linux-kernel - Re: [PATCH v2 2/2] arm64: dts: exynos: Correct psci compatible used on Exynos7

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Message-ID: <20201108190114.GB28948@kozik-lap>
Date:   Sun, 8 Nov 2020 20:01:14 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
Cc:     kgene@...nel.org, alim.akhtar@...sung.com, robh+dt@...nel.org,
        a.kesavan@...sung.com, naveenkrishna.ch@...il.com,
        thomas.ab@...sung.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: exynos: Correct psci compatible used
 on Exynos7

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@...il.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