piix: fix 82371MX enablebits

[deliverable/linux.git] / drivers / ide / pci / piix.c

diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index edb37f3d558d7c99194ba2f0cd72d5b63d553851..236d8fd4e72bbc44a86d672735eeabe8424f7af1 100644 (file)
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -539,13 +539,19 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
        /*  0 */ DECLARE_PIIX_DEV("PIIXa"),
        /*  1 */ DECLARE_PIIX_DEV("PIIXb"),
 
-       {       /* 2 */
+       /*  2 */
+       {       /*
+                * MPIIX actually has only a single IDE channel mapped to
+                * the primary or secondary ports depending on the value
+                * of the bit 14 of the IDETIM register at offset 0x6c
+                */
                .name           = "MPIIX",
                .init_hwif      = init_hwif_piix,
                .channels       = 2,
                .autodma        = NODMA,
-               .enablebits     = {{0x6D,0x80,0x80}, {0x6F,0x80,0x80}},
+               .enablebits     = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
                .bootable       = ON_BOARD,
+               .flags          = IDEPCI_FLAG_ISA_PORTS
        },
 
        /*  3 */ DECLARE_PIIX_DEV("PIIX3"),