On 07/04/2013 01:57 AM, Wei Ni wrote: > Add support to handle irq. When the temperature touch > the limit value, the driver can handle the interrupt. > + if (client->irq >= 0) { 0 isn't a valid IRQ, so you can write that as simply if (client->irq). -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html