ARC: More code beautification with IS_ENABLED()

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index 8115fa5..d1ef412 100644 (file)
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -38,15 +38,9 @@ void __cpuinit arc_init_IRQ(void)
        write_aux_reg(AUX_IENABLE, 0);
 
        /* setup any high priority Interrupts (Level2 in ARCompact jargon) */
-#ifdef CONFIG_ARC_IRQ3_LV2
-       level_mask |= (1 << 3);
-#endif
-#ifdef CONFIG_ARC_IRQ5_LV2
-       level_mask |= (1 << 5);
-#endif
-#ifdef CONFIG_ARC_IRQ6_LV2
-       level_mask |= (1 << 6);
-#endif
+       level_mask |= IS_ENABLED(CONFIG_ARC_IRQ3_LV2) << 3;
+       level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5;
+       level_mask |= IS_ENABLED(CONFIG_ARC_IRQ6_LV2) << 6;
 
        if (level_mask) {
                pr_info("Level-2 interrupts bitset %x\n", level_mask);