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From: Arnd Bergmann <arnd@arndb.de>
To: Kevin Hilman <khilman@baylibre.com>
Cc: arm-soc <arm@kernel.org>, Carlo Caione <carlo@caione.org>,
	linux-pm@vger.kernel.org,
	"open list:ARM/Amlogic Meson SoC support" 
	<linux-amlogic@lists.infradead.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
Date: Thu, 9 Nov 2017 11:42:46 +0100	[thread overview]
Message-ID: <CAK8P3a2eYi0bajPmmfjOJWOE76_-A-oDLOKObWyijY_95FEXqw@mail.gmail.com> (raw)
In-Reply-To: <7hshdoi8b4.fsf@baylibre.com>

On Thu, Nov 9, 2017 at 1:50 AM, Kevin Hilman <khilman@baylibre.com> wrote:
> Arnd, Olof,
>
> Neil Armstrong <narmstrong@baylibre.com> writes:
>
>> In the case the VPU power domain has been powered on by the bootloader
>> and no driver are attached to this power domain, the genpd will power it
>> off after a certain amount of time, but the clocks hasn't been enabled
>> by the kernel itself and the power-off will trigger some faults.
>> This patch enable the clocks to have a coherent state for an eventual
>> poweroff and switches to the pm_domain_always_on_gov governor.
>>
>> Fixes: 75fcb5ca4b46 ("soc: amlogic: add Meson GX VPU Domains driver")
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>
> Tested-by: Kevin Hilman <khilman@baylibre.com>
>
> This fixes a patch that's currently in arm-soc next/drivers (or
> amlogic/drivers-2 to be precise.)
>
> If it's not too late, please feel free to apply directly.  If not, I
> will queue up for v4.15-rc fixes cycle.

Applied to next/drivers, thanks!

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
Date: Thu, 9 Nov 2017 11:42:46 +0100	[thread overview]
Message-ID: <CAK8P3a2eYi0bajPmmfjOJWOE76_-A-oDLOKObWyijY_95FEXqw@mail.gmail.com> (raw)
In-Reply-To: <7hshdoi8b4.fsf@baylibre.com>

On Thu, Nov 9, 2017 at 1:50 AM, Kevin Hilman <khilman@baylibre.com> wrote:
> Arnd, Olof,
>
> Neil Armstrong <narmstrong@baylibre.com> writes:
>
>> In the case the VPU power domain has been powered on by the bootloader
>> and no driver are attached to this power domain, the genpd will power it
>> off after a certain amount of time, but the clocks hasn't been enabled
>> by the kernel itself and the power-off will trigger some faults.
>> This patch enable the clocks to have a coherent state for an eventual
>> poweroff and switches to the pm_domain_always_on_gov governor.
>>
>> Fixes: 75fcb5ca4b46 ("soc: amlogic: add Meson GX VPU Domains driver")
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>
> Tested-by: Kevin Hilman <khilman@baylibre.com>
>
> This fixes a patch that's currently in arm-soc next/drivers (or
> amlogic/drivers-2 to be precise.)
>
> If it's not too late, please feel free to apply directly.  If not, I
> will queue up for v4.15-rc fixes cycle.

Applied to next/drivers, thanks!

      Arnd

WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
Date: Thu, 9 Nov 2017 11:42:46 +0100	[thread overview]
Message-ID: <CAK8P3a2eYi0bajPmmfjOJWOE76_-A-oDLOKObWyijY_95FEXqw@mail.gmail.com> (raw)
In-Reply-To: <7hshdoi8b4.fsf@baylibre.com>

On Thu, Nov 9, 2017 at 1:50 AM, Kevin Hilman <khilman@baylibre.com> wrote:
> Arnd, Olof,
>
> Neil Armstrong <narmstrong@baylibre.com> writes:
>
>> In the case the VPU power domain has been powered on by the bootloader
>> and no driver are attached to this power domain, the genpd will power it
>> off after a certain amount of time, but the clocks hasn't been enabled
>> by the kernel itself and the power-off will trigger some faults.
>> This patch enable the clocks to have a coherent state for an eventual
>> poweroff and switches to the pm_domain_always_on_gov governor.
>>
>> Fixes: 75fcb5ca4b46 ("soc: amlogic: add Meson GX VPU Domains driver")
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>
> Tested-by: Kevin Hilman <khilman@baylibre.com>
>
> This fixes a patch that's currently in arm-soc next/drivers (or
> amlogic/drivers-2 to be precise.)
>
> If it's not too late, please feel free to apply directly.  If not, I
> will queue up for v4.15-rc fixes cycle.

Applied to next/drivers, thanks!

      Arnd

  reply	other threads:[~2017-11-09 10:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-03 15:43 [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader Neil Armstrong
2017-11-03 15:43 ` Neil Armstrong
2017-11-03 15:43 ` Neil Armstrong
2017-11-09  0:50 ` Kevin Hilman
2017-11-09  0:50   ` Kevin Hilman
2017-11-09  0:50   ` Kevin Hilman
2017-11-09 10:42   ` Arnd Bergmann [this message]
2017-11-09 10:42     ` Arnd Bergmann
2017-11-09 10:42     ` Arnd Bergmann
2017-11-09 10:42     ` Arnd Bergmann

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