linux-kernel - Re: [PATCH v2 2/2] Revert "ARM: dts: armada-39x: Fix compatible string for gpios"

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Message-ID: <874jszih5f.fsf@BL-laptop>
Date:   Mon, 09 Jan 2023 21:31:40 +0100
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Klaus Kudielka <klaus.kudielka@...il.com>
Cc:     Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pali Rohár <pali@...nel.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] Revert "ARM: dts: armada-39x: Fix compatible
 string for gpios"

Andrew Lunn <andrew@...n.ch> writes:

> On Sat, Jan 07, 2023 at 03:41:49PM +0100, Klaus Kudielka wrote:
>> This reverts commit d10886a4e6f85ee18d47a1066a52168461370ded.
>> 
>> If compatible = "marvell,armadaxp-gpio", the reg property requires a
>> second (address, size) pair, which points to the per-CPU interrupt
>> registers <0x18800 0x30> / <0x18840 0x30>.
>> 
>> Furthermore:
>> Commit 5f79c651e81e explains very well, why the gpio-mvebu driver does not
>> work reliably with per-CPU interrupts.
>> Commit 988c8c0cd04d deprecates compatible = marvell,armadaxp-gpio for this
>> reason.
>> 
>> Signed-off-by: Klaus Kudielka <klaus.kudielka@...il.com>
>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>

Applied on mvebu/fixes

Thanks,

Gregory
>
>     Andrew

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com