[POWERPC] windfarm: don't die on suspend thread signal
When the windfarm thread gets a suspend signal it will die instead of
freezing. This fixes it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index e947af9..94c117e 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -94,8 +94,6 @@
DBG("wf: thread started\n");
while(!kthread_should_stop()) {
- try_to_freeze();
-
if (time_after_eq(jiffies, next)) {
wf_notify(WF_EVENT_TICK, NULL);
if (wf_overtemp) {
@@ -118,8 +116,8 @@
if (delay <= HZ)
schedule_timeout_interruptible(delay);
- /* there should be no signal, but oh well */
- if (signal_pending(current)) {
+ /* there should be no non-suspend signal, but oh well */
+ if (signal_pending(current) && !try_to_freeze()) {
printk(KERN_WARNING "windfarm: thread got sigl !\n");
break;
}