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Date: Tue, 14 Jul 2026 19:19:44 +0200
From: Andi Shyti <andi.shyti@kernel.org>
To: Pei Xiao <xiaopei01@kylinos.cn>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, 
	linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, troy.mitchell@linux.spacemit.com
Subject: Re: [PATCH v2] i2c: spacemit: fix spurious IRQ handling returning
 IRQ_HANDLED
Message-ID: <alZvn3D1JXiAz_IK@zenone.zhora.eu>
References: <ef8b623f45d4e430721e46572c2598d882044aed.1783667603.git.xiaopei01@kylinos.cn>
 <ef8b623f45d4e430721e46572c2598d882044aed.1783667875.git.xiaopei01@kylinos.cn>
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In-Reply-To: <ef8b623f45d4e430721e46572c2598d882044aed.1783667875.git.xiaopei01@kylinos.cn>

Hi Pei,

On Fri, Jul 10, 2026 at 03:21:13PM +0800, Pei Xiao wrote:
> When the interrupt status register reads zero, the handler should
> return IRQ_NONE instead of IRQ_HANDLED. What the return value
> actually feeds into is the spurious interrupt accounting in
> note_interrupt(): falsely claiming IRQ_HANDLED defeats the "irq XX:
> nobody cared" detection, so a stuck interrupt source would never be
> caught.
> 
> Fixes: 5ea558473fa3 ("i2c: spacemit: add support for SpacemiT K1 SoC")
> Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>

merged to i2c/i2c-fixes.

Thanks,
Andi