linux-kernel - Re: [PATCH v7 04/11] arm: Support restart through restart handler call chain

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Message-ID: <CAD=FV=VNLCc5VVxQspZrZPrZ_JZQO+SJtkA61CAYj-f5fnA2LQ@mail.gmail.com>
Date:	Wed, 20 Aug 2014 21:11:21 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Russell King <linux@....linux.org.uk>,
	Wim Van Sebroeck <wim@...ana.be>,
	Catalin Marinas <catalin.marinas@....com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Will Deacon <will.deacon@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Heiko Stuebner <heiko@...ech.de>,
	Jonas Jensen <jonas.jensen@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Tomasz Figa <t.figa@...sung.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 04/11] arm: Support restart through restart handler
 call chain

Guenter,

On Tue, Aug 19, 2014 at 5:45 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> The kernel core now supports a restart handler call chain for system
> restart functions.
>
> With this change, the arm_pm_restart callback is now optional, so
> drop its initialization and check if it is set before calling it.
> Only call the kernel restart handler if arm_pm_restart is not set.
>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Acked-by: Heiko Stuebner <heiko@...ech.de>
> ---
> v7: Dropped null_restart and made arm_pm_restart truly optional.
> v6: No change.
> v5: Renamed restart function to do_kernel_restart
> v4: No change.
> v3: Use wrapper function to execute notifier call chain.
> v2: Only call notifier call chain if arm_pm_restart is not set.
>     Do not include linux/watchdog.h.
>
>  arch/arm/kernel/process.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)

Reviewed-by: Doug Anderson <dianders@...omium.org>
Tested-by: Doug Anderson <dianders@...omium.org>
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