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[SPARC64]: Let irq_install_pre_handler() get called multiple times.
author
David S. Miller
<davem@davemloft.net>
Thu, 29 Jun 2006 21:38:21 +0000
(14:38 -0700)
committer
David S. Miller
<davem@sunset.davemloft.net>
Thu, 29 Jun 2006 23:37:27 +0000
(16:37 -0700)
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc64/kernel/irq.c
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diff --git
a/arch/sparc64/kernel/irq.c
b/arch/sparc64/kernel/irq.c
index
ab9e640
..
eebe02f
100644
(file)
--- a/
arch/sparc64/kernel/irq.c
+++ b/
arch/sparc64/kernel/irq.c
@@
-414,6
+414,10
@@
void irq_install_pre_handler(int virt_irq,
data->pre_handler_arg1 = arg1;
data->pre_handler_arg2 = arg2;
+ if (desc->chip == &sun4u_irq_ack ||
+ desc->chip == &sun4v_irq_ack)
+ return;
+
desc->chip = (desc->chip == &sun4u_irq ?
&sun4u_irq_ack : &sun4v_irq_ack);
}