mmc_test_burst
if (!mmc_test_burst(ast, 0))
if (!mmc_test_burst(ast, 0))
if (!mmc_test_burst(ast, 0))
if (!mmc_test_burst(ast, 1))
if (!mmc_test_burst(ast, 2))
if (!mmc_test_burst(ast, 3))
bool mmc_test_burst(struct ast_device *ast, u32 datagen);