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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2021-06-25 09:25:31 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-06-25 10:01:00 +0200 |
| commit | e336780cc3ddbf48b8d3088276497bd076afaa78 (patch) | |
| tree | 18eb45b1477bd11fe4f9f310ef9abc99d879bef1 /drivers/pinctrl | |
| parent | cd23b6facf33cc9bdaa90ea8c0479ef6959f2860 (diff) | |
| download | barebox-e336780cc3ddbf48b8d3088276497bd076afaa78.tar.gz barebox-e336780cc3ddbf48b8d3088276497bd076afaa78.tar.xz | |
pinctrl: Find controller node first
The pinctrl controller node is the first parent node that has a compatible
property. Use that information to find the node without iterating up to
the root node.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.barebox.org/20210625072540.32717-11-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl.c b/drivers/pinctrl/pinctrl.c index b36521ef83..84ac61f2d9 100644 --- a/drivers/pinctrl/pinctrl.c +++ b/drivers/pinctrl/pinctrl.c @@ -85,12 +85,15 @@ static int pinctrl_config_one(struct device_node *np) pinctrl_node = pinctrl_node->parent; if (!pinctrl_node) return -ENODEV; - pdev = find_pinctrl(pinctrl_node); - if (pdev) + if (of_get_property(pinctrl_node, "compatible", NULL)) break; } - return pdev->ops->set_state(pdev, np); + pdev = find_pinctrl(pinctrl_node); + if (pdev) + return pdev->ops->set_state(pdev, np); + else + return -ENODEV; } int of_pinctrl_select_state(struct device_node *np, const char *name) |