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Wed, 05 Jun 2024 11:00:13 -0700 (PDT) Date: Wed, 5 Jun 2024 17:59:47 +0000 In-Reply-To: <20240605175953.2613260-1-joychakr@google.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: <linux-media.vger.kernel.org> List-Subscribe: <mailto:linux-media+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-media+unsubscribe@vger.kernel.org> Mime-Version: 1.0 References: <20240605175953.2613260-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605175953.2613260-4-joychakr@google.com> Subject: [PATCH v1 03/17] media: i2c: video-i2c: Change nvmem reg_read/write return type From: Joy Chakraborty <joychakr@google.com> To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Lars-Peter Clausen <lars@metafoo.de>, Sakari Ailus <sakari.ailus@linux.intel.com>, Bingbu Cao <bingbu.cao@intel.com>, Zhihao Cheng <chengzhihao1@huawei.com>, Jerome Brunet <jbrunet@baylibre.com>, Martin Blumenstingl <martin.blumenstingl@googlemail.com> 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 <joychakr@google.com> Content-Type: text/plain; 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Series |
nvmem: Handle change of return type in reg_read/write() definition
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Commit Message
Joy Chakraborty
June 5, 2024, 5:59 p.m. UTC
Change nvmem read/write function definition return type to ssize_t.
Signed-off-by: Joy Chakraborty <joychakr@google.com>
---
drivers/media/i2c/video-i2c.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index 56dbe07a1c99..2bfc221b5104 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -151,12 +151,15 @@ struct video_i2c_chip { int (*hwmon_init)(struct video_i2c_data *data); }; -static int mlx90640_nvram_read(void *priv, unsigned int offset, void *val, - size_t bytes) +static ssize_t mlx90640_nvram_read(void *priv, unsigned int offset, void *val, + size_t bytes) { struct video_i2c_data *data = priv; + int ret; + + ret = regmap_bulk_read(data->regmap, MLX90640_EEPROM_START_ADDR + offset, val, bytes); - return regmap_bulk_read(data->regmap, MLX90640_EEPROM_START_ADDR + offset, val, bytes); + return ret < 0 ? ret : bytes; } static struct nvmem_config mlx90640_nvram_config = {