Re: [PATCH v6 16/21] mips: Use do_kernel_power_off()
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- To: Dmitry Osipenko <digetx@xxxxxxxxx>
- Subject: Re: [PATCH v6 16/21] mips: Use do_kernel_power_off()
- From: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
- Date: Mon, 21 Feb 2022 15:42:02 +0100
- Cc: Thierry Reding <thierry.reding@xxxxxxxxx>, Jonathan Hunter <jonathanh@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Greg Ungerer <gerg@xxxxxxxxxxxxxx>, Joshua Thompson <funaho@xxxxxxxxx>, Sebastian Reichel <sre@xxxxxxxxxx>, Linus Walleij <linus.walleij@xxxxxxxxxx>, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, Vincent Chen <deanbo422@xxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Len Brown <lenb@xxxxxxxxxx>, Santosh Shilimkar <ssantosh@xxxxxxxxxx>, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>, Liam Girdwood <lgirdwood@xxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Lee Jones <lee.jones@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Guenter Roeck <linux@xxxxxxxxxxxx>, Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, Ulf Hansson <ulf.hansson@xxxxxxxxxx>, alankao@xxxxxxxxxxxxx, "K . C . Kuen-Chern Lin" <kclin@xxxxxxxxxxxxx>, Michał Mirosław <mirq-linux@xxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx
- In-reply-to: <20220130233718.21544-17-digetx@gmail.com>
- References: <20220130233718.21544-1-digetx@gmail.com> <20220130233718.21544-17-digetx@gmail.com>
- User-agent: Mutt/1.10.1 (2018-07-13)
On Mon, Jan 31, 2022 at 02:37:13AM +0300, Dmitry Osipenko wrote:
> 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@xxxxxxxxx>
> ---
> arch/mips/kernel/reset.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
> index 6288780b779e..e7ce07b3e79b 100644
> --- a/arch/mips/kernel/reset.c
> +++ b/arch/mips/kernel/reset.c
> @@ -114,8 +114,7 @@ void machine_halt(void)
>
> void machine_power_off(void)
> {
> - if (pm_power_off)
> - pm_power_off();
> + do_kernel_power_off();
>
> #ifdef CONFIG_SMP
> preempt_disable();
> --
> 2.34.1
Ackey-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
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