pinctrl: handle zero found dt pinconfig properties better
This adds a shortcut when no valid pinconf properties are found
in the parsed dt node, to set the values immediately and return.
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index dcf0371..ea9da17 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -208,6 +208,13 @@
ncfg++;
}
+ /* no configs found at all */
+ if (ncfg == 0) {
+ *configs = NULL;
+ *nconfigs = 0;
+ return 0;
+ }
+
/*
* Now limit the number of configs to the real number of
* found properties.