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Re: [PATCH 5/5] spi: add bcm63xx HSSPI driver

To: Jonas Gorski <jogo@openwrt.org>
Subject: Re: [PATCH 5/5] spi: add bcm63xx HSSPI driver
From: Mark Brown <broonie@kernel.org>
Date: Wed, 4 Dec 2013 14:08:53 +0000
Cc: MIPS Mailing List <linux-mips@linux-mips.org>, linux-spi@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>, John Crispin <blogic@openwrt.org>, Florian Fainelli <florian@openwrt.org>, Kevin Cernekee <cernekee@gmail.com>, Maxime Bizon <mbizon@freebox.fr>
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References: <1385811726-6746-1-git-send-email-jogo@openwrt.org> <1385811726-6746-6-git-send-email-jogo@openwrt.org> <20131204133823.GS29268@sirena.org.uk> <CAOiHx==utbmYUS4BLoSaaGi91Kw5voQ2vFiA97GLmwn8yU19Dw@mail.gmail.com>
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On Wed, Dec 04, 2013 at 03:04:48PM +0100, Jonas Gorski wrote:
> On Wed, Dec 4, 2013 at 2:38 PM, Mark Brown <broonie@kernel.org> wrote:

> > This ought to be disable_unprepare().  It would also be better to move
> > this to runtime PM (you can set auto_runtime_pm to have the core manage
> > the enable and disable for you) since that will save a bit of power.

> I already set auto_runtime_pm to true. I basically copied what's
> currently in spi-bcm63xx.c *coughs*. Is there anything else needed
> besides what you mentioned?

You'll need to call pm_runtime_enable() and so on to turn on runtime PM
in probe() and reverse that in remove() but otherwise no, just adding
the runtime callbacks should be fine.

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