From e708eb9bc0515f36d77477877e74b6b9056b5879 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Thu, 26 Jul 2007 18:37:28 +0100 Subject: [PATCH] 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 Signed-off-by: Jeff Garzik --- drivers/ata/pata_amd.c | 3 +++ 1 file changed, 3 insertions(+) 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; }