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, 2 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 4e5655624ae8..9dd63c5d11a8 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -102,7 +102,7 @@ static void spider_ack_irq(unsigned int virq)
 
         /* Reset edge detection logic if necessary
          */
-        if (get_irq_desc(virq)->status & IRQ_LEVEL)
+        if (irq_to_desc(virq)->status & IRQ_LEVEL)
                 return;
 
         /* Only interrupts 47 to 50 can be set to edge */
@@ -119,7 +119,7 @@ static int spider_set_irq_type(unsigned int virq, unsigned int type)
         struct spider_pic *pic = spider_virq_to_pic(virq);
         unsigned int hw = irq_map[virq].hwirq;
         void __iomem *cfg = spider_get_irq_config(pic, hw);
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         u32 old_mask;
         u32 ic;