[PATCH] FRV: Use asm/generic-hardirq.h

From: David Howells
Date: Wed Sep 23 2009 - 05:05:18 EST


From: Christoph Hellwig <hch@xxxxxx>

Use asm/generic-hardirq.h to build asm/hardirq.h and also remove the unused
idle_timestamp field in irq_cpustat whilst we're at it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

arch/frv/include/asm/hardirq.h | 17 ++++-------------
arch/frv/kernel/process.c | 4 ----
2 files changed, 4 insertions(+), 17 deletions(-)


diff --git a/arch/frv/include/asm/hardirq.h b/arch/frv/include/asm/hardirq.h
index fc47515..5fc8b6f 100644
--- a/arch/frv/include/asm/hardirq.h
+++ b/arch/frv/include/asm/hardirq.h
@@ -12,24 +12,15 @@
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H

-#include <linux/threads.h>
-#include <linux/irq.h>
-
-typedef struct {
- unsigned int __softirq_pending;
- unsigned long idle_timestamp;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
-
-#ifdef CONFIG_SMP
-#error SMP not available on FR-V
-#endif /* CONFIG_SMP */
+#include <asm/atomic.h>

extern atomic_t irq_err_count;
static inline void ack_bad_irq(int irq)
{
atomic_inc(&irq_err_count);
}
+#define ack_bad_irq ack_bad_irq
+
+#include <asm-generic/hardirq.h>

#endif
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 0de50df..9042559 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -83,13 +83,9 @@ void (*idle)(void) = core_sleep_idle;
*/
void cpu_idle(void)
{
- int cpu = smp_processor_id();
-
/* endless idle loop with no priority at all */
while (1) {
while (!need_resched()) {
- irq_stat[cpu].idle_timestamp = jiffies;
-
check_pgt_cache();

if (!frv_dma_inprogress && idle)

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