Re: [PATCH 1/5] mfd: tps65217: Add support for IRQs

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FAO Mark,

> On 05.04.2016 12:07, Grygorii Strashko wrote:
> >On 04/04/2016 08:11 PM, Marcin Niestroj wrote:
> >>Add support for handling IRQs: power button, AC and USB power state
> >>changes. Mask and interrupt bits are shared within one register, which
> >>prevents us to use regmap_irq implementation. New irq_domain is
> >>created in
> >>order to add interrupt handling for each tps65217's subsystem. IRQ
> >>resources have been added for charger subsystem to be able to notify
> >>about
> >>AC and USB state changes.
> >>
> >>Signed-off-by: Marcin Niestroj <m.niestroj@xxxxxxxxxxxxxxxx>
> >>---
> >
> >Just curious Why not use a regmap_irq?
> 
> tps65217 has IRQ mask and status bits in a single register.
> regmap_irq works in case of two different registers (one mask, one
> status), but with the same layout of mask and status bits in both.

Mark, is this the right approach?  Or is there another way regmap_irq
can be manipulated to support this configuration?

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Lee Jones
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