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authorRoderick Colenbrander <[email protected]>2009-09-03 09:57:23 -0600
committerLinus Torvalds <[email protected]>2009-09-05 14:58:07 -0700
commit74a01180db4bbfd61304ae0ba1f60af55ffc803d (patch)
tree2f61aac8deb306a164f04a7d2753fbd723c906fc
parent5136a6c0fd5b26bbf39ad761cf7a4fc563ad83a3 (diff)
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: Roderick Colenbrander <[email protected]> Signed-off-by: Grant Likely <[email protected]> Acked-by: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--arch/powerpc/sysdev/xilinx_intc.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c
index 3ee1fd37bbfc..40edad520770 100644
--- a/arch/powerpc/sysdev/xilinx_intc.c
+++ b/arch/powerpc/sysdev/xilinx_intc.c
@@ -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);
}