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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2007-07-26 19:37:28 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-10-12 20:55:34 +0200 |
| commit | e708eb9bc0515f36d77477877e74b6b9056b5879 (patch) | |
| tree | 04fddbab3eb45a5067d6c4ae603b9a6841236d52 | |
| parent | [libata] add ACPI cable detect API (diff) | |
| download | linux-e708eb9bc0515f36d77477877e74b6b9056b5879.tar.xz linux-e708eb9bc0515f36d77477877e74b6b9056b5879.zip | |
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: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/ata/pata_amd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 46f829c838b3..c95922f8cc5e 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -270,6 +270,9 @@ static int nv_cable_detect(struct ata_port *ap) pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma); if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400) 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; } |