Symbol: MMC_DRV_OP_GET_EXT_CSD
drivers/mmc/core/block.c
1158
case MMC_DRV_OP_GET_EXT_CSD:
drivers/mmc/core/block.c
3065
req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_EXT_CSD;