linux-kernel - Re: [PATCH] arm: omap1: ams-delta: fix deferred

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Message-ID: <20180503170820.GW98604@atomide.com>
Date:   Thu, 3 May 2018 10:08:20 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Janusz Krzysztofik <jmkrzyszt@...il.com>
Cc:     Aaro Koskinen <aaro.koskinen@....fi>,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: omap1: ams-delta: fix deferred_fiq handler

* Janusz Krzysztofik <jmkrzyszt@...il.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