Add a helper function gpio_desc_init() to initialize the gpio descriptor; with this function the flags will be always set to 0.
It wasn't the case before this patch in dm_gpio_lookup_name.
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---
Changes in v2: - add gpio descriptor initialization helper
drivers/gpio/gpio-uclass.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index eb599cbcfd..0870458e96 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -18,6 +18,22 @@
DECLARE_GLOBAL_DATA_PTR;
+/** + * gpio_desc_init() - Initialize the GPIO descriptor + * + * @desc: GPIO descriptor to initialize + * @dev: GPIO device + * @offset: Offset of device GPIO + */ +static void gpio_desc_init(struct gpio_desc *desc, + struct udevice *dev, + uint offset) +{ + desc->dev = dev; + desc->offset = offset; + desc->flags = 0; +} + /** * gpio_to_device() - Convert global GPIO number to device, number * @@ -41,9 +57,7 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc) uc_priv = dev_get_uclass_priv(dev); if (gpio >= uc_priv->gpio_base && gpio < uc_priv->gpio_base + uc_priv->gpio_count) { - desc->dev = dev; - desc->offset = gpio - uc_priv->gpio_base; - desc->flags = 0; + gpio_desc_init(desc, dev, gpio - uc_priv->gpio_base); return 0; } } @@ -85,8 +99,7 @@ int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc) if (!dev) return ret ? ret : -EINVAL;
- desc->dev = dev; - desc->offset = offset; + gpio_desc_init(desc, dev, offset);
return 0; } @@ -772,9 +785,7 @@ static int gpio_request_tail(int ret, const char *nodename, struct gpio_desc *desc, int flags, bool add_index, struct udevice *gpio_dev) { - desc->dev = gpio_dev; - desc->offset = 0; - desc->flags = 0; + gpio_desc_init(desc, gpio_dev, 0); if (ret) goto err;