diff options
Diffstat (limited to 'drivers/ide/piix.c')
| -rw-r--r-- | drivers/ide/piix.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c index bf14f39bd3a..64b3041daa6 100644 --- a/drivers/ide/piix.c +++ b/drivers/ide/piix.c @@ -59,15 +59,14 @@ static int no_piix_dma; /** * piix_set_pio_mode - set host controller for PIO mode + * @port: port * @drive: drive - * @pio: PIO mode number * * Set the interface PIO mode based upon the settings done by AMI BIOS. */ -static void piix_set_pio_mode(ide_drive_t *drive, const u8 pio) +static void piix_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); int is_slave = drive->dn & 1; int master_port = hwif->channel ? 0x42 : 0x40; @@ -77,6 +76,7 @@ static void piix_set_pio_mode(ide_drive_t *drive, const u8 pio) u8 slave_data; static DEFINE_SPINLOCK(tune_lock); int control = 0; + const u8 pio = drive->pio_mode - XFER_PIO_0; /* ISP RTC */ static const u8 timings[][2]= { @@ -176,7 +176,6 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, 0x54, reg54 & ~v_flag); } else { const u8 mwdma_to_pio[] = { 0, 3, 4 }; - u8 pio; if (reg48 & u_flag) pci_write_config_byte(dev, 0x48, reg48 & ~u_flag); @@ -188,11 +187,12 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag); if (speed >= XFER_MW_DMA_0) - pio = mwdma_to_pio[speed - XFER_MW_DMA_0]; + drive->pio_mode = + mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0; else - pio = 2; /* only SWDMA2 is allowed */ + drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */ - piix_set_pio_mode(drive, pio); + piix_set_pio_mode(hwif, drive); } } |