From: Mark Brown <broonie@kernel.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Alessandro Rubini <rubini@unipv.it>,
Linus Walleij <linus.walleij@linaro.org>,
Wolfram Sang <wsa@the-dreams.de>, Chris Ball <chris@printf.net>,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-spi@vger.kernel.org, linux-mmc@vger.kernel.org
Subject: Re: [PATCH 08/17] spi: pl022: Fully gate clocks at request inactivity
Date: Tue, 4 Feb 2014 17:07:46 +0000 [thread overview]
Message-ID: <20140204170746.GD22609@sirena.org.uk> (raw)
In-Reply-To: <1391529538-21685-9-git-send-email-ulf.hansson@linaro.org>
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On Tue, Feb 04, 2014 at 04:58:49PM +0100, Ulf Hansson wrote:
> Use clk_disable_unprepare and clk_prepare_enable from the runtime PM
> callbacks, to fully gate|ungate clocks. Potentially this will save more
> power, depending on the clock tree for the current SOC.
The same patch has already been applied (I noticed and fixed it while
doing unrelated code review).
> pinctrl_pm_select_default_state(dev);
> - clk_enable(pl022->clk);
> + clk_prepare_enable(pl022->clk);
Someone should really make this check errors though!
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next prev parent reply other threads:[~2014-02-04 17:08 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-04 15:58 [PATCH 00/17] amba: PM fixups for amba bus and some amba drivers Ulf Hansson
2014-02-04 15:58 ` [PATCH 01/17] amba: Let runtime PM callbacks be available for CONFIG_PM Ulf Hansson
2014-02-19 9:40 ` Russell King - ARM Linux
2014-02-19 11:40 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 02/17] amba: Add late and early PM callbacks Ulf Hansson
2014-02-04 15:58 ` [PATCH 03/17] mmc: mmci: Mask IRQs for all variants during runtime suspend Ulf Hansson
2014-02-18 16:05 ` Russell King - ARM Linux
2014-02-18 16:36 ` Ulf Hansson
2014-02-18 16:46 ` Russell King - ARM Linux
2014-02-18 17:02 ` Ulf Hansson
2014-02-24 14:54 ` Linus Walleij
2014-02-04 15:58 ` [PATCH 04/17] mmc: mmci: Let runtime PM callbacks be available for CONFIG_PM Ulf Hansson
2014-02-04 15:58 ` [PATCH 05/17] mmc: mmci: Put the device into low power state at system suspend Ulf Hansson
2014-02-04 19:22 ` Kevin Hilman
2014-02-05 12:49 ` Linus Walleij
2014-02-05 14:13 ` Mark Brown
2014-02-05 20:08 ` Kevin Hilman
2014-02-10 11:11 ` Ulf Hansson
2014-02-10 18:03 ` Kevin Hilman
2014-02-04 15:58 ` [PATCH 06/17] spi: pl022: Let runtime PM callbacks be available for CONFIG_PM Ulf Hansson
2014-02-19 14:20 ` Ulf Hansson
2014-02-19 15:10 ` Mark Brown
2014-02-19 18:02 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 07/17] spi: pl022: Don't ignore power domain and amba bus at system suspend Ulf Hansson
2014-02-04 19:16 ` Mark Brown
2014-02-10 12:33 ` Ulf Hansson
2014-02-10 12:51 ` Mark Brown
2014-02-19 14:15 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 08/17] spi: pl022: Fully gate clocks at request inactivity Ulf Hansson
2014-02-04 17:07 ` Mark Brown [this message]
2014-02-10 10:36 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 09/17] spi: pl022: Simplify clock handling Ulf Hansson
2014-02-04 19:19 ` Mark Brown
2014-02-10 10:42 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 10/17] spi: pl022: Remove redundant pinctrl to default state in probe Ulf Hansson
2014-02-04 19:20 ` Mark Brown
2014-02-05 12:53 ` Linus Walleij
2014-02-04 15:58 ` [PATCH 11/17] i2c: nomadik: Convert to devm functions Ulf Hansson
2014-02-05 14:32 ` Linus Walleij
2014-02-04 15:58 ` [PATCH 12/17] i2c: nomadik: Remove redundant call to pm_runtime_disable Ulf Hansson
2014-02-04 15:58 ` [PATCH 13/17] i2c: nomadik: Leave probe with the device in active state Ulf Hansson
2014-02-04 15:58 ` [PATCH 14/17] i2c: nomadik: Fixup deployment of runtime PM Ulf Hansson
2014-02-05 14:34 ` Linus Walleij
2014-02-10 10:14 ` Ulf Hansson
2014-02-13 14:12 ` Ulf Hansson
2014-02-05 14:45 ` Fabio Estevam
2014-02-10 10:16 ` Ulf Hansson
2014-02-04 15:58 ` [PATCH 15/17] i2c: nomadik: Convert to late and early system PM callbacks Ulf Hansson
2014-02-04 15:58 ` [PATCH 16/17] i2c: nomadik: Remove busy check for transfers at suspend late Ulf Hansson
2014-02-04 15:58 ` [PATCH 17/17] i2c: nomadik: Fixup system suspend Ulf Hansson
2014-02-04 18:49 ` [PATCH 00/17] amba: PM fixups for amba bus and some amba drivers Mark Brown
2014-02-10 10:25 ` Ulf Hansson
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