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Wed, 05 Jun 2024 11:02:57 -0700 (PDT) Date: Wed, 5 Jun 2024 18:02:34 +0000 In-Reply-To: <20240605180238.2617808-1-joychakr@google.com> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240605180238.2617808-1-joychakr@google.com> X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605180238.2617808-4-joychakr@google.com> Subject: [PATCH v1 13/17] w1: slaves: w1_ds250x: 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 Change nvmem read/write function definition return type to ssize_t. Signed-off-by: Joy Chakraborty --- drivers/w1/slaves/w1_ds250x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/w1/slaves/w1_ds250x.c b/drivers/w1/slaves/w1_ds250x.c index cb426f7dd23d..369de01cd84b 100644 --- a/drivers/w1/slaves/w1_ds250x.c +++ b/drivers/w1/slaves/w1_ds250x.c @@ -137,7 +137,7 @@ static int w1_ds2505_read_page(struct w1_slave *sl, int pageno) return ret; } -static int w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) +static ssize_t w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) { struct w1_slave *sl = priv; struct w1_eprom_data *data = sl->family_data; @@ -159,7 +159,7 @@ static int w1_nvmem_read(void *priv, unsigned int off, void *buf, size_t count) } while (i < OFF2PG(off + count)); memcpy(buf, &data->eprom[off], count); - return 0; + return count; } static int w1_eprom_add_slave(struct w1_slave *sl)