diff options
Diffstat (limited to 'drivers/ata/pata_via.c')
| -rw-r--r-- | drivers/ata/pata_via.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index e4c71f76bd5..708dfc0c716 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -60,6 +60,7 @@ #include <linux/delay.h> #include <scsi/scsi_host.h> #include <linux/libata.h> +#include <linux/dmi.h> #define DRV_NAME "pata_via" #define DRV_VERSION "0.3.1" @@ -122,6 +123,31 @@ static const struct via_isa_bridge { { NULL } }; + +/* + * Cable special cases + */ + +static struct dmi_system_id cable_dmi_table[] = { + { + .ident = "Acer Ferrari 3400", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."), + DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"), + }, + }, + { } +}; + +static int via_cable_override(struct pci_dev *pdev) +{ + /* Systems by DMI */ + if (dmi_check_system(cable_dmi_table)) + return 1; + return 0; +} + + /** * via_cable_detect - cable detection * @ap: ATA port @@ -139,6 +165,9 @@ static int via_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 ata66; + if (via_cable_override(pdev)) + return ATA_CBL_PATA40_SHORT; + /* Early chips are 40 wire */ if ((config->flags & VIA_UDMA) < VIA_UDMA_66) return ATA_CBL_PATA40; |