Re: [PATCH 6/7] arm64: dts: allwinner: a523: add DWC3 USB3.0 node

From: Mikhail Kalashnikov <iuncuim@gmail.com>
To: Per Larsson <per@palvencia.se>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>,
	Andre Przywara <andre.przywara@arm.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-phy@lists.infradead.org, linux-clk@vger.kernel.org,
	linux-sunxi@lists.linux.dev
Subject: Re: [PATCH 6/7] arm64: dts: allwinner: a523: add DWC3 USB3.0 node
Date: Sat, 19 Sep 2026 15:44:54 +0800	[thread overview]
Message-ID: <aeb5b8a8-e01e-404f-9788-b4770ecdd9ef@gmail.com> (raw)
In-Reply-To: <20260915013336.68ee3611@rpi>

On 9/15/26 07:33, Per Larsson wrote:
> On Sat, 16 Aug 2025 16:46:59 +0800
> iuncuim <iuncuim@gmail.com> wrote:
> 
>> +			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> 
> (Sorry for the more-or-less necroposting)
> 
> This is the only mention of irq or interrupt in the entire series,
> which at first led me to believe there was something missing given that
> there's a "Nobody cared" message appearing when the port first detects
> something connected to it followed by something about the irq
> being disabled.
> 
> Now I read in the text of another patch (adding a TrimUi dts) that this
> message comes when an interrupt storm is detected, and given that the
> value in /proc/interrupts goes from zero to 100K in no time, that seems
> likely to be the case here as well.
> 
Yes.> What is this interrupt supposed to be about, and can it be handled
> better?
This inerrupt should be disabled in host mode, I'll do it in v2.
But except this message it doesn't affect functionality.

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