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| author | Linus Walleij <linus.walleij@linaro.org> | 2013-01-12 00:22:36 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-01-12 00:49:21 +0400 |
| commit | b2083062a3b4035e85349120b426ecef2b6d155f (patch) | |
| tree | 1ca595472e79e8569dc4b3a2e42bc1568da197c7 | |
| parent | e32af889458837d11a1ec5ec98934a1e711b049d (diff) | |
| download | linux-b2083062a3b4035e85349120b426ecef2b6d155f.tar.xz | |
pinctrl: do not defer device tree hogs
commit af1024e0f7cde9023ddd0f3116db03911d5914c0
"pinctrl: skip deferral of hogs"
Attempts to avoid probe deferral on hogged pins, but we
forgot the device tree case. This patch fixes this.
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/pinctrl/devicetree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c index fe2d1af7cfa0..fd40a11ad645 100644 --- a/drivers/pinctrl/devicetree.c +++ b/drivers/pinctrl/devicetree.c @@ -141,6 +141,11 @@ static int dt_to_map_one_config(struct pinctrl *p, const char *statename, pctldev = find_pinctrl_by_of_node(np_pctldev); if (pctldev) break; + /* Do not defer probing of hogs (circular loop) */ + if (np_pctldev == p->dev->of_node) { + of_node_put(np_pctldev); + return -ENODEV; + } } of_node_put(np_pctldev); |