Merge branch 'mlog_replace_for_39' of git://repo.or.cz/taoma-kernel into ocfs2-merge-window-fix

1 files changed, 11 insertions, 2 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0caa59f747dd..2782bacdf494 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -282,8 +282,17 @@ EXPORT_SYMBOL(disable_irq);
 
 void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume)
 {
-        if (resume)
+        if (resume) {
+                if (!(desc->status & IRQ_SUSPENDED)) {
+                        if (!desc->action)
+                                return;
+                        if (!(desc->action->flags & IRQF_FORCE_RESUME))
+                                return;
+                        /* Pretend that it got disabled ! */
+                        desc->depth++;
+                }
                 desc->status &= ~IRQ_SUSPENDED;
+        }
 
         switch (desc->depth) {
         case 0:
@@ -1100,7 +1109,7 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler,
         if (retval)
                 kfree(action);
 
-#ifdef CONFIG_DEBUG_SHIRQ
+#ifdef CONFIG_DEBUG_SHIRQ_FIXME
         if (!retval && (irqflags & IRQF_SHARED)) {
                 /*
                  * It's a shared IRQ -- the driver ought to be prepared for it