MN10300: Delete idle_timestamp from irq_cpustat_t

Delete idle_timestamp from irq_cpustat_t as it's an unread relic.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>

2 files changed, 0 insertions, 3 deletions

diff --git a/arch/mn10300/include/asm/hardirq.h b/arch/mn10300/include/asm/hardirq.h
index 54d950117674..7bd9b7cc2451 100644
--- a/arch/mn10300/include/asm/hardirq.h
+++ b/arch/mn10300/include/asm/hardirq.h
@@ -19,7 +19,6 @@
 /* assembly code in softirq.h is sensitive to the offsets of these fields */
 typedef struct {
         unsigned int    __softirq_pending;
-        unsigned long   idle_timestamp;
         unsigned int    __nmi_count;    /* arch dependent */
         unsigned int    __irq_count;    /* arch dependent */
 } ____cacheline_aligned irq_cpustat_t;
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index f48373e2bc1c..243e33cd874b 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -88,8 +88,6 @@ void cpu_idle(void)
                         idle = pm_idle;
                         if (!idle)
                                 idle = default_idle;
-
-                        irq_stat[cpu].idle_timestamp = jiffies;
                         idle();
                 }