These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / base / pinctrl.c

diff --git a/kernel/drivers/base/pinctrl.c b/kernel/drivers/base/pinctrl.c
index 5fb74b4..0762975 100644 (file)
--- a/kernel/drivers/base/pinctrl.c
+++ b/kernel/drivers/base/pinctrl.c
@@ -42,9 +42,20 @@ int pinctrl_bind_pins(struct device *dev)
                goto cleanup_get;
        }
 
-       ret = pinctrl_select_state(dev->pins->p, dev->pins->default_state);
+       dev->pins->init_state = pinctrl_lookup_state(dev->pins->p,
+                                       PINCTRL_STATE_INIT);
+       if (IS_ERR(dev->pins->init_state)) {
+               /* Not supplying this state is perfectly legal */
+               dev_dbg(dev, "no init pinctrl state\n");
+
+               ret = pinctrl_select_state(dev->pins->p,
+                                          dev->pins->default_state);
+       } else {
+               ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state);
+       }
+
        if (ret) {
-               dev_dbg(dev, "failed to activate default pinctrl state\n");
+               dev_dbg(dev, "failed to activate initial pinctrl state\n");
                goto cleanup_get;
        }