Commit 74a01180 authored by Roderick Colenbrander's avatar Roderick Colenbrander Committed by Linus Torvalds
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powerpc: Fix i8259 interrupt driver kernel crash on ML510



This patch fixes a null pointer exception caused by removal of
'ack()' for level interrupts in the Xilinx interrupt driver.  A recent
change to the xilinx interrupt controller removed the ack hook for
level irqs.
Signed-off-by: default avatarRoderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5136a6c0
......@@ -234,7 +234,6 @@ static void xilinx_i8259_cascade(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(cascade_irq);
/* Let xilinx_intc end the interrupt */
desc->chip->ack(irq);
desc->chip->unmask(irq);
}
......
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