C++ (Cpp) dm_gpio_requestf Examples

Example #1

File: gpio-uclass.c Project: eddyp/u-boot

static int _gpio_request_by_name_nodev(const void *blob, int node,
				       const char *list_name, int index,
				       struct gpio_desc *desc, int flags,
				       bool add_index)
{
	struct fdtdec_phandle_args args;
	int ret;

	desc->dev = NULL;
	desc->offset = 0;
	desc->flags = 0;
	ret = fdtdec_parse_phandle_with_args(blob, node, list_name,
					     "#gpio-cells", 0, index, &args);
	if (ret) {
		debug("%s: fdtdec_parse_phandle_with_args failed\n", __func__);
		goto err;
	}

	ret = uclass_get_device_by_of_offset(UCLASS_GPIO, args.node,
					     &desc->dev);
	if (ret) {
		debug("%s: uclass_get_device_by_of_offset failed\n", __func__);
		goto err;
	}
	ret = gpio_find_and_xlate(desc, &args);
	if (ret) {
		debug("%s: gpio_find_and_xlate failed\n", __func__);
		goto err;
	}
	ret = dm_gpio_requestf(desc, add_index ? "%s.%s%d" : "%s.%s",
			       fdt_get_name(blob, node, NULL),
			       list_name, index);
	if (ret) {
		debug("%s: dm_gpio_requestf failed\n", __func__);
		goto err;
	}
	ret = dm_gpio_set_dir_flags(desc, flags | desc->flags);
	if (ret) {
		debug("%s: dm_gpio_set_dir failed\n", __func__);
		goto err;
	}

	return 0;
err:
	debug("%s: Node '%s', property '%s', failed to request GPIO index %d: %d\n",
	      __func__, fdt_get_name(blob, node, NULL), list_name, index, ret);
	return ret;
}

Example #2

File: gpio-uclass.c Project: OpenNoah/u-boot

static int gpio_request_tail(int ret, ofnode node,
			     struct ofnode_phandle_args *args,
			     const char *list_name, int index,
			     struct gpio_desc *desc, int flags, bool add_index)
{
	desc->dev = NULL;
	desc->offset = 0;
	desc->flags = 0;
	if (ret)
		goto err;

	ret = uclass_get_device_by_ofnode(UCLASS_GPIO, args->node,
					  &desc->dev);
	if (ret) {
		debug("%s: uclass_get_device_by_of_offset failed\n", __func__);
		goto err;
	}
	ret = gpio_find_and_xlate(desc, args);
	if (ret) {
		debug("%s: gpio_find_and_xlate failed\n", __func__);
		goto err;
	}
	ret = dm_gpio_requestf(desc, add_index ? "%s.%s%d" : "%s.%s",
			       ofnode_get_name(node),
			       list_name, index);
	if (ret) {
		debug("%s: dm_gpio_requestf failed\n", __func__);
		goto err;
	}
	ret = dm_gpio_set_dir_flags(desc, flags | desc->flags);
	if (ret) {
		debug("%s: dm_gpio_set_dir failed\n", __func__);
		goto err;
	}

	return 0;
err:
	debug("%s: Node '%s', property '%s', failed to request GPIO index %d: %d\n",
	      __func__, ofnode_get_name(node), list_name, index, ret);
	return ret;
}