Re: [PATCH 3/4] regulators: irq_helper: Provide helper for trivial IRQ notifications
From: Andy Shevchenko
Date: Mon Nov 22 2021 - 06:49:10 EST
On Mon, Nov 22, 2021 at 01:04:12PM +0200, Matti Vaittinen wrote:
> Provide a generic map_event helper for regulators which have a notification
> IRQ with single, well defined purpose. Eg, IRQ always indicates exactly one
> event for exactly one regulator device. For such IRQs the mapping is
> + int err = rid->states.possible_errs;
I would rather make it unsigned, but anyway...
> + !single_bit_set(err, sizeof(err) * 8)))
hweight32() seems suitable here.
With Best Regards,