diff options
Diffstat (limited to 'drivers/ide/pci/hpt34x.c')
| -rw-r--r-- | drivers/ide/pci/hpt34x.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index ce7b08f08a0..6707f3944d4 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -48,19 +48,6 @@ static u8 hpt34x_ratemask (ide_drive_t *drive) return 1; } -static void hpt34x_clear_chipset (ide_drive_t *drive) -{ - struct pci_dev *dev = HWIF(drive)->pci_dev; - u32 reg1 = 0, tmp1 = 0, reg2 = 0, tmp2 = 0; - - pci_read_config_dword(dev, 0x44, ®1); - pci_read_config_dword(dev, 0x48, ®2); - tmp1 = ((0x00 << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); - tmp2 = (reg2 & ~(0x11 << drive->dn)); - pci_write_config_dword(dev, 0x44, tmp1); - pci_write_config_dword(dev, 0x48, tmp2); -} - static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) { struct pci_dev *dev = HWIF(drive)->pci_dev; @@ -81,7 +68,7 @@ static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) pci_read_config_dword(dev, 0x44, ®1); pci_read_config_dword(dev, 0x48, ®2); tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); - tmp2 = ((hi_speed << drive->dn) | reg2); + tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn))); pci_write_config_dword(dev, 0x44, tmp1); pci_write_config_dword(dev, 0x48, tmp2); @@ -99,7 +86,6 @@ static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) static void hpt34x_tune_drive (ide_drive_t *drive, u8 pio) { pio = ide_get_best_pio_mode(drive, pio, 5, NULL); - hpt34x_clear_chipset(drive); (void) hpt34x_tune_chipset(drive, (XFER_PIO_0 + pio)); } @@ -117,7 +103,6 @@ static int config_chipset_for_dma (ide_drive_t *drive) if (!(speed)) return 0; - hpt34x_clear_chipset(drive); (void) hpt34x_tune_chipset(drive, speed); return ide_dma_enable(drive); } |