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-rw-r--r--recipes/linux/linux-rt-2.6.24/leds-cpu-activity-powerpc.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/recipes/linux/linux-rt-2.6.24/leds-cpu-activity-powerpc.patch b/recipes/linux/linux-rt-2.6.24/leds-cpu-activity-powerpc.patch
new file mode 100644
index 0000000000..d8b4d2d017
--- /dev/null
+++ b/recipes/linux/linux-rt-2.6.24/leds-cpu-activity-powerpc.patch
@@ -0,0 +1,44 @@
+Index: linux-2.6.24.3/arch/powerpc/kernel/idle.c
+===================================================================
+--- linux-2.6.24.3.orig/arch/powerpc/kernel/idle.c 2008-02-29 14:49:40.000000000 +0100
++++ linux-2.6.24.3/arch/powerpc/kernel/idle.c 2008-02-29 16:29:23.000000000 +0100
+@@ -19,6 +19,7 @@
+ * 2 of the License, or (at your option) any later version.
+ */
+
++#include <linux/leds.h>
+ #include <linux/sched.h>
+ #include <linux/kernel.h>
+ #include <linux/smp.h>
+@@ -51,6 +52,12 @@
+ __setup("powersave=off", powersave_off);
+
+ /*
++ * CPU activity indicator.
++ */
++void (*leds_idle)(int is_idle);
++EXPORT_SYMBOL(leds_idle);
++
++/*
+ * The body of the idle task.
+ */
+ void cpu_idle(void)
+@@ -64,7 +71,8 @@
+ while (!need_resched() && !need_resched_delayed() &&
+ !cpu_should_die()) {
+ ppc64_runlatch_off();
+-
++ if (leds_idle)
++ leds_idle(1);
+ if (ppc_md.power_save) {
+ clear_thread_flag(TIF_POLLING_NRFLAG);
+ /*
+@@ -99,6 +107,8 @@
+ if (cpu_should_die())
+ cpu_die();
+ __preempt_enable_no_resched();
++ if (leds_idle)
++ leds_idle(0);
+ schedule();
+ preempt_disable();
+ }