FOUR_BIT 601 drivers/mmc/host/omap_hsmmc.c OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT); FOUR_BIT 606 drivers/mmc/host/omap_hsmmc.c OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT);