[Blackfin] arch: Cleanup abd Simplify:

 - Simplify init_arch_irq
 - Make code more readable
 - Remove useless SSYNCs
 - Fix comments

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-blackfin/irq.h b/include/asm-blackfin/irq.h
index 65480dab244e..86b67834354d 100644
--- a/include/asm-blackfin/irq.h
+++ b/include/asm-blackfin/irq.h
@@ -67,4 +67,6 @@ static __inline__ int irq_canonicalize(int irq)
 #define NO_IRQ ((unsigned int)(-1))
 #endif
 
+#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
+
 #endif                          /* _BFIN_IRQ_H_ */