diff options
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 2b0f9192a83..c19c0b562c8 100644 --- 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); |