Re: [RFC PATCH 0/3] gpio: ep93xx: convert to multi irqchips

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Thu, Dec 24, 2020 at 1:24 PM Nikita Shubin <nikita.shubin@xxxxxxxxxxx> wrote:
>
> I was lucky enough to became an owner of some splendid piece's of
> antiques called ts7250 based on the top of Cirrus Logic EP9302.
>
> I don't know what fate expects this hardware (it's not EOL it's just Not
> recommended for new designs) but i wanted to share fixes in ep93xx gpio area.
>
> It seems ep93xx is deadly broken at current state usage of AB gpiochips
> interrupts leads to deadlocks coused by irq_unmask/irq_mask recursions.

I personally consider it quite nice to have support even for outdated
hardware (reminds me about a recent LWN article about 32-bit
architectures and a comment there how it could affect the environment
if we drop them from being supported).

So I fully support this series.

-- 
With Best Regards,
Andy Shevchenko