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AJvYcCUPj0KmGElrUc2o2IlV96eqW5Z//ydgFn6oAlgdlGOLtLMpDWW39GhjTqLVZWC7WHZGm6MrfNB5IyaCHBWXZU2IrHF7A7cF+00qUj4= X-Gm-Message-State: AOJu0Yxg25TQGJH0XMtpXIkg07dHiSatlr3ubm3Md/h5nY5LSV/s1TzH t3R+hFDgrhlV0MYL3lLdMngM8tChZIwejuWThjkcQ9IwmY//MrTucSbVFKVzkHGpZJ1X65FB7RU uP3HYrfLluA== X-Google-Smtp-Source: AGHT+IGVqeHwMyqXKI282yIc4vrmNhlrddNc8SUJnwKBYMg45bAMjkiEv9ztSUrQcKvlvHzhm96dBXxGRdgPkg== X-Received: from joychakr.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:6ea]) (user=joychakr job=sendgmr) by 2002:a05:6902:b12:b0:dfa:7282:d6d4 with SMTP id 3f1490d57ef6-dfacac47b9amr605485276.6.1717610409394; Wed, 05 Jun 2024 11:00:09 -0700 (PDT) Date: Wed, 5 Jun 2024 17:59:46 +0000 In-Reply-To: <20240605175953.2613260-1-joychakr@google.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240605175953.2613260-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605175953.2613260-3-joychakr@google.com> Subject: [PATCH v1 02/17] media: i2c: ov2740: Change nvmem reg_read/write return type From: Joy Chakraborty To: Srinivas Kandagatla , Greg Kroah-Hartman , AngeloGioacchino Del Regno , Lars-Peter Clausen , Sakari Ailus , Bingbu Cao , Zhihao Cheng , Jerome Brunet , Martin Blumenstingl Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, linux-mtd@lists.infradead.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, manugautam@google.com, Joy Chakraborty Content-Type: text/plain; charset="UTF-8" Change nvmem read/write function definition return type to ssize_t. Signed-off-by: Joy Chakraborty --- drivers/media/i2c/ov2740.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c index c48dbcde9877..0101ab55a5ef 100644 --- a/drivers/media/i2c/ov2740.c +++ b/drivers/media/i2c/ov2740.c @@ -1212,8 +1212,8 @@ static void ov2740_remove(struct i2c_client *client) pm_runtime_disable(&client->dev); } -static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, - size_t count) +static ssize_t ov2740_nvmem_read(void *priv, unsigned int off, void *val, + size_t count) { struct nvm_data *nvm = priv; struct device *dev = regmap_get_device(nvm->regmap); @@ -1241,7 +1241,7 @@ static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, pm_runtime_put(dev); exit: v4l2_subdev_unlock_state(sd_state); - return ret; + return ret < 0 ? ret : count; } static int ov2740_register_nvmem(struct i2c_client *client, -- 2.45.1.467.gbab1589fc0-goog