diff options
Diffstat (limited to 'drivers/ide/pci/pdc202xx_old.c')
-rw-r--r-- | drivers/ide/pci/pdc202xx_old.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 23844687deea..41ac4a94959f 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -152,8 +152,10 @@ static void pdc202xx_tune_drive(ide_drive_t *drive, u8 pio) static u8 pdc202xx_old_cable_detect (ide_hwif_t *hwif) { u16 CIS = 0, mask = (hwif->channel) ? (1<<11) : (1<<10); + pci_read_config_word(hwif->pci_dev, 0x50, &CIS); - return (CIS & mask) ? 1 : 0; + + return (CIS & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80; } /* @@ -267,18 +269,24 @@ somebody_else: return (dma_stat & 4) == 4; /* return 1 if INTR asserted */ } -static int pdc202xx_ide_dma_lostirq(ide_drive_t *drive) +static void pdc202xx_dma_lost_irq(ide_drive_t *drive) { - if (HWIF(drive)->resetproc != NULL) - HWIF(drive)->resetproc(drive); - return __ide_dma_lostirq(drive); + ide_hwif_t *hwif = HWIF(drive); + + if (hwif->resetproc != NULL) + hwif->resetproc(drive); + + ide_dma_lost_irq(drive); } -static int pdc202xx_ide_dma_timeout(ide_drive_t *drive) +static void pdc202xx_dma_timeout(ide_drive_t *drive) { - if (HWIF(drive)->resetproc != NULL) - HWIF(drive)->resetproc(drive); - return __ide_dma_timeout(drive); + ide_hwif_t *hwif = HWIF(drive); + + if (hwif->resetproc != NULL) + hwif->resetproc(drive); + + ide_dma_timeout(drive); } static void pdc202xx_reset_host (ide_hwif_t *hwif) @@ -347,12 +355,13 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) hwif->err_stops_fifo = 1; hwif->ide_dma_check = &pdc202xx_config_drive_xfer_rate; - hwif->ide_dma_lostirq = &pdc202xx_ide_dma_lostirq; - hwif->ide_dma_timeout = &pdc202xx_ide_dma_timeout; + hwif->dma_lost_irq = &pdc202xx_dma_lost_irq; + hwif->dma_timeout = &pdc202xx_dma_timeout; if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) { - if (!(hwif->udma_four)) - hwif->udma_four = (pdc202xx_old_cable_detect(hwif)) ? 0 : 1; + if (hwif->cbl != ATA_CBL_PATA40_SHORT) + hwif->cbl = pdc202xx_old_cable_detect(hwif); + hwif->dma_start = &pdc202xx_old_ide_dma_start; hwif->ide_dma_end = &pdc202xx_old_ide_dma_end; } |