Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <ff33d45c-f4ad-49f3-24b6-b15b4af5aa83@linaro.org>
Date:   Fri, 25 Nov 2022 15:49:11 +0100
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.5.0
Subject: Re: [PATCH 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks
 for Exynos850
Content-Language: en-US
To:     Sam Protsenko <semen.protsenko@linaro.org>
Cc:     Lee Jones <lee@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Alim Akhtar <alim.akhtar@samsung.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org,
        Sriranjani P <sriranjani.p@samsung.com>,
        Chanho Park <chanho61.park@samsung.com>
References: <20221125112201.240178-1-krzysztof.kozlowski@linaro.org>
 <20221125112201.240178-4-krzysztof.kozlowski@linaro.org>
 <CAPLW+4nSLP4ZpnzYrOfMu0uOQ0OYnWsnZ=sUppxts6O_3-yYZg@mail.gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <CAPLW+4nSLP4ZpnzYrOfMu0uOQ0OYnWsnZ=sUppxts6O_3-yYZg@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 25/11/2022 15:38, Sam Protsenko wrote:
> On Fri, 25 Nov 2022 at 05:22, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> Exynos850 has dedicated clock for accessing SYSREGs.  Allow it, even
>> though Linux currently does not enable them and relies on bootloader.
>>
> 
> Not sure if this description is correct. Of course, there is no driver
> for "samsung,exynos850-sysreg" compatible at the moment, so the next
> compatible from the list ("syscon") is used for Exynos850. And
> "syscon" driver (drivers/mfd/syscon.c) actually does control the
> clocks. I remember adding "clocks" property to Exynos850 dts to fix
> actual problem. Also, the "clocks" property is not described in
> Documentation/devicetree/bindings/mfd/syscon.yaml, didn't really check
> if it's ok or it's just missing.
> 
> Other than that comment:
> 
> Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
> 
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Ah, then commit msg is not good. I'll update it and maybe the clocks
should be required for Exynos850?

Best regards,
Krzysztof