C++ (Cpp) blk_get_from_parent Exemples

Exemple #1

Fichier : blk.c Projet : Noltari/u-boot

/* Test that we can get a block from its parent */
static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
{
	struct udevice *dev, *blk;

	ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
	ut_assertok(blk_get_from_parent(dev, &blk));

	ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
	ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));

	ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
	ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));

	return 0;
}

Exemple #2

Fichier : mmc.c Projet : krtkl/snickerdoodle-u-boot

static const char *init_mmc_for_env(struct mmc *mmc)
{
	if (!mmc)
		return "!No MMC card found";

#ifdef CONFIG_BLK
	struct udevice *dev;

	if (blk_get_from_parent(mmc->dev, &dev))
		return "!No block device";
#else
	if (mmc_init(mmc))
		return "!MMC init failed";
#endif
	if (mmc_set_env_part(mmc))
		return "!MMC partition switch failed";

	return NULL;
}