[PARISC] irq_affinityp[] only available for SMP builds

irq_affinityp[] only available for SMP builds, make code that uses
it conditional on CONFIG_SMP.

Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 9 insertions, 2 deletions

diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 2626405e70c..144fc25b387 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -261,13 +261,17 @@ int txn_alloc_irq(unsigned int bits_wide)
         return -1;
 }
 
+
 unsigned long txn_affinity_addr(unsigned int irq, int cpu)
 {
+#ifdef CONFIG_SMP
         irq_affinity[irq] = cpumask_of_cpu(cpu);
+#endif
 
         return cpu_data[cpu].txn_addr;
 }
 
+
 unsigned long txn_alloc_addr(unsigned int virt_irq)
 {
         static int next_cpu = -1;
@@ -321,14 +325,16 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 
                 /* Work our way from MSb to LSb...same order we alloc EIRs */
                 for (irq = TIMER_IRQ; eirr_val && bit; bit>>=1, irq++) {
+#ifdef CONFIG_SMP
                         cpumask_t dest = irq_affinity[irq];
-
+#endif
                         if (!(bit & eirr_val))
                                 continue;
 
                         /* clear bit in mask - can exit loop sooner */
                         eirr_val &= ~bit;
 
+#ifdef CONFIG_SMP
                         /* FIXME: because generic set affinity mucks
                          * with the affinity before sending it to us
                          * we can get the situation where the affinity is
@@ -337,12 +343,13 @@ void do_cpu_irq_mask(struct pt_regs *regs)
                             !cpu_isset(smp_processor_id(), dest)) {
                                 int cpu = first_cpu(dest);
 
-                                printk("rethrowing irq %d from %d to %d\n",
+                                printk("redirecting irq %d from CPU %d to %d\n",
                                        irq, smp_processor_id(), cpu);
                                 gsc_writel(irq + CPU_IRQ_BASE,
                                            cpu_data[cpu].hpa);
                                 continue;
                         }
+#endif
 
                         __do_IRQ(irq, regs);
                 }