linux-kernel - Re: [PATCH v2 16/45] parisc: Use do_kernel_power

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Date:   Thu, 28 Oct 2021 08:38:35 +0200
From:   Helge Deller <deller@....de>
To:     Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Lee Jones <lee.jones@...aro.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Russell King <linux@...linux.org.uk>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Guo Ren <guoren@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
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Subject: Re: [PATCH v2 16/45] parisc: Use do_kernel_power_off()

On 10/27/21 23:16, 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@...il.com>

Acked-by: Helge Deller <deller@....de> # parisc



> ---
>  arch/parisc/kernel/process.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
> index ea3d83b6fb62..928201b1f58f 100644
> --- a/arch/parisc/kernel/process.c
> +++ b/arch/parisc/kernel/process.c
> @@ -26,6 +26,7 @@
>  #include <linux/module.h>
>  #include <linux/personality.h>
>  #include <linux/ptrace.h>
> +#include <linux/reboot.h>
>  #include <linux/sched.h>
>  #include <linux/sched/debug.h>
>  #include <linux/sched/task.h>
> @@ -114,8 +115,7 @@ void machine_power_off(void)
>  	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_SHUTDOWN);
>
>  	/* ipmi_poweroff may have been installed. */
> -	if (pm_power_off)
> -		pm_power_off();
> +	do_kernel_power_off();
>
>  	/* It seems we have no way to power the system off via
>  	 * software. The user has to press the button himself. */
>