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Diffstat (limited to 'arch/arm/mach-ebsa110/include/mach/system.h')
-rw-r--r--arch/arm/mach-ebsa110/include/mach/system.h21
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h
index 2e4af65edb6..b4601699b3b 100644
--- a/arch/arm/mach-ebsa110/include/mach/system.h
+++ b/arch/arm/mach-ebsa110/include/mach/system.h
@@ -10,28 +10,9 @@
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
-/*
- * EBSA110 idling methodology:
- *
- * We can not execute the "wait for interrupt" instruction since that
- * will stop our MCLK signal (which provides the clock for the glue
- * logic, and therefore the timer interrupt).
- *
- * Instead, we spin, polling the IRQ_STAT register for the occurrence
- * of any interrupt with core clock down to the memory clock.
- */
static inline void arch_idle(void)
{
- const char *irq_stat = (char *)0xff000000;
-
- /* disable clock switching */
- asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
-
- /* wait for an interrupt to occur */
- while (!*irq_stat);
-
- /* enable clock switching */
- asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
+ cpu_do_idle();
}
#endif