diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/serverworks.c | 40 |
1 files changed, 11 insertions, 29 deletions
diff --git a/drivers/ide/serverworks.c b/drivers/ide/serverworks.c index b6554ef92716..1777c919237e 100644 --- a/drivers/ide/serverworks.c +++ b/drivers/ide/serverworks.c @@ -2,7 +2,7 @@ * Copyright (C) 1998-2000 Michel Aubry * Copyright (C) 1998-2000 Andrzej Krzysztofowicz * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz * Portions copyright (c) 2001 Sun Microsystems * * @@ -52,8 +52,6 @@ static const char *svwks_bad_ata100[] = { NULL }; -static struct pci_dev *isa_dev; - static int check_in_drive_lists (ide_drive_t *drive, const char **list) { char *m = (char *)&drive->id[ATA_ID_PROD]; @@ -67,26 +65,14 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list) static u8 svwks_udma_filter(ide_drive_t *drive) { struct pci_dev *dev = to_pci_dev(drive->hwif->dev); - u8 mask = 0; - if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) + if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) { return 0x1f; - if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { - u32 reg = 0; - if (isa_dev) - pci_read_config_dword(isa_dev, 0x64, ®); - - /* - * Don't enable UDMA on disk devices for the moment - */ - if(drive->media == ide_disk) - return 0; - /* Check the OSB4 DMA33 enable bit */ - return ((reg & 0x00004000) == 0x00004000) ? 0x07 : 0; } else if (dev->revision < SVWKS_CSB5_REVISION_NEW) { return 0x07; - } else if (dev->revision >= SVWKS_CSB5_REVISION_NEW) { - u8 btr = 0, mode; + } else { + u8 btr = 0, mode, mask; + pci_read_config_byte(dev, 0x5A, &btr); mode = btr & 0x3; @@ -101,13 +87,9 @@ static u8 svwks_udma_filter(ide_drive_t *drive) case 1: mask = 0x07; break; default: mask = 0x00; break; } - } - if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || - (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) && - (!(PCI_FUNC(dev->devfn) & 1))) - mask = 0x1f; - return mask; + return mask; + } } static u8 svwks_csb_check (struct pci_dev *dev) @@ -185,8 +167,9 @@ static int init_chipset_svwks(struct pci_dev *dev) /* OSB4 : South Bridge and IDE */ if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { - isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, - PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL); + struct pci_dev *isa_dev = + pci_get_device(PCI_VENDOR_ID_SERVERWORKS, + PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL); if (isa_dev) { pci_read_config_dword(isa_dev, 0x64, ®); reg &= ~0x00002000; /* disable 600ns interrupt mask */ @@ -343,7 +326,6 @@ static u8 svwks_cable_detect(ide_hwif_t *hwif) static const struct ide_port_ops osb4_port_ops = { .set_pio_mode = svwks_set_pio_mode, .set_dma_mode = svwks_set_dma_mode, - .udma_filter = svwks_udma_filter, }; static const struct ide_port_ops svwks_port_ops = { @@ -460,6 +442,6 @@ static void __exit svwks_ide_exit(void) module_init(svwks_ide_init); module_exit(svwks_ide_exit); -MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick"); +MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick, Bartlomiej Zolnierkiewicz"); MODULE_DESCRIPTION("PCI driver module for Serverworks OSB4/CSB5/CSB6 IDE"); MODULE_LICENSE("GPL"); |