[PATCH] pata_hpt366 enablebits

More enablebits

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index c0e150a9586b..c15c8dc3a6db 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -27,7 +27,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt366"
-#define DRV_VERSION     "0.5"
+#define DRV_VERSION     "0.5.1"
 
 struct hpt_clock {
         u8      xfer_speed;
@@ -222,9 +222,17 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)
 
 static int hpt36x_pre_reset(struct ata_port *ap)
 {
+        static const struct pci_bits hpt36x_enable_bits[] = {
+                { 0x50, 1, 0x04, 0x04 },
+                { 0x54, 1, 0x04, 0x04 }
+        };
+
         u8 ata66;
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 
+        if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no]))
+                return -ENOENT;
+                
         pci_read_config_byte(pdev, 0x5A, &ata66);
         if (ata66 & (1 << ap->port_no))
                 ap->cbl = ATA_CBL_PATA40;