diff options
Diffstat (limited to 'drivers/ide/slc90e66.c')
| -rw-r--r-- | drivers/ide/slc90e66.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c index 1ccfb40e721..864ffe0e26d 100644 --- a/drivers/ide/slc90e66.c +++ b/drivers/ide/slc90e66.c @@ -18,9 +18,8 @@ static DEFINE_SPINLOCK(slc90e66_lock); -static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) +static void slc90e66_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; @@ -29,6 +28,8 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) u16 master_data; u8 slave_data; int control = 0; + const u8 pio = drive->pio_mode - XFER_PIO_0; + /* ISP RTC */ static const u8 timings[][2] = { { 0, 0 }, @@ -71,14 +72,14 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) spin_unlock_irqrestore(&slc90e66_lock, flags); } -static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) +static void slc90e66_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); u8 maslave = hwif->channel ? 0x42 : 0x40; int sitre = 0, a_speed = 7 << (drive->dn * 4); int u_speed = 0, u_flag = 1 << drive->dn; u16 reg4042, reg44, reg48, reg4a; + const u8 speed = drive->dma_mode; pci_read_config_word(dev, maslave, ®4042); sitre = (reg4042 & 0x4000) ? 1 : 0; @@ -98,7 +99,6 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) } } else { const u8 mwdma_to_pio[] = { 0, 3, 4 }; - u8 pio; if (reg48 & u_flag) pci_write_config_word(dev, 0x48, reg48 & ~u_flag); @@ -106,11 +106,12 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); 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 */ - slc90e66_set_pio_mode(drive, pio); + slc90e66_set_pio_mode(hwif, drive); } } |