Symbol: SDFLAG_FORCE_PIO
usr/src/uts/common/io/sdcard/adapters/sdhost/sdhost.c
1106
ss->ss_flags |= SDFLAG_FORCE_PIO;
usr/src/uts/common/io/sdcard/adapters/sdhost/sdhost.c
1438
((ss->ss_flags & SDFLAG_FORCE_PIO) == 0) &&