diff options
Diffstat (limited to 'drivers/ide/pci/sl82c105.c')
| -rw-r--r-- | drivers/ide/pci/sl82c105.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 487879842af..0947cab0059 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -52,12 +52,13 @@ * Convert a PIO mode and cycle time to the required on/off times * for the interface. This has protection against runaway timings. */ -static unsigned int get_pio_timings(ide_pio_data_t *p) +static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio) { unsigned int cmd_on, cmd_off; + u8 iordy = 0; - cmd_on = (ide_pio_timings[p->pio_mode].active_time + 29) / 30; - cmd_off = (p->cycle_time - 30 * cmd_on + 29) / 30; + cmd_on = (ide_pio_timings[pio].active_time + 29) / 30; + cmd_off = (ide_pio_cycle_time(drive, pio) - 30 * cmd_on + 29) / 30; if (cmd_on == 0) cmd_on = 1; @@ -65,7 +66,10 @@ static unsigned int get_pio_timings(ide_pio_data_t *p) if (cmd_off == 0) cmd_off = 1; - return (cmd_on - 1) << 8 | (cmd_off - 1) | (p->use_iordy ? 0x40 : 0x00); + if (pio > 2 || ide_dev_has_iordy(drive->id)) + iordy = 0x40; + + return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy; } /* @@ -75,14 +79,13 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) { struct pci_dev *dev = HWIF(drive)->pci_dev; int reg = 0x44 + drive->dn * 4; - ide_pio_data_t p; u16 drv_ctrl; DBG(("sl82c105_tune_pio(drive:%s, pio:%u)\n", drive->name, pio)); - pio = ide_get_best_pio_mode(drive, pio, 5, &p); + pio = ide_get_best_pio_mode(drive, pio, 5); - drv_ctrl = get_pio_timings(&p); + drv_ctrl = get_pio_timings(drive, pio); /* * Store the PIO timings so that we can restore them @@ -101,7 +104,8 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) } printk(KERN_DEBUG "%s: selected %s (%dns) (%04X)\n", drive->name, - ide_xfer_verbose(pio + XFER_PIO_0), p.cycle_time, drv_ctrl); + ide_xfer_verbose(pio + XFER_PIO_0), + ide_pio_cycle_time(drive, pio), drv_ctrl); return pio; } @@ -338,7 +342,6 @@ static void sl82c105_tune_drive(ide_drive_t *drive, u8 pio) static unsigned int sl82c105_bridge_revision(struct pci_dev *dev) { struct pci_dev *bridge; - u8 rev; /* * The bridge should be part of the same device, but function 0. @@ -360,10 +363,9 @@ static unsigned int sl82c105_bridge_revision(struct pci_dev *dev) /* * We need to find function 0's revision, not function 1 */ - pci_read_config_byte(bridge, PCI_REVISION_ID, &rev); pci_dev_put(bridge); - return rev; + return bridge->revision; } /* @@ -451,10 +453,10 @@ static ide_pci_device_t sl82c105_chipset __devinitdata = { .name = "W82C105", .init_chipset = init_chipset_sl82c105, .init_hwif = init_hwif_sl82c105, - .channels = 2, .autodma = NOAUTODMA, .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}}, .bootable = ON_BOARD, + .pio_mask = ATA_PIO5, }; static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id) |