linux-kernel - Re: [PATCH 1/8] dt-bindings: sun6i-a31-mipi-dphy: Add the interrupts property

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Message-ID: <0d2bf232-8aa6-2dc1-121d-f0439bfd7b54@sholland.org>
Date:   Fri, 12 Aug 2022 17:19:09 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Ripard <maxime@...no.tech>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 1/8] dt-bindings: sun6i-a31-mipi-dphy: Add the interrupts
 property

On 8/12/22 5:45 AM, Krzysztof Kozlowski wrote:
> On 12/08/2022 10:55, Samuel Holland wrote:
>> The sun6i DPHY can generate several interrupts, mostly for reporting
>> error conditions, but also for detecting BTA and UPLS sequences.
>> Document this capability in order to accurately describe the hardware.
>>
>> The DPHY has no interrupt number provided in the vendor documentation
>> because its interrupt line is shared with the DSI controller.
>>
>> Fixes: c25b84c00826 ("dt-bindings: display: Convert Allwinner DSI to a schema")
> 
> I don't understand what is being fixed in that commit. That commit did
> not have interrupts in D-PHY, so what was broken by it?
> 
> The Fixes tag annotates the commit which introduced a bug.

The binding had a bug because it did not accurately describe the hardware. If
you don't think this warrants a Fixes tag, I can remove it. Or are you
suggesting that the Fixes tag should instead reference the commit adding the
original .txt binding?

Regards,
Samuel