static int hpt366_config_drive_xfer_rate(ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
- struct hd_driveid *id = drive->id;
-
drive->init_speed = 0;
- if ((id->capability & 1) && drive->autodma) {
- if (ide_use_dma(drive) && config_chipset_for_dma(drive))
- return hwif->ide_dma_on(drive);
-
- goto fast_ata_pio;
+ if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+ return 0;
- } else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
+ if (ide_use_fast_pio(drive))
hpt3xx_tune_drive(drive, 255);
- return hwif->ide_dma_off_quietly(drive);
- }
- /* IORDY not supported */
- return 0;
+
+ return -1;
}
/*
return 0;
}
- dma_stat = hwif->INB(hwif->dma_status);
+ dma_stat = inb(hwif->dma_status);
/* return 1 if INTR asserted */
if (dma_stat & 4)
return 1;
u8 dma_new = 0, dma_old = 0;
unsigned long flags;
- if (!dmabase)
- return;
-
dma_old = hwif->INB(dmabase + 2);
local_irq_save(flags);