diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 9638a00c67c2..2686a4450dfc 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1240,6 +1240,38 @@ int pinctrl_force_default(struct pinctrl_dev *pctldev) } EXPORT_SYMBOL_GPL(pinctrl_force_default); +/** + * pinctrl_init_done() - tell pinctrl probe is done + * + * We'll use this time to switch the pins from "init" to "default" unless the + * driver selected some other state. + * + * @dev: device to that's done probing + */ +int pinctrl_init_done(struct device *dev) +{ + struct dev_pin_info *pins = dev->pins; + int ret; + + if (!pins) + return 0; + + if (IS_ERR(pins->init_state)) + return 0; /* No such state */ + + if (pins->p->state != pins->init_state) + return 0; /* Not at init anyway */ + + if (IS_ERR(pins->default_state)) + return 0; /* No default state */ + + ret = pinctrl_select_state(pins->p, pins->default_state); + if (ret) + dev_err(dev, "failed to activate default pinctrl state\n"); + + return ret; +} + #ifdef CONFIG_PM /** |