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Wed, 05 Jun 2024 11:02:48 -0700 (PDT) Date: Wed, 5 Jun 2024 18:02:32 +0000 In-Reply-To: <20240605180238.2617808-1-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: <20240605180238.2617808-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605180238.2617808-2-joychakr@google.com> Subject: [PATCH v1 11/17] mtd: ubi: nvmem: 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, 6:02 p.m. UTC
Change nvmem read/write function definition return type to ssize_t.
Signed-off-by: Joy Chakraborty <joychakr@google.com>
---
drivers/mtd/ubi/nvmem.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/ubi/nvmem.c b/drivers/mtd/ubi/nvmem.c index 8aeb9c428e51..eab14821343d 100644 --- a/drivers/mtd/ubi/nvmem.c +++ b/drivers/mtd/ubi/nvmem.c @@ -20,8 +20,8 @@ struct ubi_nvmem { struct list_head list; }; -static int ubi_nvmem_reg_read(void *priv, unsigned int from, - void *val, size_t bytes) +static ssize_t ubi_nvmem_reg_read(void *priv, unsigned int from, + void *val, size_t bytes) { size_t to_read, bytes_left = bytes; struct ubi_nvmem *unv = priv; @@ -55,7 +55,7 @@ static int ubi_nvmem_reg_read(void *priv, unsigned int from, if (err) return err; - return bytes_left == 0 ? 0 : -EIO; + return bytes - bytes_left; } static int ubi_nvmem_add(struct ubi_volume_info *vi)