diff options
Diffstat (limited to 'drivers/ide/pci/amd74xx.c')
| -rw-r--r-- | drivers/ide/pci/amd74xx.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 84ed30cdb324..06c15a6a3e7d 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -1,5 +1,5 @@ /* - * Version 2.20 + * Version 2.21 * * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04 * IDE driver for Linux. @@ -123,8 +123,7 @@ static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count) amd_print("Driver Version: 2.13"); amd_print("South Bridge: %s", pci_name(bmide_dev)); - pci_read_config_byte(dev, PCI_REVISION_ID, &t); - amd_print("Revision: IDE %#x", t); + amd_print("Revision: IDE %#x", dev->revision); amd_print("Highest DMA rate: UDMA%s", amd_dma[fls(amd_config->udma_mask) - 1]); amd_print("BM-DMA base: %#lx", amd_base); @@ -273,10 +272,8 @@ static int amd_set_drive(ide_drive_t *drive, u8 speed) static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) { - if (pio == 255) { - amd_set_drive(drive, ide_find_best_pio_mode(drive)); - return; - } + if (pio == 255) + pio = ide_get_best_pio_mode(drive, 255, 5); amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); } @@ -285,12 +282,14 @@ static int amd74xx_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) { + amd74xx_tune_drive(drive, 255); + return -1; + } amd_set_drive(drive, speed); - if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) + if (drive->autodma) return 0; return -1; @@ -312,8 +311,7 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch */ if (amd_config->flags & AMD_CHECK_SWDMA) { - pci_read_config_byte(dev, PCI_REVISION_ID, &t); - if (t <= 7) + if (dev->revision <= 7) amd_config->flags |= AMD_BAD_SWDMA; } @@ -383,7 +381,7 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch pci_read_config_byte(dev, PCI_REVISION_ID, &t); printk(KERN_INFO "%s: %s (rev %02x) UDMA%s controller\n", - amd_chipset->name, pci_name(dev), t, + amd_chipset->name, pci_name(dev), dev->revision, amd_dma[fls(amd_config->udma_mask) - 1]); /* @@ -450,10 +448,12 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .name = name_str, \ .init_chipset = init_chipset_amd74xx, \ .init_hwif = init_hwif_amd74xx, \ - .channels = 2, \ .autodma = AUTODMA, \ .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \ .bootable = ON_BOARD, \ + .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ + | IDE_HFLAG_PIO_NO_DOWNGRADE, \ + .pio_mask = ATA_PIO5, \ } #define DECLARE_NV_DEV(name_str) \ @@ -461,10 +461,12 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .name = name_str, \ .init_chipset = init_chipset_amd74xx, \ .init_hwif = init_hwif_amd74xx, \ - .channels = 2, \ .autodma = AUTODMA, \ .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ .bootable = ON_BOARD, \ + .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ + | IDE_HFLAG_PIO_NO_DOWNGRADE, \ + .pio_mask = ATA_PIO5, \ } static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { |
