linux-openmoko: Break immediate suspend on resume cycle

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3839 311d38ba-8fff-0310-9ca6-ca027cbcb966

1 files changed, 34 insertions, 0 deletions

diff --git a/meta/packages/linux/linux-openmoko/break_suspend_cycle.patch b/meta/packages/linux/linux-openmoko/break_suspend_cycle.patch
new file mode 100644
index 0000000000..2a721481d0
--- /dev/null
+++ b/meta/packages/linux/linux-openmoko/break_suspend_cycle.patch
@@ -0,0 +1,34 @@
+Index: linux-2.6.21/drivers/char/apm-emulation.c
+===================================================================
+--- linux-2.6.21.orig/drivers/char/apm-emulation.c      2008-02-21 00:32:41.000000000 +0000
++++ linux-2.6.21/drivers/char/apm-emulation.c   2008-02-21 00:33:43.000000000 +0000
+@@ -206,10 +206,18 @@
+        return ret;
+ }
+ 
++static in_suspend;
++
+ static void apm_suspend(void)
+ {
+        struct apm_user *as;
+-       int err = pm_suspend(PM_SUSPEND_MEM);
++       int err;
++
++       in_suspend = 1;
++
++       err = pm_suspend(PM_SUSPEND_MEM);
++
++       in_suspend = 0;
+ 
+        /*
+         * Anyone on the APM queues will think we're still suspended.
+@@ -663,6 +671,9 @@
+ {
+        unsigned long flags;
+ 
++       if (in_suspend)
++               return;
++
+        spin_lock_irqsave(&kapmd_queue_lock, flags);
+        queue_add_event(&kapmd_queue, event);
+        spin_unlock_irqrestore(&kapmd_queue_lock, flags);