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FRV: Use asm/generic-hardirq.h
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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Christoph Hellwig authored and torvalds committed Sep 23, 2009
1 parent d19110b commit a707709
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Showing 2 changed files with 4 additions and 17 deletions.
17 changes: 4 additions & 13 deletions arch/frv/include/asm/hardirq.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
4 changes: 0 additions & 4 deletions arch/frv/kernel/process.c
Original file line number Diff line number Diff line change
Expand Up @@ -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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