diff options
Diffstat (limited to 'drivers/pinctrl/devicetree.c')
| -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); |