/gmane.linux.kernel.mmc/3968
²: http://git.kernel.org/?p=linux/kernel/git/khilman/linux-omap-pm.git;a=shortlog;h=refs/heads/pm-wip/mmc
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
prev parent reply other threads:[~2010-10-05 2:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 6:46 [RFC RESEND] sdhci-s3c: support clock enable/disable (clock-gating) Jaehoon Chung
2010-09-17 13:40 ` Matt Fleming
2010-09-25 8:21 ` Jae hoon Chung
2010-09-28 5:29 ` Jaehoon Chung
2010-09-29 23:37 ` Chris Ball
2010-09-30 3:42 ` Nicolas Pitre
2010-09-30 4:09 ` Chris Ball
2010-09-30 4:31 ` Kyungmin Park
2010-09-30 7:22 ` Linus Walleij
2010-09-30 13:30 ` Nicolas Pitre
2010-10-05 2:08 ` Chris Ball [this message]
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