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Diffstat (limited to 'include/linux/sh_intc.h')
-rw-r--r--include/linux/sh_intc.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index c255273b0281..27ae79191bdc 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -13,9 +13,9 @@
/*
* Convert back and forth between INTEVT and IRQ values.
*/
-#ifdef CONFIG_CPU_HAS_INTEVT
-#define evt2irq(evt) (((evt) >> 5) - 16)
-#define irq2evt(irq) (((irq) + 16) << 5)
+#ifdef CONFIG_CPU_HAS_INTEVT /* Avoid IRQ0 (invalid for platform devices) */
+#define evt2irq(evt) ((evt) >> 5)
+#define irq2evt(irq) ((irq) << 5)
#else
#define evt2irq(evt) (evt)
#define irq2evt(irq) (irq)
@@ -97,7 +97,10 @@ struct intc_hw_desc {
unsigned int nr_subgroups;
};
-#define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a)
+#define _INTC_SIZEOF_OR_ZERO(a) (_Generic(a, \
+ typeof(NULL): 0, \
+ default: sizeof(a)))
+#define _INTC_ARRAY(a) a, _INTC_SIZEOF_OR_ZERO(a)/sizeof(*a)
#define INTC_HW_DESC(vectors, groups, mask_regs, \
prio_regs, sense_regs, ack_regs) \