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Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 90877565caa..1051702c8d4 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -168,7 +168,7 @@ static void __devinit quirk_uli1575(struct pci_dev *dev)
{
unsigned short temp;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
- unsigned char irq2pin[16];
+ unsigned char irq2pin[16], c;
unsigned long pirq_map_word = 0;
u32 irq;
int i;
@@ -288,6 +288,11 @@ static void __devinit quirk_uli1575(struct pci_dev *dev)
outb(0x1e, 0x4d1);
#undef ULI1575_SET_DEV_IRQ
+
+ /* Disable the HD interface and enable the AC97 interface. */
+ pci_read_config_byte(dev, 0xb8, &c);
+ c &= 0x7f;
+ pci_write_config_byte(dev, 0xb8, c);
}
static void __devinit quirk_uli5288(struct pci_dev *dev)