summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/core.c')
-rw-r--r--drivers/pinctrl/core.c32
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
/**