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-rw-r--r--drivers/ide/pci/piix.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index edb37f3d558d..236d8fd4e72b 100644
--- 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 = {
539 /* 0 */ DECLARE_PIIX_DEV("PIIXa"), 539 /* 0 */ DECLARE_PIIX_DEV("PIIXa"),
540 /* 1 */ DECLARE_PIIX_DEV("PIIXb"), 540 /* 1 */ DECLARE_PIIX_DEV("PIIXb"),
541 541
542 { /* 2 */ 542 /* 2 */
543 { /*
544 * MPIIX actually has only a single IDE channel mapped to
545 * the primary or secondary ports depending on the value
546 * of the bit 14 of the IDETIM register at offset 0x6c
547 */
543 .name = "MPIIX", 548 .name = "MPIIX",
544 .init_hwif = init_hwif_piix, 549 .init_hwif = init_hwif_piix,
545 .channels = 2, 550 .channels = 2,
546 .autodma = NODMA, 551 .autodma = NODMA,
547 .enablebits = {{0x6D,0x80,0x80}, {0x6F,0x80,0x80}}, 552 .enablebits = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
548 .bootable = ON_BOARD, 553 .bootable = ON_BOARD,
554 .flags = IDEPCI_FLAG_ISA_PORTS
549 }, 555 },
550 556
551 /* 3 */ DECLARE_PIIX_DEV("PIIX3"), 557 /* 3 */ DECLARE_PIIX_DEV("PIIX3"),