diff options
| author | Heiko Stübner <heiko@sntech.de> | 2013-06-14 17:43:21 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-04 16:20:40 +0100 |
| commit | 374b02f771b24b9f4207d6b1c87564968c2615f9 (patch) | |
| tree | 2b692b448c7b0195d10c23e0bfe65fd874f12059 /drivers/pinctrl | |
| parent | 255b8fa40a5d04f129acbde59d8c4d9b99bcc096 (diff) | |
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>
(cherry picked from commit e4a8844c04c00a1a64c6779692e1baff3851c1f7)
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinconf-generic.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index dcf03714de90..ea9da1752252 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. |