Re: [PATCH 2/2 v2][resend] gpio: pcf857x: enable gpio_to_irq()support

[Paul Mundt]

On Thu, Jun 14, 2012 at 12:10:59AM -0700, Kuninori Morimoto wrote:
> +	for (i = 0; i < gpio->chip.ngpio; i++)
> +		if (change & BIT(i))
> +			generic_handle_irq(irq_find_mapping(gpio->irq_domain, i));
> +
You can probably get away with using for_each_set_bit() as well, which
would simplify this a bit.

Also, do you not have to worry about masking the parent IRQ while
iterating through the dispatch loop?
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