diff options
| author | Heiko Stübner <heiko@sntech.de> | 2013-06-14 17:43:21 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 18:18:31 +0200 |
| commit | e4a8844c04c00a1a64c6779692e1baff3851c1f7 (patch) | |
| tree | 3ba79a4fd0c9813749b555f680d0fbc7a36f94e6 /drivers | |
| parent | pinctrl: clarify some dt pinconfig options (diff) | |
| download | linux-e4a8844c04c00a1a64c6779692e1baff3851c1f7.tar.xz linux-e4a8844c04c00a1a64c6779692e1baff3851c1f7.zip | |
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>
Diffstat (limited to 'drivers')
| -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. |