i2c: taos-evm: replace simple_strtoul by kstrtou8

The simple_strtoul function is marked as obsolete.
This patch replace it by kstrtou8.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Tested-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
index 4c7fc2d47014f214c2a316189d75fb8869c0ae1d..210ca82f8aa05d24068ea7d6c77b8d915a600813 100644 (file)
--- a/drivers/i2c/busses/i2c-taos-evm.c
+++ b/drivers/i2c/busses/i2c-taos-evm.c
@@ -130,7 +130,13 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
                        return 0;
        } else {
                if (p[0] == 'x') {
-                       data->byte = simple_strtol(p + 1, NULL, 16);
+                       /*
+                        * Voluntarily dropping error code of kstrtou8 since all
+                        * error code that it could return are invalid according
+                        * to Documentation/i2c/fault-codes.
+                        */
+                       if (kstrtou8(p + 1, 16, &data->byte))
+                               return -EPROTO;
                        return 0;
                }
        }