ARM: SMP: provide accessors for irq_stat data

Provide __inc_irq_stat() and __get_irq_stat() to increment and
read the irq stat counters.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 522fb23241ac..923eaa1ba83b 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -14,6 +14,9 @@ typedef struct {
 
 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
 
+#define __inc_irq_stat(cpu, member)     __IRQ_STAT(cpu, member)++
+#define __get_irq_stat(cpu, member)     __IRQ_STAT(cpu, member)
+
 #if NR_IRQS > 512
 #define HARDIRQ_BITS    10
 #elif NR_IRQS > 256