From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] AMBA: Use suspend_noriq to force devices into runtime suspend
Date: Thu, 27 Oct 2011 16:54:34 +0100 [thread overview]
Message-ID: <20111027155434.GN19187@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1319730524-29483-1-git-send-email-ulf.hansson@stericsson.com>
On Thu, Oct 27, 2011 at 05:48:44PM +0200, Ulf Hansson wrote:
> To be able to make sure devices are put into runtime suspend
> after a suspend sequence, the suspend_noirq callback is used.
>
> Previously it was was possible for drivers doing pm_runtime_suspend
> and pm_runtime_put_sync directly from it's suspend callbacks.
> This is now not possible due to the following commit, which solve a
> race issue:
>
> PM: Limit race conditions between runtime PM and system sleep (v2)
There's a patch which has been queued for the last 2 months adding
runtime PM support to the AMBA bus layer which is now merged into
mainline. Please check whether this works for you.
next prev parent reply other threads:[~2011-10-27 15:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-27 15:48 [PATCH] AMBA: Use suspend_noriq to force devices into runtime suspend Ulf Hansson
2011-10-27 15:54 ` Russell King - ARM Linux [this message]
2011-10-27 18:27 ` Linus Walleij
2011-10-27 19:48 ` Russell King - ARM Linux
2011-10-28 9:29 ` Ulf Hansson
2011-11-02 9:02 ` Russell King - ARM Linux
2011-11-02 10:55 ` Ulf Hansson
2011-11-02 12:51 ` Russell King - ARM Linux
2011-10-27 16:10 ` Alan Stern
2011-10-28 8:12 ` Ulf Hansson
2011-10-28 15:18 ` Alan Stern
2011-11-01 9:32 ` Ulf Hansson
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