linux-kernel - Re: [PATCH v1 1/1] i2c: npcm: disable interrupt enable bit before devm_request

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Message-ID: <nantj66w7l7bmk2sz6i2akyaw7cievmeuuvpl3622wj5xmdmtm@g4rcuwxghxdp>
Date: Wed, 26 Feb 2025 23:18:39 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Tyrone Ting <warp5tw@...il.com>
Cc: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com, 
	venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com, 
	wsa+renesas@...g-engineering.com, tali.perry@...oton.com, Avi.Fishman@...oton.com, 
	tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com, kfting@...oton.com, 
	openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] i2c: npcm: disable interrupt enable bit before
 devm_request_irq

Hi Tyrone,

On Thu, Feb 20, 2025 at 12:00:29PM +0800, Tyrone Ting wrote:
> The customer reports that there is a soft lockup issue related to
> the i2c driver. After checking, the i2c module was doing a tx transfer
> and the bmc machine reboots in the middle of the i2c transaction, the i2c
> module keeps the status without being reset.

...

> Signed-off-by: Tyrone Ting <kfting@...oton.com>

I guess we also need:

Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
Cc: <stable@...r.kernel.org> # v5.8+

I'm now applying the patch to the i2c/i2c-host-fixes with these
tags

Please, let me know if you think that's not the case.

Thanks,
Andi