linux-kernel - Re: [PATCH v4 2/3] i2c: imx: Check for I2SR

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Message-ID: <CAJKOXPc3ppDdcQCGCuLG2=QHRuXzMZV-Nodzc==LWjRMNxXpaA@mail.gmail.com>
Date:   Wed, 7 Oct 2020 09:51:03 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Christian Eggers <ceggers@...i.de>
Cc:     Oleksij Rempel <linux@...pel-privat.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        David Laight <David.Laight@...lab.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] i2c: imx: Check for I2SR_IAL after every byte

On Tue, 6 Oct 2020 at 18:11, Christian Eggers <ceggers@...i.de> wrote:
>
> Arbitration Lost (IAL) can happen after every single byte transfer. If
> arbitration is lost, the I2C hardware will autonomously switch from
> master mode to slave. If a transfer is not aborted in this state,
> consecutive transfers will not be executed by the hardware and will
> timeout.
>
> Signed-off-by: Christian Eggers <ceggers@...i.de>
> Cc: stable@...r.kernel.org

Where is the tested-by tag from me?

Best regards,
Krzysztof