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[2001:99a:d7d:c300:55c8:a52b:6ba2:979c]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5bfb7e7cb24sm2052803e87.25.2026.10.27.05.50.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2026 05:50:07 -0700 (PDT) From: Rupesh Majhi To: Alex Lanzano , Andy Shevchenko , Benson Leung , David Lechner , Guenter Roeck , Jagath Jog J , Javier Carrasco , Jean-Baptiste Maneyrol , Jerome Brunet , Jinseob Kim , Jonathan Cameron , Kevin Hilman , Lorenzo Bianconi , Martin Blumenstingl , Matti Vaittinen , Neil Armstrong , =?UTF-8?q?Nuno=20S=C3=A1?= , Remi Buisson Cc: chrome-platform@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Rupesh Majhi , Marco Elver , Bart Van Assche Subject: [PATCH v4 5/9] iio: adc: meson_saradc: annotate the lock helpers Date: Tue, 27 Oct 2026 14:49:50 +0200 Message-ID: <20261027124954.110697-6-zoone.rupert@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261027124954.110697-1-zoone.rupert@gmail.com> References: <20261027124954.110697-1-zoone.rupert@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261027_055010_446563_138F084E X-CRM114-Status: GOOD ( 10.66 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 meson_sar_adc_lock() returns 0 with priv->lock held, and meson_sar_adc_unlock() releases it. Annotate both so context analysis follows the lock into the callers. Only indio_dev is in scope in the annotation, so the lock is reached through iio_priv(). Signed-off-by: Rupesh Majhi --- Cc: Marco Elver Cc: Bart Van Assche drivers/iio/adc/meson_saradc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 2b003fd5afeb..3c1bc2274129 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -578,6 +578,7 @@ static void meson_sar_adc_stop_sample_engine(struct iio_dev *indio_dev) } static int meson_sar_adc_lock(struct iio_dev *indio_dev) + __cond_acquires(0, &((struct meson_sar_adc_priv *)iio_priv(indio_dev))->lock) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int val, ret; @@ -608,6 +609,7 @@ static int meson_sar_adc_lock(struct iio_dev *indio_dev) } static void meson_sar_adc_unlock(struct iio_dev *indio_dev) + __releases(&((struct meson_sar_adc_priv *)iio_priv(indio_dev))->lock) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); -- 2.43.0