pinctrl: conjure names for unnamed pins

If pins with blank names are registered, we assign them names on-the-fly
on the form "PINn" where n is the pin number for that pin on the specific
controller.

Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 5375582566a5..177a3310547f 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -52,6 +52,7 @@ struct pinctrl_dev {
  * @pctldev: corresponding pin control device
  * @name: a name for the pin, e.g. the name of the pin/pad/finger on a
  *      datasheet or such
+ * @dynamic_name: if the name of this pin was dynamically allocated
  * @lock: a lock to protect the descriptor structure
  * @mux_requested: whether the pin is already requested by pinmux or not
  * @mux_function: a named muxing function for the pin that will be passed to
@@ -60,6 +61,7 @@ struct pinctrl_dev {
 struct pin_desc {
         struct pinctrl_dev *pctldev;
         const char *name;
+        bool dynamic_name;
         spinlock_t lock;
         /* These fields only added when supporting pinmux drivers */
 #ifdef CONFIG_PINMUX