genirq: export handle_edge_irq() and irq_to_desc()

Export handle_edge_irq() and irq_to_desc() to modules to allow them to do things such as __irq_set_handler_locked(...., handle_edge_irq); This fixes ERROR: "handle_edge_irq" [drivers/gpio/gpio-pch.ko] undefined! ERROR: "irq_to_desc" [drivers/gpio/gpio-pch.ko] undefined! when gpio-pch is being built as a module. This was introduced by commit df9541a ("gpio: pch9: Use proper flow type handlers") that added __irq_set_handler_locked(d->irq, handle_edge_irq); but handle_edge_irq() was not exported for modules (and inlined __irq_set_handler_locked() requires irq_to_desc() exported as well) Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
torvalds · May 15, 2012 · 3911ff3 · 3911ff3
1 parent b6255ee
commit 3911ff3
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diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
@@ -518,6 +518,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 out_unlock:
 	raw_spin_unlock(&desc->lock);
 }
+EXPORT_SYMBOL(handle_edge_irq);
 
 #ifdef CONFIG_IRQ_EDGE_EOI_HANDLER
 /**

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
@@ -112,6 +112,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	return radix_tree_lookup(&irq_desc_tree, irq);
 }
+EXPORT_SYMBOL(irq_to_desc);
 
 static void delete_irq_desc(unsigned int irq)
 {
-Original file line number
+Diff line change
@@ Expand Up / @@ -112,6 +112,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) @@
     {
     	return radix_tree_lookup(&irq_desc_tree, irq);
     }
+    EXPORT_SYMBOL(irq_to_desc);
     static void delete_irq_desc(unsigned int irq)
     {
@@ Expand Down @@