Saying it "returns the result" seems tautological. The read function
does not return num_bytes on success, it returns zero on success. I
noticed this discrepancy because some of the callers were checking for
>= 0.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index c64615dca2bd..07d168f8cc81 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -448,7 +448,7 @@ static struct regmap *twl_get_regmap(u8 mod_no)
* @reg: register address (just offset will do)
* @num_bytes: number of bytes to transfer
*
- * Returns the result of operation - 0 is success
+ * Returns 0 on success or else a negative error code.
*/
int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
{
@@ -476,7 +476,7 @@ EXPORT_SYMBOL(twl_i2c_write);
* @reg: register address (just offset will do)
* @num_bytes: number of bytes to transfer
*
- * Returns result of operation - num_bytes is success else failure.
+ * Returns 0 on success or else a negative error code.
*/
int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
{
--
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