[OpenWrt-Devel] [PATCH v2 1/2] ramips/mt762x: convert devices to interrupt-driven gpio-keys

[Adrian Schmutzler]

Hi John,

> -----Original Message-----
> From: John Crispin [mailto:john at phrozen.org]
> Sent: Montag, 21. Oktober 2019 14:19
> To: Adrian Schmutzler <freifunk at adrianschmutzler.de>; openwrt-devel at lists.openwrt.org
> Subject: Re: [OpenWrt-Devel] [PATCH v2 1/2] ramips/mt762x: convert devices to interrupt-driven gpio-keys
> 
> 
> On 21/10/2019 14:17, John Crispin wrote:
> > On 20/09/2019 14:03, Adrian Schmutzler wrote:
> >> This converts all remaining devices to use interrupt-driven
> >> gpio-keys compatible instead of gpio-keys-polled.
> >> The poll-interval is removed.
> >>
> >> While at it, add/remove newlines in keys and leds node where
> >> necessary.
> >>
> >> Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
> >
> > Hi,
> > was there not an issue on some of the older ralink silicon versions that
> > made irq unreliable, which is why we never changed this ?
> >      John
> this only touches the mtk silicon ...

I obviously cannot prove that this will work on all devices, but I have seen several device support PRs for mt7620/mt7621/mt7628 with gpio-keys working (=tested) over the last half year.
I intentionally only included mt76xx here, as I have no idea whether this will work on rtxxxx, and if I remember correctly 100 % of them still have gpio-keys-polled set.

Best

Adrian
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