提交 e234b4a8 编写于 作者: L Linus Torvalds

Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Ingo Molnar:
 "A timer_irq_init() clocksource API robustness fix"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/timer-of: Handle of_irq_get_byname() result correctly
......@@ -41,8 +41,16 @@ static __init int timer_irq_init(struct device_node *np,
struct timer_of *to = container_of(of_irq, struct timer_of, of_irq);
struct clock_event_device *clkevt = &to->clkevt;
of_irq->irq = of_irq->name ? of_irq_get_byname(np, of_irq->name):
irq_of_parse_and_map(np, of_irq->index);
if (of_irq->name) {
of_irq->irq = ret = of_irq_get_byname(np, of_irq->name);
if (ret < 0) {
pr_err("Failed to get interrupt %s for %s\n",
of_irq->name, np->full_name);
return ret;
}
} else {
of_irq->irq = irq_of_parse_and_map(np, of_irq->index);
}
if (!of_irq->irq) {
pr_err("Failed to map interrupt for %s\n", np->full_name);
return -EINVAL;
......
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