[PATCH v1 06/17] misc: eeprom: at24: Change nvmem reg_read/write return type

[Joy Chakraborty <joychakr@google.com>]

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

Signed-off-by: Joy Chakraborty <joychakr@google.com>
---
 drivers/misc/eeprom/at24.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 4bd4f32bcdab..0e8d92d6ab1e 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -424,8 +424,9 @@ static ssize_t at24_regmap_write(struct at24_data *at24, const char *buf,
 	return -ETIMEDOUT;
 }
 
-static int at24_read(void *priv, unsigned int off, void *val, size_t count)
+static ssize_t at24_read(void *priv, unsigned int off, void *val, size_t count)
 {
+	size_t bytes_read = count;
 	struct at24_data *at24;
 	struct device *dev;
 	char *buf = val;
@@ -465,11 +466,12 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
 	if (unlikely(at24->read_post))
 		at24->read_post(off, buf, i);
 
-	return 0;
+	return bytes_read;
 }
 
-static int at24_write(void *priv, unsigned int off, void *val, size_t count)
+static ssize_t at24_write(void *priv, unsigned int off, void *val, size_t count)
 {
+	size_t bytes_written = count;
 	struct at24_data *at24;
 	struct device *dev;
 	char *buf = val;
@@ -509,7 +511,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
 
 	pm_runtime_put(dev);
 
-	return 0;
+	return bytes_written;
 }
 
 static int at24_make_dummy_client(struct at24_data *at24, unsigned int index,
-- 
2.45.1.467.gbab1589fc0-goog