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/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index d212006a5b3c..484d21e55c61 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -152,12 +152,12 @@ static unsigned int pmac_startup_irq(unsigned int virq)
         unsigned long bit = 1UL << (src & 0x1f);
         int i = src >> 5;
 
-        spin_lock_irqsave(&pmac_pic_lock, flags);
-        if ((irq_desc[virq].status & IRQ_LEVEL) == 0)
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        if ((irq_to_desc(virq)->status & IRQ_LEVEL) == 0)
                 out_le32(&pmac_irq_hw[i]->ack, bit);
         __set_bit(src, ppc_cached_irq_mask);
         __pmac_set_irq_mask(src, 0);
-        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
 
         return 0;
 }
@@ -285,7 +285,7 @@ static int pmac_pic_host_match(struct irq_host *h, struct device_node *node)
 static int pmac_pic_host_map(struct irq_host *h, unsigned int virq,
                              irq_hw_number_t hw)
 {
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         int level;
 
         if (hw >= max_irqs)