linux-kernel - Re: [PATCH v3 07/10] spi/pxa2xx: add support for runtime PM

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Message-ID: <20130208121429.GV8879@opensource.wolfsonmicro.com>
Date:	Fri, 8 Feb 2013 12:14:29 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Eric Miao <eric.y.miao@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	chao.bi@...el.com,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	cxie4@...vell.com, ytang5@...vell.com
Subject: Re: [PATCH v3 07/10] spi/pxa2xx: add support for runtime PM

On Tue, Jan 22, 2013 at 12:26:30PM +0200, Mika Westerberg wrote:
> Drivers should put the device into low power states proactively whenever the
> device is not in use. Thus implement support for runtime PM and use the
> autosuspend feature to make sure that we can still perform well in case we see
> lots of SPI traffic within short period of time.

Applied, thanks.  I keep thinking we should just put the basic get/put
around transfers into the core, I can't see any SPI controllers needing
anything different.

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