[PATCH] pata_hpt366 enablebits
More enablebits
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index c0e150a9..c15c8dc 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 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;