From: Daniel Mack <daniel@caiaq.de> To: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: linux-kernel@vger.kernel.org, Liam Girdwood <lrg@slimlogic.co.uk>, Pierre Ossman <pierre@ossman.eu>, Andrew Morton <akpm@linux-foundation.org>, Matt Fleming <matt@console-pimps.org>, Adrian Hunter <adrian.hunter@nokia.com>, David Brownell <dbrownell@users.sourceforge.net>, Russell King <rmk+kernel@arm.linux.org.uk>, Linus Walleij <linus.walleij@stericsson.com>, Eric Miao <eric.y.miao@gmail.com>, Robert Jarzmik <robert.jarzmik@free.fr>, Cliff Brake <cbrake@bec-systems.com>, Jarkko Lavinen <jarkko.lavinen@nokia.com>, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] mmc: move regulator handling to core Date: Thu, 3 Dec 2009 14:43:24 +0100 [thread overview] Message-ID: <20091203134324.GB14091@buzzloop.caiaq.de> (raw) In-Reply-To: <20091203134031.GA1311@rakim.wolfsonmicro.main> On Thu, Dec 03, 2009 at 01:40:32PM +0000, Mark Brown wrote: > On Thu, Dec 03, 2009 at 02:32:00PM +0100, Daniel Mack wrote: [...] > > The mmci people would need to answer that. To me, the code just looked > > like a power saving feature. > > > If this driver needs it, the only tweak to my patch to let that > > particular call site use regulator_get_exclusive, and the core will > > still do the right thing. For this case, the behaviour should be exactly > > the same than it currently is, correct? > > No, you'll also need to update the way the driver bootstraps the > reference count since with regulator_get_exclusive() the reference count > is initialised to 1 if the regulator is enabled when it is claimed. Ok, fine. It's still just the driver which would need amendment, not the core. Thanks for explaining this. Let's wait for the mmci maintainers to speak up on this particular point. Thanks, Daniel
WARNING: multiple messages have this Message-ID (diff)
From: daniel@caiaq.de (Daniel Mack) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] mmc: move regulator handling to core Date: Thu, 3 Dec 2009 14:43:24 +0100 [thread overview] Message-ID: <20091203134324.GB14091@buzzloop.caiaq.de> (raw) In-Reply-To: <20091203134031.GA1311@rakim.wolfsonmicro.main> On Thu, Dec 03, 2009 at 01:40:32PM +0000, Mark Brown wrote: > On Thu, Dec 03, 2009 at 02:32:00PM +0100, Daniel Mack wrote: [...] > > The mmci people would need to answer that. To me, the code just looked > > like a power saving feature. > > > If this driver needs it, the only tweak to my patch to let that > > particular call site use regulator_get_exclusive, and the core will > > still do the right thing. For this case, the behaviour should be exactly > > the same than it currently is, correct? > > No, you'll also need to update the way the driver bootstraps the > reference count since with regulator_get_exclusive() the reference count > is initialised to 1 if the regulator is enabled when it is claimed. Ok, fine. It's still just the driver which would need amendment, not the core. Thanks for explaining this. Let's wait for the mmci maintainers to speak up on this particular point. Thanks, Daniel
next prev parent reply other threads:[~2009-12-03 13:43 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-12-03 12:46 [PATCH] mmc: move regulator handling to core Daniel Mack 2009-12-03 12:46 ` Daniel Mack 2009-12-03 13:06 ` Mark Brown 2009-12-03 13:06 ` Mark Brown 2009-12-03 13:14 ` Daniel Mack 2009-12-03 13:14 ` Daniel Mack 2009-12-03 13:22 ` Mark Brown 2009-12-03 13:22 ` Mark Brown 2009-12-03 13:32 ` Daniel Mack 2009-12-03 13:32 ` Daniel Mack 2009-12-03 13:40 ` Mark Brown 2009-12-03 13:40 ` Mark Brown 2009-12-03 13:43 ` Daniel Mack [this message] 2009-12-03 13:43 ` Daniel Mack 2009-12-03 14:58 ` Russell King - ARM Linux 2009-12-03 14:58 ` Russell King - ARM Linux 2009-12-03 15:09 ` Mark Brown 2009-12-03 15:09 ` Mark Brown 2009-12-03 14:27 ` Adrian Hunter 2009-12-03 14:27 ` Adrian Hunter 2009-12-03 14:27 ` Adrian Hunter 2009-12-03 19:20 ` Daniel Mack 2009-12-03 19:20 ` Daniel Mack 2009-12-03 19:20 ` Daniel Mack 2009-12-03 20:12 ` Adrian Hunter 2009-12-03 20:12 ` Adrian Hunter 2009-12-03 20:12 ` Adrian Hunter 2009-12-04 11:58 ` Daniel Mack 2009-12-04 11:58 ` Daniel Mack 2009-12-04 11:58 ` Daniel Mack 2009-12-12 0:58 ` Daniel Mack 2009-12-12 0:58 ` Daniel Mack 2009-12-12 0:58 ` Daniel Mack 2009-12-14 17:43 ` Madhusudhan 2009-12-14 17:43 ` Madhusudhan 2009-12-14 17:43 ` Madhusudhan 2009-12-15 5:44 ` David Brownell 2009-12-15 5:44 ` David Brownell 2009-12-15 5:44 ` David Brownell 2010-08-27 19:03 ` Chris Ball 2010-08-27 19:03 ` Chris Ball 2010-08-28 14:48 ` Linus Walleij 2010-08-28 14:48 ` Linus Walleij 2010-08-29 13:27 ` Mark Brown 2010-08-29 13:27 ` Mark Brown 2010-08-29 15:30 ` Linus Walleij 2010-08-29 15:30 ` Linus Walleij 2010-08-31 11:07 ` Mark Brown 2010-08-31 11:07 ` Mark Brown 2010-08-31 12:15 ` Linus Walleij 2010-08-31 12:15 ` Linus Walleij 2010-08-31 12:15 ` Linus Walleij
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