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Date:   Tue, 29 Jun 2021 12:23:52 +0200
From:   Wolfram Sang <wsa@kernel.org>
To:     Viresh Kumar <viresh.kumar@linaro.org>
Cc:     Jie Deng <jie.deng@intel.com>, linux-i2c@vger.kernel.org,
        virtualization@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com,
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        arnd@arndb.de, kblaiech@mellanox.com,
        jarkko.nikula@linux.intel.com, Sergey.Semin@baikalelectronics.ru,
        rppt@kernel.org, loic.poulain@linaro.org, tali.perry1@gmail.com,
        u.kleine-koenig@pengutronix.de, bjorn.andersson@linaro.org,
        yu1.wang@intel.com, shuo.a.liu@intel.com, stefanha@redhat.com,
        pbonzini@redhat.com
Subject: Re: [PATCH v10] i2c: virtio: add a virtio i2c frontend driver
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> > You are not emulating I2C_FUNC_SMBUS_QUICK, so you need to mask it out.
>=20
> What is it that we need to have to emulate it ? I did use it in my
> qemu and rust backends, not sure if this was ever sent by device I
> used for testing SMBUS though.

The biggest use is to scan busses for devices, i.e. use 'i2cdetect'
without the -r parameter.


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