linux-kernel - Re: [PATCH 2/2] i2c: testunit: discard write requests while old command is running

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Message-ID: <m2sxpply3xx54v7zfu4py7jsq43tcd73gy5ivxliaits4ozo5s@hqd5lmki7mnu>
Date: Thu, 27 Jun 2024 17:21:42 +0200
From: Andi Shyti <andi.shyti@...nel.org>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: linux-renesas-soc@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] i2c: testunit: discard write requests while old
 command is running

Hi Wolfram,

On Thu, Jun 27, 2024 at 01:14:48PM GMT, Wolfram Sang wrote:
> When clearing registers on new write requests was added, the protection
> for currently running commands was missed leading to concurrent access
> to the testunit registers. Check the flag beforehand.
> 
> Fixes: b39ab96aa894 ("i2c: testunit: add support for block process calls")
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Reviewed-by: Andi Shyti <andi.shyti@...nel.org>

Thanks,
Andi