This has a prototype but no implementation. It returns the global GPIO number given a gpio_desc. It is useful for debugging in some cases.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
drivers/gpio/gpio-uclass.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index b6e1058..380366f 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -689,6 +689,18 @@ static int gpio_renumber(struct udevice *removed_dev) return 0; }
+int gpio_get_number(struct gpio_desc *desc) +{ + struct udevice *dev = desc->dev; + struct gpio_dev_priv *uc_priv; + + if (!dev) + return -1; + uc_priv = dev->uclass_priv; + + return uc_priv->gpio_base + desc->offset; +} + static int gpio_post_probe(struct udevice *dev) { struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);