genirq: Remove real old transition functions

[linux-block.git] / kernel / irq / chip.c

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 2b0f9192a830135d4636c960607388a3459b5eba..c19c0b562c8082a395b720ae6abcd0701b9f7a76 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -644,19 +644,11 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
                return;
        }
 
-       if (!handle)
+       if (!handle) {
                handle = handle_bad_irq;
-       else if (desc->irq_data.chip == &no_irq_chip) {
-               printk(KERN_WARNING "Trying to install %sinterrupt handler "
-                      "for IRQ%d\n", is_chained ? "chained " : "", irq);
-               /*
-                * Some ARM implementations install a handler for really dumb
-                * interrupt hardware without setting an irq_chip. This worked
-                * with the ARM no_irq_chip but the check in setup_irq would
-                * prevent us to setup the interrupt at all. Switch it to
-                * dummy_irq_chip for easy transition.
-                */
-               desc->irq_data.chip = &dummy_irq_chip;
+       } else {
+               if (WARN_ON(desc->irq_data.chip == &no_irq_chip))
+                       return;
        }
 
        chip_bus_lock(desc);