[PATCH] arm: omap1: ams-delta: fix deferred_fiq handler

[Tony Lindgren]

* Janusz Krzysztofik <jmkrzyszt at gmail.com> [180502 11:34]:
> The deferred_fiq handler used to limit hardware operations to IRQ
> unmask only, relying on gpio-omap assigned handler performing the ACKs.
> Since commit 80ac93c27441 ("gpio: omap: Fix lost edge interrupts") this
> is no longer the case as handle_edge_irq() has been replaced with
> handle_simmple_irq() which doesn't touch the hardware.
> 
> Add single ACK operation per each active IRQ pin to the handler. While
> being at it, move unmask operation out of irq_counter loop so it is
> also called only once for each active IRQ pin.

Good to hear the fiq handler is confirmed working, applying
into omap-for-v4.17/fixes thanks.

Tony