pinctrl: handle zero found dt pinconfig properties better
From: Heiko Stuebner <heiko@...> Date: Fri, 14 Jun 2013 16:12:55 +0200
Commit-Message
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@...> Signed-off-by: Heiko Stuebner <heiko@...>
Patch-Comment
drivers/pinctrl/pinconf-generic.c | 7 +++++++ 1 file changed, 7 insertions(+)
Statistics
- 7 lines added
- 0 lines removed
Changes
---------------------- drivers/pinctrl/pinconf-generic.c -----------------------
index dcf0371..ea9da17 100644
@@ -208,6 +208,13 @@ int pinconf_generic_parse_dt_config(struct device_node *np,
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.