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, 0 insertions, 2 deletions

diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index b83fcc81faed..03dc28cdb4da 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -17,8 +17,6 @@
 #include <asm/atomic.h>
 
 
-#define get_irq_desc(irq) (&irq_desc[(irq)])
-
 /* Define a way to iterate across irqs. */
 #define for_each_irq(i) \
         for ((i) = 0; (i) < NR_IRQS; ++(i))