linux-kernel - [PATCH v1 12/17] soc: atmel: sfr: Change nvmem reg

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Message-ID: <20240605180238.2617808-3-joychakr@google.com>
Date: Wed,  5 Jun 2024 18:02:33 +0000
From: Joy Chakraborty <joychakr@...gle.com>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Lars-Peter Clausen <lars@...afoo.de>, Sakari Ailus <sakari.ailus@...ux.intel.com>, 
	Bingbu Cao <bingbu.cao@...el.com>, Zhihao Cheng <chengzhihao1@...wei.com>, 
	Jerome Brunet <jbrunet@...libre.com>, 
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-iio@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-i2c@...r.kernel.org, linux-gpio@...r.kernel.org, 
	linux-mtd@...ts.infradead.org, linux-rtc@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
	linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org, 
	linux-usb@...r.kernel.org, manugautam@...gle.com, 
	Joy Chakraborty <joychakr@...gle.com>
Subject: [PATCH v1 12/17] soc: atmel: sfr: Change nvmem reg_read/write return type

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

Signed-off-by: Joy Chakraborty <joychakr@...gle.com>
---
 drivers/soc/atmel/sfr.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/atmel/sfr.c b/drivers/soc/atmel/sfr.c
index cc94ca1b494c..c1c8e59cf6fc 100644
--- a/drivers/soc/atmel/sfr.c
+++ b/drivers/soc/atmel/sfr.c
@@ -20,13 +20,16 @@ struct atmel_sfr_priv {
 	struct regmap			*regmap;
 };
 
-static int atmel_sfr_read(void *context, unsigned int offset,
-			  void *buf, size_t bytes)
+static ssize_t atmel_sfr_read(void *context, unsigned int offset,
+			      void *buf, size_t bytes)
 {
 	struct atmel_sfr_priv *priv = context;
+	int ret;
+
+	ret = regmap_bulk_read(priv->regmap, SFR_SN0 + offset,
+			       buf, bytes / 4);
 
-	return regmap_bulk_read(priv->regmap, SFR_SN0 + offset,
-				buf, bytes / 4);
+	return ret < 0 ? ret : bytes;
 }
 
 static struct nvmem_config atmel_sfr_nvmem_config = {
-- 
2.45.1.467.gbab1589fc0-goog