From: heiko@sntech.de (Heiko =?utf-8?q?St=C3=BCbner?=) Date: Fri, 14 Jun 2013 17:43:21 +0200 Subject: [PATCH 3/5] pinctrl: handle zero found dt pinconfig properties better In-Reply-To: <201306141741.46077.heiko@sntech.de> References: <201306141741.46077.heiko@sntech.de> Message-ID: <201306141743.21365.heiko@sntech.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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. -- 1.7.10.4