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

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Message-ID: <7b5e8060-abee-a9e1-1c88-78f0a20e2e96@gmail.com>
Date:   Mon, 29 Mar 2021 22:28:13 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Wolfram Sang <wsa@...-dreams.de>,
        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()

29.03.2021 22:15, Wolfram Sang пишет:
> 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?
> 

This also should be a good variant. I'll update the patch, thanks.