pinctrl: devicetree: Use strlen() instead of hardcoded number

Improve readability by replacing a hardcoded number requiring a comment
by strlen().

Gcc is smart enough to evaluate the length of a constant string at
compile-time.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190731132917.17607-2-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 88ddbb2e30de..5d6d8b1e9062 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -228,10 +228,8 @@ int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev)
                  * than dynamically allocate it and have to free it later,
                  * just point part way into the property name for the string.
                  */
-                if (ret < 0) {
-                        /* strlen("pinctrl-") == 8 */
-                        statename = prop->name + 8;
-                }
+                if (ret < 0)
+                        statename = prop->name + strlen("pinctrl-");
 
                 /* For every referenced pin configuration node in it */
                 for (config = 0; config < size; config++) {