[PATCH] mips: qemu network work again

[Kyungmin Park]

After kernel 2.6.21, the qemu of mips with nfsroot is not working.
There are too much WATCHDOG timeout.
I try to find what makes it not working and I found it.
After Ingo Monlar's patch "[PATCH] genirq: do not mask interrupts by default" [1], it's not working.
To solve this, we also have to register the IRQ disable field in MIPS, as x86 does.

1. http://www.uwsg.iu.edu/hypermail/linux/kernel/0701.3/1892.html

Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>

--
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 2345160..b6c3080 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -36,6 +36,7 @@ void mask_and_ack_8259A(unsigned int);
 static struct irq_chip i8259A_chip = {
        .name           = "XT-PIC",
        .mask           = disable_8259A_irq,
+       .disable        = disable_8259A_irq,
        .unmask         = enable_8259A_irq,
        .mask_ack       = mask_and_ack_8259A,
 };

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