discard_support   240 drivers/mmc/core/sd.c 	u8 discard_support;
discard_support   290 drivers/mmc/core/sd.c 	discard_support = UNSTUFF_BITS(resp, 313 - 288, 1);
discard_support   291 drivers/mmc/core/sd.c 	card->erase_arg = (card->scr.sda_specx && discard_support) ?