Commit e708eb9b authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik

libata pata_amd: ACPI checks for 80wire cable

We can make use of this on the pata_amd driver as many Nvidia devices
don't have reliable cable detect.
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent e1ddb4b6
...@@ -270,6 +270,9 @@ static int nv_cable_detect(struct ata_port *ap) ...@@ -270,6 +270,9 @@ static int nv_cable_detect(struct ata_port *ap)
pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma); pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400) if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
cbl = ATA_CBL_PATA80; cbl = ATA_CBL_PATA80;
/* And a triple check across suspend/resume with ACPI around */
if (ata_acpi_cbl_80wire(ap))
cbl = ATA_CBL_PATA80;
return cbl; return cbl;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment