leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pinctrl: do not defer device tree hogs

Browse Source 
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>
This commit is contained in:
Linus Walleij 2013-01-11 21:22:36 +01:00
parent e32af88945
commit b2083062a3
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/pinctrl/devicetree.c
View File

@ -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); pctldev = find_pinctrl_by_of_node(np_pctldev);
if (pctldev) if (pctldev)
break; 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); of_node_put(np_pctldev);