preferred_erase_size  773 drivers/mmc/core/mmc.c MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
preferred_erase_size  683 drivers/mmc/core/sd.c MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);