[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>

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 597ec73..52dad1b 100644 (file)
--- 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;