From e4a8844c04c00a1a64c6779692e1baff3851c1f7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Heiko=20St=C3=BCbner?= Date: Fri, 14 Jun 2013 17:43:21 +0200 Subject: [PATCH] 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 Signed-off-by: Heiko Stuebner Reviewed-by: James Hogan Signed-off-by: Linus Walleij --- drivers/pinctrl/pinconf-generic.c | 7 +++++++ 1 file changed, 7 insertions(+) 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 @@ 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. -- 2.7.4