U8 32 drivers/gpu/drm/amd/include/atom-bits.h #define U8(ptr) get_u8(ctx->ctx->bios, (ptr)) U8 32 drivers/gpu/drm/radeon/atom-bits.h #define U8(ptr) get_u8(ctx->ctx->bios, (ptr)) U8 48 drivers/message/fusion/lsi/mpi_type.h typedef unsigned char U8; U8 40 drivers/scsi/mpt3sas/mpi/mpi2_type.h typedef u8 U8;