From: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Laxman Dewangan
<ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH V2] dmaengine: tegra-apb: Really fix runtime-pm usage
Date: Fri, 30 Jun 2017 11:14:31 +0530 [thread overview]
Message-ID: <20170630054431.GP19154@localhost> (raw)
In-Reply-To: <1496753369-5356-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Tue, Jun 06, 2017 at 01:49:29PM +0100, Jon Hunter wrote:
> Commit edd3bdbe9db1 ("dmaengine: tegra-apb: Correct runtime-pm usage")
> added pm_runtime_get/put() calls to the tegra-apb DMA system suspend
> callbacks. Runtime PM is disabled during system suspend and so these
> APIs cannot be used. Fix the suspend handling for the tegra-apb DMA by
> moving the save and restore of the DMA register context into the
> runtime PM suspend and resume callbacks, and then use the
> pm_runtime_force_suspend/resume() APIs to invoke the runtime PM
> callbacks during system suspend.
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2017-06-30 5:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-06 12:49 [PATCH V2] dmaengine: tegra-apb: Really fix runtime-pm usage Jon Hunter
[not found] ` <1496753369-5356-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2017-06-06 14:48 ` Thierry Reding
2017-06-27 11:44 ` Jon Hunter
[not found] ` <f336e72a-d966-11e4-0885-e324843d5c00-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2017-06-30 5:42 ` Vinod Koul
2017-06-30 5:44 ` Vinod Koul [this message]
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