Linux ARM-MSM sub-architecture
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From: Bjorn Andersson <bjorn.andersson@sonymobile.com>
To: Stephen Boyd <sboyd@codeaurora.org>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
	Pramod Gurav <pramod.gurav@smartplayin.com>
Subject: Re: [PATCH] pinctrl: qcom: Hook pm_power_down for shutdown support
Date: Mon, 13 Jul 2015 15:59:57 -0700	[thread overview]
Message-ID: <20150713225957.GF15178@usrtlx11787.corpusers.net> (raw)
In-Reply-To: <1436231370-18301-1-git-send-email-sboyd@codeaurora.org>

On Mon 06 Jul 18:09 PDT 2015, Stephen Boyd wrote:

> Assign pm_power_off() if we have the PS_HOLD functionality so
> that we can properly shutdown the SoC. Otherwise, shutdown won't
> do anything besides put the CPU into a tight loop. Unfortunately,
> we have to use a singleton here because pm_power_off() doesn't
> take any arguments. Fortunately there's only one instance of the
> pinctrl device on a running system so this isn't a problem.
> 
> Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com>
> Cc: Pramod Gurav <pramod.gurav@smartplayin.com>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>


I do find it odd that there's generic handling for restart but only the
crude way pm_power_off to shut the system down... But this seems to be
the way it should be done...

Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>

Regards,
Bjorn

  reply	other threads:[~2015-07-13 22:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-07  1:09 [PATCH] pinctrl: qcom: Hook pm_power_down for shutdown support Stephen Boyd
2015-07-13 22:59 ` Bjorn Andersson [this message]
2015-07-17  8:00 ` Linus Walleij

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