HelenOS sources

REG_DRIVE_HEAD    971 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1016 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1156 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1213 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1485 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1563 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);
REG_DRIVE_HEAD   1624 uspace/lib/ata/src/ata.c 	ata_write_cmd_8(chan, REG_DRIVE_HEAD, drv_head);