linux-kernel - Re: [PATCH v1] i2c: tegra: Improve handling of i2c_recover

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Message-ID: <20210329191531.GA6654@kunai>
Date:   Mon, 29 Mar 2021 21:15:31 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] i2c: tegra: Improve handling of i2c_recover_bus()

On Mon, Mar 29, 2021 at 10:05:46PM +0300, Dmitry Osipenko wrote:
> The i2c_recover_bus() returns -EOPNOTSUPP if bus recovery isn't wired up,
> which the case for older Tegra SoCs at the moment. This error code is then
> propagated to I2C client and might be confusing, thus return -EIO instead.

Hmm, makes sense. Maybe we should change it in the core? But with EBUSY
instead?


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