[MIPS] IP27: Don't destroy interrupt routing information on shutdown irq.

This fixes the "not syncing: Could not identify cpu/level ..." panic
when a PCI irq is requested the second time.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 597ec73359b7..52dad1be6265 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -296,7 +296,6 @@ static void shutdown_bridge_irq(unsigned int irq)
         struct bridge_controller *bc = IRQ_TO_BRIDGE(irq);
         struct hub_data *hub = hub_data(cpu_to_node(bc->irq_cpu));
         bridge_t *bridge = bc->base;
-        struct slice_data *si = cpu_data[bc->irq_cpu].data;
         int pin, swlevel;
         cpuid_t cpu;
 
@@ -311,7 +310,6 @@ static void shutdown_bridge_irq(unsigned int irq)
         intr_disconnect_level(cpu, swlevel);
 
         __clear_bit(swlevel, hub->irq_alloc_mask);
-        si->level_to_irq[swlevel] = -1;
 
         bridge->b_int_enable &= ~(1 << pin);
         bridge->b_wid_tflush;