From: Krzysztof Kozlowski <krzk@kernel.org>
To: "Paweł Chmiel" <pawel.mikolaj.chmiel@gmail.com>
Cc: kgene@kernel.org, alim.akhtar@samsung.com, robh+dt@kernel.org,
a.kesavan@samsung.com, naveenkrishna.ch@gmail.com,
thomas.ab@samsung.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: exynos: Correct psci compatible used on Exynos7
Date: Sun, 8 Nov 2020 20:01:14 +0100 [thread overview]
Message-ID: <20201108190114.GB28948@kozik-lap> (raw)
In-Reply-To: <20201107133926.37187-2-pawel.mikolaj.chmiel@gmail.com>
On Sat, Nov 07, 2020 at 02:39:26PM +0100, Paweł Chmiel wrote:
> It's not possible to reboot or poweroff Exynos7420 using PSCI. Instead
> we need to use syscon reboot/poweroff drivers, like it's done for other
> Exynos SoCs. This was confirmed by checking vendor source and testing it
> on Samsung Galaxy S6 device based on this SoC.
>
> To be able to use custom restart/poweroff handlers instead of PSCI
> functions, we need to correct psci compatible. This also requires us to
> provide function ids for CPU_ON and CPU_OFF.
>
> Fixes: fb026cb65247 ("arm64: dts: Add reboot node for exynos7")
> Fixes: b9024cbc937d ("arm64: dts: Add initial device tree support for exynos7")
> Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
> ---
> Changes from v1:
> - Split into two separate patches.
> ---
> arch/arm64/boot/dts/exynos/exynos7.dtsi | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Thanks, applied.
Best regards,
Krzysztof
next prev parent reply other threads:[~2020-11-08 19:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-07 13:39 [PATCH v2 1/2] arm64: dts: exynos: Include common syscon restart/poweroff for Exynos7 Paweł Chmiel
2020-11-07 13:39 ` [PATCH v2 2/2] arm64: dts: exynos: Correct psci compatible used on Exynos7 Paweł Chmiel
2020-11-08 19:01 ` Krzysztof Kozlowski [this message]
2020-11-08 19:00 ` [PATCH v2 1/2] arm64: dts: exynos: Include common syscon restart/poweroff for Exynos7 Krzysztof Kozlowski
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