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([2a02:810d:15c0:828:ff33:9b14:bdd2:a3da]) by smtp.gmail.com with ESMTPSA id u25-20020a50a419000000b004bd6e3ed196sm7955780edb.86.2023.03.08.02.33.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Mar 2023 02:33:25 -0800 (PST) Message-ID: Date: Wed, 8 Mar 2023 11:33:24 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v1 11/11] media: starfive: enable building Content-Language: en-US To: Jack Zhu , Mauro Carvalho Chehab , Robert Foss , Todor Tomov , Rob Herring , Krzysztof Kozlowski , Maxime Ripard , Philipp Zabel Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, changhuang.liang@starfivetech.com References: <20230302091921.43309-1-jack.zhu@starfivetech.com> <20230302091921.43309-12-jack.zhu@starfivetech.com> <15b29a5b-29a1-8440-2b46-0c201c20defd@starfivetech.com> From: Krzysztof Kozlowski In-Reply-To: <15b29a5b-29a1-8440-2b46-0c201c20defd@starfivetech.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/03/2023 10:46, Jack Zhu wrote: > > > On 2023/3/3 16:43, Krzysztof Kozlowski wrote: >> On 02/03/2023 10:19, jack.zhu wrote: >>> Add Kconfig and Makefie, update platform/Kconfig and platform/Makefile >>> to enable building of the Starfive Camera subsystem driver. >>> >>> Signed-off-by: jack.zhu >>> --- >>> drivers/media/platform/Kconfig | 1 + >>> drivers/media/platform/Makefile | 1 + >>> drivers/media/platform/starfive/Kconfig | 18 ++++++++++++++++++ >>> drivers/media/platform/starfive/Makefile | 14 ++++++++++++++ >> >> This is not a separate commit. If it were, it would mean you just added >> dead code in previous commits, so why adding dead code in first place? >> > > The previous patches are made according to the module function.I think > it is helpful to explain the composition of the code file. > > stf_camss[patch 9] as a platform device manages all resources including > ISP and VIN. ISP/VIN [patch 7/8]as a sub-device needs to access other > resources managed by stf_camss.There is mutual reference between them. > Therefore, this patch is used for the overall compilation of the starfive > directory. So previous code is dead? Again, what is the reason for adding dead code? Mutual reference is not the answer. Best regards, Krzysztof