powerpc: Remove get_irq_desc()

get_irq_desc() is a powerpc-specific version of irq_to_desc(). That
is reason enough to remove it, but it also doesn't know about sparse
irq_desc support which irq_to_desc() does (when we enable it).

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 419f8a637ffe..75935ae1a941 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -156,7 +156,7 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check)
         cpumask_t cpumask;
         cpumask_t tmp = CPU_MASK_NONE;
 
-        cpumask_copy(&cpumask, irq_desc[virq].affinity);
+        cpumask_copy(&cpumask, irq_to_desc(virq)->affinity);
         if (!distribute_irqs)
                 return default_server;
 
@@ -419,7 +419,7 @@ static int xics_host_map(struct irq_host *h, unsigned int virq,
         /* Insert the interrupt mapping into the radix tree for fast lookup */
         irq_radix_revmap_insert(xics_host, virq, hw);
 
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
         set_irq_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq);
         return 0;
 }
@@ -843,7 +843,7 @@ void xics_migrate_irqs_away(void)
                 /* We need to get IPIs still. */
                 if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
                         continue;
-                desc = get_irq_desc(virq);
+                desc = irq_to_desc(virq);
 
                 /* We only need to migrate enabled IRQS */
                 if (desc == NULL || desc->chip == NULL
@@ -872,7 +872,7 @@ void xics_migrate_irqs_away(void)
                        virq, cpu);
 
                 /* Reset affinity to all cpus */
-                cpumask_setall(irq_desc[virq].affinity);
+                cpumask_setall(irq_to_desc(virq)->affinity);
                 desc->chip->set_affinity(virq, cpu_all_mask);
 unlock:
                 spin_unlock_irqrestore(&desc->lock, flags);