diff options
Diffstat (limited to 'drivers/ide/pci/via82cxxx.c')
| -rw-r--r-- | drivers/ide/pci/via82cxxx.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index d21dd2e7eeb3..581316f9581d 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -1,6 +1,6 @@ /* * - * Version 3.45 + * Version 3.46 * * VIA IDE driver for Linux. Supported southbridges: * @@ -203,10 +203,8 @@ static int via_set_drive(ide_drive_t *drive, u8 speed) static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio) { - if (pio == 255) { - via_set_drive(drive, ide_find_best_pio_mode(drive)); - return; - } + if (pio == 255) + pio = ide_get_best_pio_mode(drive, 255, 5); via_set_drive(drive, XFER_PIO_0 + min_t(u8, pio, 5)); } @@ -223,12 +221,14 @@ static int via82cxxx_ide_dma_check (ide_drive_t *drive) { u8 speed = ide_max_dma_mode(drive); - if (speed == 0) - speed = ide_find_best_pio_mode(drive); + if (speed == 0) { + via82cxxx_tune_drive(drive, 255); + return -1; + } via_set_drive(drive, speed); - if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) + if (drive->autodma) return 0; return -1; @@ -237,16 +237,14 @@ static int via82cxxx_ide_dma_check (ide_drive_t *drive) static struct via_isa_bridge *via_config_find(struct pci_dev **isa) { struct via_isa_bridge *via_config; - u8 t; for (via_config = via_isa_bridges; via_config->id; via_config++) if ((*isa = pci_get_device(PCI_VENDOR_ID_VIA + !!(via_config->flags & VIA_BAD_ID), via_config->id, NULL))) { - pci_read_config_byte(*isa, PCI_REVISION_ID, &t); - if (t >= via_config->rev_min && - t <= via_config->rev_max) + if ((*isa)->revision >= via_config->rev_min && + (*isa)->revision <= via_config->rev_max) break; pci_dev_put(*isa); } @@ -404,10 +402,9 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const * Print the boot message. */ - pci_read_config_byte(isa, PCI_REVISION_ID, &t); printk(KERN_INFO "VP_IDE: VIA %s (rev %02x) IDE %sDMA%s " "controller on pci%s\n", - via_config->name, t, + via_config->name, isa->revision, via_config->udma_mask ? "U" : "MW", via_dma[via_config->udma_mask ? (fls(via_config->udma_mask) - 1) : 0], @@ -501,18 +498,22 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = { .name = "VP_IDE", .init_chipset = init_chipset_via82cxxx, .init_hwif = init_hwif_via82cxxx, - .channels = 2, .autodma = NOAUTODMA, .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, - .bootable = ON_BOARD + .bootable = ON_BOARD, + .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST + | IDE_HFLAG_PIO_NO_DOWNGRADE, + .pio_mask = ATA_PIO5, },{ /* 1 */ .name = "VP_IDE", .init_chipset = init_chipset_via82cxxx, .init_hwif = init_hwif_via82cxxx, - .channels = 2, .autodma = AUTODMA, .enablebits = {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, .bootable = ON_BOARD, + .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST + | IDE_HFLAG_PIO_NO_DOWNGRADE, + .pio_mask = ATA_PIO5, } }; |