SUPPORT_VLB_SYNC 16 drivers/ide/ide-devsets.c if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1)) SUPPORT_VLB_SYNC 214 drivers/ide/ide-proc.c IDE_PROC_DEVSET(io_32bit, 0, 1 + (SUPPORT_VLB_SYNC << 1)),