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Date: Wed,  5 Jun 2024 18:02:34 +0000
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Subject: [PATCH v1 13/17] w1: slaves: w1_ds250x: 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; charset="UTF-8"

Change nvmem read/write function definition return type to ssize_t.

Signed-off-by: Joy Chakraborty <joychakr@google.com>
---
 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)
-- 
2.45.1.467.gbab1589fc0-goog