Fix the initialisation of older Quatech serial cards which are fitted with
the AMCC PCI Matchmaker interface chip.
Signed-off-by: Jonathan Woithe (jwoithe@xxxxxxxxxx)
---
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index c810da7..710f6d7 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1260,10 +1260,10 @@ static int pci_quatech_init(struct pci_dev *dev)
unsigned long base = pci_resource_start(dev, 0);
if (base) {
u32 tmp;
- outl(inl(base + 0x38), base + 0x38);
+ outl(inl(base + 0x38) | 0x00002000, base + 0x38);
tmp = inl(base + 0x3c);
outl(tmp | 0x01000000, base + 0x3c);
- outl(tmp, base + 0x3c);
+ outl(tmp &= ~0x01000000, base + 0x3c);
}
}
return 0;
--
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