From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: Fabian Pflug <f.pflug@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Haidong Zheng <haidong.zheng@nxp.com>,
Danwei Luo <danwei.luo@nxp.com>, Lei Xu <lei.xu@nxp.com>
Subject: Re: [PATCH v4 2/2] arm64: dts: freescale: add support for NXP i.MX93 FRDM
Date: Tue, 30 Dec 2025 17:24:27 +0100 [thread overview]
Message-ID: <20251230172427.4f22ac7c@windsurf> (raw)
In-Reply-To: <20251230171548.67289601@windsurf>
Hello (again),
On Tue, 30 Dec 2025 17:15:48 +0100
Thomas Petazzoni <thomas.petazzoni@bootlin.com> wrote:
> I see the PMIC interrupt and the RTC interrupts are routed to the I2C
> GPIO expander at 1-0022, so I imagine either the PMIC or the RTC are
> triggering an interrupt (left enabled by U-Boot), and the kernel isn't
> compiled with the driver for either the PMIC or the RTC, and therefore
> there's no IRQ handler?
>
> (I confess I didn't investigate more than that at this point.)
Upon closer inspection, I in fact get thousands over IRQ #100 per
seconds right after boot, until the point where it reaches 100000 IRQ
events, and the splat appears, with the IRQ being subsequently
disabled. So it's not just one interrupt, but a storm of it.
Thomas
--
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
next prev parent reply other threads:[~2025-12-30 16:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-18 11:39 [PATCH v4 0/2] Add devicetree for NXP i.MX93 FRDM board Fabian Pflug
2025-12-18 11:39 ` [PATCH v4 1/2] dt-bindings: arm: fsl: add i.MX93 11x11 " Fabian Pflug
2025-12-18 11:39 ` [PATCH v4 2/2] arm64: dts: freescale: add support for NXP i.MX93 FRDM Fabian Pflug
2025-12-18 21:29 ` Francesco Valla
2025-12-30 16:15 ` Thomas Petazzoni
2025-12-30 16:24 ` Thomas Petazzoni [this message]
2025-12-30 17:51 ` Francesco Valla
2025-12-18 12:52 ` [PATCH v4 0/2] Add devicetree for NXP i.MX93 FRDM board Ahmad Fatoum
2025-12-18 13:11 ` Fabian Pflug
2025-12-18 13:53 ` Ahmad Fatoum
2025-12-30 8:39 ` Shawn Guo
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