linux-kernel - Re: [PATCH v2 6/6] irqchip/renesas-rzv2h: Handle ICU error IRQ and add SWPE trigger

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Message-ID: <87pl6k1qlj.ffs@tglx>
Date: Wed, 04 Feb 2026 16:22:00 +0100
From: Thomas Gleixner <tglx@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>, Philipp Zabel
 <p.zabel@...gutronix.de>, Geert Uytterhoeven <geert+renesas@...der.be>,
 Magnus Damm <magnus.damm@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
 Prabhakar <prabhakar.csengg@...il.com>, Biju Das
 <biju.das.jz@...renesas.com>, Fabrizio Castro
 <fabrizio.castro.jz@...esas.com>, Lad Prabhakar
 <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 6/6] irqchip/renesas-rzv2h: Handle ICU error IRQ and
 add SWPE trigger

On Tue, Feb 03 2026 at 23:18, Prabhakar wrote:
> +	/* 1) Bus errors (BEISR0..3) */
> +	for (k = 0; k < ICU_NUM_BE; k++) {
> +		st = readl(base + ICU_BEISR(k));
> +		if (!st)
> +			continue;
> +
> +		writel_relaxed(st, base + ICU_BECLR(k));
> +		pr_debug("rzv2h-icu: BUS error k=%u status=0x%08x\n", k, st);

Why hiding this behind pr_debug()? That's all diagnostic information
which helps to monitor system health, no?