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 <s...@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);
--
2.2.0.rc0.207.ga3a616c
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