linux-kernel - Re: [PATCH 1/3] platform/x86/pcengines-apuv2: add mpcie reset gpio export

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Message-ID: <3e98bbd8-c051-4996-fc5a-88a58a2fa2d4@metux.net>
Date:   Mon, 15 Jul 2019 14:15:43 +0200
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     Florian Eckert <fe@....tdt.de>, Eckert.Florian@...glemail.com,
        info@...ux.net, dvhart@...radead.org, andy@...radead.org
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] platform/x86/pcengines-apuv2: add mpcie reset gpio
 export

On 04.07.19 11:02, Florian Eckert wrote:
> On APUx we have also mpcie2/mpcie3 reset pins. To make it possible to reset
> the ports from the userspace, add the definition to this platform
> device. The gpio can then be exported by the legancy gpio subsystem to
> toggle the mpcie reset pin.
>

Just tested your patch on an apu3. The driver itself seems to work,
but the pins don't seem to actually do anything.

How exactly did you test it ? Do you have some test case ?


--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287