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[88.112.128.43]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55f35c8bb4esm1204996e87.75.2025.08.24.12.04.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 24 Aug 2025 12:04:47 -0700 (PDT) Message-ID: Date: Sun, 24 Aug 2025 22:04:45 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 19/65] media: camss: Replace .open() file operation with v4l2_fh_open() To: Jacopo Mondi , Mauro Carvalho Chehab , Devarsh Thakkar , Benoit Parrot , Hans Verkuil , Laurent Pinchart , Hans de Goede , Parthiban Veerasooran , Christian Gromm , Greg Kroah-Hartman , Alex Shi , Yanteng Si , Jonathan Corbet , Tomasz Figa , Marek Szyprowski , Andy Walls , Michael Tretter , Pengutronix Kernel Team , Bin Liu , Matthias Brugger , AngeloGioacchino Del Regno , Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Mirela Rabulea , Shawn Guo , Sascha Hauer , Fabio Estevam , Kieran Bingham , Michal Simek , Ming Qian , Zhou Peng , Xavier Roumegue , Philipp Zabel , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Sylwester Nawrocki , Jernej Skrabec , Chen-Yu Tsai , Samuel Holland , Daniel Almeida , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Minghsiu Tsai , Houlong Wei , Andrew-CT Chen , Tiffany Lin , Yunfei Dong , Geert Uytterhoeven , Magnus Damm , Mikhail Ulyanov , Jacob Chen , Heiko Stuebner , Detlev Casanova , Krzysztof Kozlowski , Sylwester Nawrocki , =?UTF-8?Q?=C5=81ukasz_Stelmach?= , Andrzej Pietrasiewicz , Jacek Anaszewski , Andrzej Hajda , Fabien Dessenne , Jean-Christophe Trotin , Maxime Coquelin , Alexandre Torgue , Nicolas Dufresne , Benjamin Gaignard , Steve Longerbeam , Maxime Ripard , Paul Kocialkowski , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , Robert Foss , Todor Tomov , Corentin Labbe , Sakari Ailus , Stanislaw Gruszka Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, imx@lists.linux.dev, linux-renesas-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-usb@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, mjpeg-users@lists.sourceforge.net References: <20250802-media-private-data-v1-0-eb140ddd6a9d@ideasonboard.com> <20250802-media-private-data-v1-19-eb140ddd6a9d@ideasonboard.com> From: Vladimir Zapolskiy In-Reply-To: <20250802-media-private-data-v1-19-eb140ddd6a9d@ideasonboard.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250824_120450_656758_237170CC X-CRM114-Status: GOOD ( 12.80 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Jacopo, Laurent, thank you for the nice clean-up. On 8/2/25 12:22, Jacopo Mondi wrote: > From: Laurent Pinchart > > The custom video_open() function in the camss driver open-codes the > v4l2_fh_open() helper, with an additional mutex that protects the whole > function. Given that the function does not modify any data guarded by > the lock, there's no need for using the mutex and the function can be > replaced by v4l2_fh_open(). > > Signed-off-by: Laurent Pinchart > Signed-off-by: Jacopo Mondi Tested-by: Vladimir Zapolskiy Reviewed-by: Vladimir Zapolskiy -- Best wishes, Vladimir _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic