linux-kernel - Re: [PATCH 12/13] interconnect: mediatek: Don't hijack parent device

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Message-ID: <0e3c692f-a6ef-4d1a-a412-a57b0a0ee8ee@collabora.com>
Date: Mon, 17 Nov 2025 13:39:44 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Matthias Brugger
 <matthias.bgg@...il.com>, Henry Chen <henryc.chen@...iatek.com>,
 Georgi Djakov <djakov@...nel.org>
Cc: kernel@...labora.com, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 12/13] interconnect: mediatek: Don't hijack parent device

Il 14/11/25 17:54, Nicolas Frattaroli ha scritto:
> If the intention is that users of the interconnect declare their
> relationship to the child icc_emi node of the dvfsrc controller, then
> this code never worked. That's because it uses the parent dvfsrc device
> as the device it passes to the interconnect core framework, which means
> all the OF parsing is broken.
> 
> Use the actual device instead, and pass the dvfsrc parent into the
> dvfsrc calls.
> 
> Fixes: b45293799f75 ("interconnect: mediatek: Add MediaTek MT8183/8195 EMI Interconnect driver")
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>