diff options
Diffstat (limited to 'arch/sparc64')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 4 |
1 files changed, 4 insertions, 0 deletions
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); } |