pata_hpt366: fix cable detection,

[linux-2.6-omap-h63xx.git] / drivers / ata / pata_hpt366.c

diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index a098ba8eaab6141ed52ec9e90666cbe0b8081cc3..4824821745a23d5efe4a4e6f8b8f23e1f88347be 100644 (file)
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -211,11 +211,15 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)
 
 static int hpt36x_cable_detect(struct ata_port *ap)
 {
-       u8 ata66;
        struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+       u8 ata66;
 
+       /*
+        * Each channel of pata_hpt366 occupies separate PCI function
+        * as the primary channel and bit1 indicates the cable type.
+        */
        pci_read_config_byte(pdev, 0x5A, &ata66);
-       if (ata66 & (1 << ap->port_no))
+       if (ata66 & 2)
                return ATA_CBL_PATA40;
        return ATA_CBL_PATA80;
 }