On Thu, Aug 09, 2012 at 11:48:42AM +0000, Arnd Bergmann wrote: > On Thursday 09 August 2012, Wei Ni wrote:
> > The wlan driver wish this flags include the IRQF_TRGGER_* information, > > and it will use this flags to configure other hw settings. If it is > > wrong, the wlan can't work. You can read the configuration with irqd_get_trigger_type() - see the OF code in sound/soc/codecs/wm8903.c for an example. > The driver should not need to know about thie flag. It gets read > by irq_create_of_mapping when calling teh xlate function and > gets set using irq_set_irq_type from there too. That only helps the interrupt controller, it doesn't help the interrupt source. A good proportion of embedded devices have a great deal of flexibility in how they signal interrupts so they need to know what mode to pick. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
