linux-kernel - Re: [PATCH v3] i2c: microchip-core: re-fix fake detections w/ i2cdetect

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Message-ID: <qmuqhle6z5xc7kz5c3ofqstb4couphqy57ff5w2lsupcdye7mq@rtkdzztxcx6z>
Date: Tue, 1 Jul 2025 18:38:35 +0200
From: Andi Shyti <andi.shyti@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: linux-i2c@...r.kernel.org, Conor Dooley <conor.dooley@...rochip.com>, 
	Daire McNamara <daire.mcnamara@...rochip.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] i2c: microchip-core: re-fix fake detections w/
 i2cdetect

Hi Conor,

On Mon, Jun 30, 2025 at 04:18:17PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> Introducing support for smbus re-broke i2cdetect, causing it to detect
> devices at every i2c address, just as it did prior to being fixed in
> commit 49e1f0fd0d4cb ("i2c: microchip-core: fix "ghost" detections").
> This was caused by an oversight, where the new smbus code failed to
> check the return value of mchp_corei2c_xfer(). Check it, and propagate
> any errors.
> 
> Fixes: d6ceb40538263 ("i2c: microchip-corei2c: add smbus support")
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>

merged to i2c/i2c-host-fixes.

Thanks,
Andi