linux-kernel - Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

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Date:   Wed, 5 Jul 2023 17:54:05 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     Fabio Estevam <festevam@...il.com>,
        Nate Drude <Nate.D@...iscite.com>,
        Pierluigi Passaro <pierluigi.p@...iscite.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

On 05/07/2023 17:51, Hugo Villeneuve wrote:
>> As I wrote, interrupt type cannot be none. What does it even mean "none"
>> for your case?
> 
> Hi,
> I have no idea why Variscite are using this IRQ type of NONE.

Because it worked :)

> 
> I can put IRQ_TYPE_EDGE_FALLING since I tested it and it works.

Seems reasonable because on schematics this looked pulled up.

Best regards,
Krzysztof