From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Vipul Kumar Samar <vipulkumar.samar-qxv4g6HH51o@public.gmane.org>,
linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
spear-devel-nkJGhpqTU55BDgjK7y7TUQ@public.gmane.org,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 1/2] spi:pl022: Disable/Enable functional clock from suspend/resume
Date: Wed, 26 Sep 2012 13:19:46 +0100 [thread overview]
Message-ID: <20120926121946.GO4428@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CACRpkdampxUw0=NO6cs679C-r0_AnPEaTYVc+GppRkKGn32p-w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Wed, Sep 26, 2012 at 02:17:36PM +0200, Linus Walleij wrote:
> On Wed, Sep 26, 2012 at 1:24 PM, Vipul Kumar Samar
> > SPI functional clock must be disalble/enable in non RTPM suspend/resume
> > hooks. Currently it is only done for RTPM cases.
> > This patch add support to disable/enbale clock for conventional
> > suspend/resume calls.
> Cross dependency between runtime suspend/resume and
> common suspend/resume. Oh the horror ...
This should be fine, we runtime resume before we suspend.
> The semantics between runtime suspend/resume and
> ordinary suspend/resume are unclear to me, it seems like
> this is all up to the drivers and busses to figure out. Like
> you weren't supposed to use both at the same time.
This was clarified at some point relatively recently with the above
(which is essentially the same as the solution you describe).
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next prev parent reply other threads:[~2012-09-26 12:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 11:24 [PATCH 0/2] ARM: AMBA: Fix clock disable/enable issue in conventional suspend/resume Vipul Kumar Samar
[not found] ` <1348658647-25975-1-git-send-email-vipulkumar.samar-qxv4g6HH51o@public.gmane.org>
2012-09-26 11:24 ` [PATCH 1/2] spi:pl022: Disable/Enable functional clock from suspend/resume Vipul Kumar Samar
[not found] ` <1348658647-25975-2-git-send-email-vipulkumar.samar-qxv4g6HH51o@public.gmane.org>
2012-09-26 12:17 ` Linus Walleij
[not found] ` <CACRpkdampxUw0=NO6cs679C-r0_AnPEaTYVc+GppRkKGn32p-w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-26 12:19 ` Mark Brown [this message]
[not found] ` <20120926121946.GO4428-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-09-26 12:41 ` Linus Walleij
[not found] ` <CACRpkdZLUUXw5TDwTqtP10YaRHEuHNHq9gMY-YSNeZ+21=cZRg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-27 17:03 ` Mark Brown
2012-09-26 14:08 ` viresh kumar
[not found] ` <CAOh2x==aZbqYpPHvWyY7ReVi90TJAHbMLbk17o8wAOh+swbxzw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-26 14:13 ` Linus Walleij
2012-09-26 11:24 ` [PATCH 2/2] ARM: ABMA: Disable/Enable interface " Vipul Kumar Samar
[not found] ` <1348658647-25975-3-git-send-email-vipulkumar.samar-qxv4g6HH51o@public.gmane.org>
2012-09-26 12:38 ` Linus Walleij
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