From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmc: mmci: Gate the clock in runtime suspend to save power
Date: Tue, 11 Dec 2012 14:52:43 +0000 [thread overview]
Message-ID: <20121211145243.GQ14363@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1355235474-12783-1-git-send-email-ulf.hansson@stericsson.com>
On Tue, Dec 11, 2012 at 03:17:54PM +0100, Ulf Hansson wrote:
> From: Ulf Hansson <ulf.hansson@linaro.org>
>
> The amba bus is already performing same actions but for the apb_pclk.
> So here we just make sure the clock to card is gated as well to save
> more power. At runtime resume we will thus restore the clock again.
And how exactly do you ensure the requirement that a certain number of
clocks is supplied to the card after the last command before you cut
the clock?
next prev parent reply other threads:[~2012-12-11 14:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-11 14:17 [PATCH] mmc: mmci: Gate the clock in runtime suspend to save power Ulf Hansson
2012-12-11 14:35 ` Linus Walleij
2012-12-11 14:52 ` Russell King - ARM Linux [this message]
2012-12-12 6:53 ` Linus Walleij
2012-12-12 11:02 ` Ulf Hansson
2012-12-12 18:54 ` Linus Walleij
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