diff options
Diffstat (limited to 'drivers/ata/pata_sis.c')
| -rw-r--r-- | drivers/ata/pata_sis.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 2b4508206a6..9a829a7cbc6 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -149,6 +149,9 @@ static int sis_pre_reset(struct ata_port *ap, unsigned long deadline) if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) return -ENOENT; + /* Clear the FIFO settings. We can't enable the FIFO until + we know we are poking at a disk */ + pci_write_config_byte(pdev, 0x4B, 0); return ata_std_prereset(ap, deadline); } @@ -928,9 +931,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (host != NULL) { chipset = sets; /* Match found */ if (sets->device == 0x630) { /* SIS630 */ - u8 host_rev; - pci_read_config_byte(host, PCI_REVISION_ID, &host_rev); - if (host_rev >= 0x30) /* 630 ET */ + if (host->revision >= 0x30) /* 630 ET */ chipset = &sis100_early; } break; @@ -974,7 +975,6 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) u16 trueid; u8 prefctl; u8 idecfg; - u8 sbrev; /* Try the second unmasking technique */ pci_read_config_byte(pdev, 0x4a, &idecfg); @@ -987,11 +987,10 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) lpc_bridge = pci_get_slot(pdev->bus, 0x10); /* Bus 0 Dev 2 Fn 0 */ if (lpc_bridge == NULL) break; - pci_read_config_byte(lpc_bridge, PCI_REVISION_ID, &sbrev); pci_read_config_byte(pdev, 0x49, &prefctl); pci_dev_put(lpc_bridge); - if (sbrev == 0x10 && (prefctl & 0x80)) { + if (lpc_bridge->revision == 0x10 && (prefctl & 0x80)) { chipset = &sis133_early; break; } |