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Diffstat (limited to 'arch/mips/pci/ops-mace.c')
-rw-r--r--arch/mips/pci/ops-mace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/pci/ops-mace.c b/arch/mips/pci/ops-mace.c
index e95881897ec9..1cfb5588699f 100644
--- a/arch/mips/pci/ops-mace.c
+++ b/arch/mips/pci/ops-mace.c
@@ -61,6 +61,13 @@ mace_pci_read_config(struct pci_bus *bus, unsigned int devfn,
/* ack possible master abort */
mace->pci.error &= ~MACEPCI_ERROR_MASTER_ABORT;
mace->pci.control = control;
+ /*
+ * someone forgot to set the ultra bit for the onboard
+ * scsi chips; we fake it here
+ */
+ if (bus->number == 0 && reg == 0x40 && size == 4 &&
+ (devfn == (1 << 3) || devfn == (2 << 3)))
+ *val |= 0x1000;
DPRINTK("read%d: reg=%08x,val=%02x\n", size * 8, reg, *val);