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From:   Greentime Hu <green.hu@gmail.com>
Date:   Thu, 28 Oct 2021 20:20:00 +0800
Message-ID: <CAEbi=3eTruN6rYvEHCtyhTEZ=Ep8n6g75UMpHffc=0UrVTGbdQ@mail.gmail.com>
Subject: Re: [PATCH v2 15/45] nds32: Use do_kernel_power_off()
To:     Dmitry Osipenko <digetx@gmail.com>
Cc:     Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Lee Jones <lee.jones@linaro.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Russell King <linux@armlinux.org.uk>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Greg Ungerer <gerg@linux-m68k.org>,
        Joshua Thompson <funaho@jurai.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Nick Hu <nickhu@andestech.com>,
        Vincent Chen <deanbo422@gmail.com>,
        "James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
        Helge Deller <deller@gmx.de>,
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        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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        Albert Ou <aou@eecs.berkeley.edu>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>,
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        Chen-Yu Tsai <wens@csie.org>,
        =?UTF-8?Q?Jonathan_Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>,
        Tony Lindgren <tony@atomide.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Vladimir Zapolskiy <vz@mleia.com>,
        Avi Fishman <avifishman70@gmail.com>,
        Tomer Maimon <tmaimon77@gmail.com>,
        Tali Perry <tali.perry1@gmail.com>,
        Patrick Venture <venture@google.com>,
        Nancy Yuen <yuenn@google.com>,
        Benjamin Fair <benjaminfair@google.com>,
        Pavel Machek <pavel@ucw.cz>,
        linux-arm-kernel@lists.infradead.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org,
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        linux-omap@vger.kernel.org, openbmc@lists.ozlabs.org,
        linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org,
        Alan Kao <alankao@andestech.com>,
        =?UTF-8?B?Sy5DLiBLdWVuLUNoZXJuIExpbijmnpflnaTmiJAp?= 
        <kclin@andestech.com>
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Dmitry Osipenko <digetx@gmail.com> =E6=96=BC 2021=E5=B9=B410=E6=9C=8828=E6=
=97=A5 =E9=80=B1=E5=9B=9B =E4=B8=8A=E5=8D=885:18=E5=AF=AB=E9=81=93=EF=BC=9A
>
> Kernel now supports chained power-off handlers. Use do_kernel_power_off()
> that invokes chained power-off handlers. It also invokes legacy
> pm_power_off() for now, which will be removed once all drivers will
> be converted to the new power-off API.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>  arch/nds32/kernel/process.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/nds32/kernel/process.c b/arch/nds32/kernel/process.c
> index 49fab9e39cbf..0936dcd7db1b 100644
> --- a/arch/nds32/kernel/process.c
> +++ b/arch/nds32/kernel/process.c
> @@ -54,8 +54,7 @@ EXPORT_SYMBOL(machine_halt);
>
>  void machine_power_off(void)
>  {
> -       if (pm_power_off)
> -               pm_power_off();
> +       do_kernel_power_off();
>  }
>
>  EXPORT_SYMBOL(machine_power_off);
> --
> 2.33.1
>

Loop in Alan and KC