ppa_d_pulse 391 drivers/scsi/ppa.c ppa_d_pulse(ppb, 0); ppa_d_pulse 392 drivers/scsi/ppa.c ppa_d_pulse(ppb, 0x3c); ppa_d_pulse 393 drivers/scsi/ppa.c ppa_d_pulse(ppb, 0x20); ppa_d_pulse 394 drivers/scsi/ppa.c ppa_d_pulse(ppb, 0xf);