On 09/24/2013 02:31 AM, Linus Walleij wrote: > On Mon, Sep 23, 2013 at 10:21 PM, Stephen Warren <swar...@wwwdotorg.org> > wrote: ... >> Perhaps rather than having the gpio_chip/irq_chip drivers physically >> implement a function which calls this common code, they could set some >> flags/data/... in the struct gpio_chip/irq_chip indicating that they >> desire the core code that implements the error-checking to be enabled. > > I think it should more be like a function they can call to flag > a GPIO as used for IRQ.
For the record, that's pretty much exactly what I meant by implementing it in the drivers. The irq_chip driver knows when the IRQ has been requested, and calls some gpiolib function to mark the GPIO as in-use-as-an-IRQ. -- 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/