linux-kernel - Re: [PATCH] i2c: ismt: add i2c bus recovery on timed out transaction

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Message-ID: <aWrWBGXoneKFMQpJ@zenone.zhora.eu>
Date: Sat, 17 Jan 2026 01:22:40 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: "Jens Stobernack (Nokia)" <jens.stobernack@...ia.com>, 
	Neil Horman <nhorman@...driver.com>
Cc: "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>, 
	"nhorman@...driver.com" <nhorman@...driver.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"vasilykh@...sta.com" <vasilykh@...sta.com>
Subject: Re: [PATCH] i2c: ismt: add i2c bus recovery on timed out transaction

Hi Neil,

On Tue, Nov 25, 2025 at 06:30:35PM +0000, Jens Stobernack (Nokia) wrote:
> In rare occasions the i2c controller will get stuck. This failure is
> described in commit 46b2dfc0aa79 ("i2c: ismt: kill transaction in hardware
> on timeout")
> 
> The kill operation never resolved the stuck condition in lab testing. A
> traditional i2c bus recovery was required to recover the i2c
> controller and allow it to continue operating as normal.
> 
> Signed-off-by: Jens Stobernack <jens.stobernack@...ia.com>

any chance you can take a look to this?

Thanks,
Andi