[PATCH v1 12/17] soc: atmel: sfr: Change nvmem reg_read/write return type

[Joy Chakraborty <joychakr@xxxxxxxxxx>]

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

Signed-off-by: Joy Chakraborty <joychakr@xxxxxxxxxx>
---
 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