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From: Kevin Hilman <khilman@baylibre.com>
To: arm@kernel.org
Cc: carlo@caione.org, linux-pm@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	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: Wed, 08 Nov 2017 16:50:55 -0800	[thread overview]
Message-ID: <7hshdoi8b4.fsf@baylibre.com> (raw)
In-Reply-To: <1509723804-21114-1-git-send-email-narmstrong@baylibre.com> (Neil Armstrong's message of "Fri, 3 Nov 2017 16:43:24 +0100")

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.

Thanks,

Kevin

WARNING: multiple messages have this Message-ID (diff)
From: khilman@baylibre.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
Date: Wed, 08 Nov 2017 16:50:55 -0800	[thread overview]
Message-ID: <7hshdoi8b4.fsf@baylibre.com> (raw)
In-Reply-To: <1509723804-21114-1-git-send-email-narmstrong@baylibre.com> (Neil Armstrong's message of "Fri, 3 Nov 2017 16:43:24 +0100")

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.

Thanks,

Kevin

WARNING: multiple messages have this Message-ID (diff)
From: khilman@baylibre.com (Kevin Hilman)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH] soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
Date: Wed, 08 Nov 2017 16:50:55 -0800	[thread overview]
Message-ID: <7hshdoi8b4.fsf@baylibre.com> (raw)
In-Reply-To: <1509723804-21114-1-git-send-email-narmstrong@baylibre.com> (Neil Armstrong's message of "Fri, 3 Nov 2017 16:43:24 +0100")

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.

Thanks,

Kevin

  reply	other threads:[~2017-11-09  0:51 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 [this message]
2017-11-09  0:50   ` Kevin Hilman
2017-11-09  0:50   ` Kevin Hilman
2017-11-09 10:42   ` Arnd Bergmann
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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