Re: [PATCH v2 2/4] regmap-irq: Add handle_mask_sync() callback

[Mark Brown]

On Thu, Nov 10, 2022 at 08:55:51PM -0500, William Breathitt Gray wrote:

> Provide a public callback handle_mask_sync() that drivers can use when
> they have more complex IRQ masking logic. The default implementation is
> regmap_irq_handle_mask_sync(), used if the chip doesn't provide its own
> callback.

Can you provide examples of something that would make sense to
open code in a driver rather than factoring out?  It looks like
this has been added due to one of the devices you're looking at
for some reason disabling it's upstream interrupt when all of the
downstream interrupts are masked, while weird that doesn't seem
especally device specific.

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