From 24ac26d425c96659b12cf16de7cbfe3bcbd73f05 Mon Sep 17 00:00:00 2001 From: "David S. Miller" <davem@davemloft.net> Date: Thu, 29 Jun 2006 14:38:21 -0700 Subject: [PATCH] [SPARC64]: Let irq_install_pre_handler() get called multiple times. Signed-off-by: David S. Miller <davem@davemloft.net> --- arch/sparc64/kernel/irq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index ab9e640df22..eebe02f3f4c 100644 --- 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); } -- 2.41.3