C++ (Cpp) syscon_get_regmap_by_driver_data示例

示例#1

文件： syscon-uclass.c 项目： Noltari/u-boot

void *syscon_get_first_range(ulong driver_data)
{
	struct regmap *map;

	map = syscon_get_regmap_by_driver_data(driver_data);
	if (IS_ERR(map))
		return map;
	return regmap_get_range(map, 0);
}

示例#2

/* Test we can access a regmap through syscon */
static int dm_test_regmap_syscon(struct unit_test_state *uts)
{
	struct regmap *map;

	map = syscon_get_regmap_by_driver_data(SYSCON0);
	ut_assertok_ptr(map);
	ut_asserteq(1, map->range_count);

	map = syscon_get_regmap_by_driver_data(SYSCON1);
	ut_assertok_ptr(map);
	ut_asserteq(4, map->range_count);

	map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
	ut_asserteq_ptr(ERR_PTR(-ENODEV), map);

	ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
	ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
	ut_asserteq_ptr(ERR_PTR(-ENODEV),
			syscon_get_first_range(SYSCON_COUNT));

	return 0;
}