Commit 56a71f89 authored by Simon Glass's avatar Simon Glass
Browse files

dm: gpio: Add an implementation for gpio_get_number()



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: default avatarSimon Glass <sjg@chromium.org>
Reviewed-by: default avatarMarek Vasut <marex@denx.de>
parent c5785673
......@@ -685,6 +685,18 @@ 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);
......
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