Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

[pandora-kernel.git] / arch / arm / mach-at91 / include / mach / system.h

diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h
index c80e090..36af14b 100644 (file)
--- a/arch/arm/mach-at91/include/mach/system.h
+++ b/arch/arm/mach-at91/include/mach/system.h
@@ -28,17 +28,20 @@
 
 static inline void arch_idle(void)
 {
-#ifndef CONFIG_DEBUG_KERNEL
        /*
         * Disable the processor clock.  The processor will be automatically
         * re-enabled by an interrupt or by a reset.
         */
-       at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+#ifdef AT91_PS
+       at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
 #else
+       at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+#endif
+#ifndef CONFIG_CPU_ARM920T
        /*
         * Set the processor (CP15) into 'Wait for Interrupt' mode.
-        * Unlike disabling the processor clock via the PMC (above)
-        *  this allows the processor to be woken via JTAG.
+        * Post-RM9200 processors need this in conjunction with the above
+        * to save power when idle.
         */
        cpu_do_idle();
 #endif