diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 40 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 9 | ||||
| -rw-r--r-- | drivers/ata/sata_via.c | 1 |
3 files changed, 41 insertions, 9 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a06f5d6375a..a3241a1a710 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -2718,6 +2718,30 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) }, .driver_data = "20071026", /* yyyymmdd */ }, + /* + * All BIOS versions for the MSI K9A2 Platinum (MS-7376) + * support 64bit DMA. + * + * BIOS versions earlier than 1.5 had the Manufacturer DMI + * fields as "MICRO-STAR INTERANTIONAL CO.,LTD". + * This spelling mistake was fixed in BIOS version 1.5, so + * 1.5 and later have the Manufacturer as + * "MICRO-STAR INTERNATIONAL CO.,LTD". + * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER". + * + * BIOS versions earlier than 1.9 had a Board Product Name + * DMI field of "MS-7376". This was changed to be + * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still + * match on DMI_BOARD_NAME of "MS-7376". + */ + { + .ident = "MSI K9A2 Platinum", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "MICRO-STAR INTER"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), + }, + }, { } }; const struct dmi_system_id *match; @@ -2729,18 +2753,24 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) !match) return false; + if (!match->driver_data) + goto enable_64bit; + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); - if (strcmp(buf, match->driver_data) >= 0) { - dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n", - match->ident); - return true; - } else { + if (strcmp(buf, match->driver_data) >= 0) + goto enable_64bit; + else { dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, " "forcing 32bit DMA, update BIOS\n", match->ident); return false; } + +enable_64bit: + dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n", + match->ident); + return true; } static bool ahci_broken_system_poweroff(struct pci_dev *pdev) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d7f0f1b1ae3..dc72690ed5d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4919,10 +4919,11 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev) */ void ata_qc_free(struct ata_queued_cmd *qc) { - struct ata_port *ap = qc->ap; + struct ata_port *ap; unsigned int tag; WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ + ap = qc->ap; qc->flags = 0; tag = qc->tag; @@ -4934,11 +4935,13 @@ void ata_qc_free(struct ata_queued_cmd *qc) void __ata_qc_complete(struct ata_queued_cmd *qc) { - struct ata_port *ap = qc->ap; - struct ata_link *link = qc->dev->link; + struct ata_port *ap; + struct ata_link *link; WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); + ap = qc->ap; + link = qc->dev->link; if (likely(qc->flags & ATA_QCFLAG_DMAMAP)) ata_sg_clean(qc); diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index bdd43c7f432..02efd9a83d2 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -93,7 +93,6 @@ static const struct pci_device_id svia_pci_tbl[] = { { PCI_VDEVICE(VIA, 0x7372), vt6420 }, { PCI_VDEVICE(VIA, 0x5287), vt8251 }, /* 2 sata chnls (Master/Slave) */ { PCI_VDEVICE(VIA, 0x9000), vt8251 }, - { PCI_VDEVICE(VIA, 0x9040), vt8251 }, { } /* terminate list */ }; |