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Date:   Tue, 29 Jun 2021 11:07:15 +0200
From:   Wolfram Sang <wsa@kernel.org>
To:     Viresh Kumar <viresh.kumar@linaro.org>
Cc:     Arnd Bergmann <arnd@arndb.de>, Jie Deng <jie.deng@intel.com>,
        Linux I2C <linux-i2c@vger.kernel.org>,
        virtualization@lists.linux-foundation.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        conghui.chen@intel.com, kblaiech@mellanox.com,
        jarkko.nikula@linux.intel.com,
        Sergey Semin <Sergey.Semin@baikalelectronics.ru>,
        Mike Rapoport <rppt@kernel.org>, loic.poulain@linaro.org,
        Tali Perry <tali.perry1@gmail.com>,
        Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        yu1.wang@intel.com, shuo.a.liu@intel.com,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v10] i2c: virtio: add a virtio i2c frontend driver
Message-ID: <YNriw0teFmOVnU8T@ninjato>
Mail-Followup-To: Wolfram Sang <wsa@kernel.org>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>, Jie Deng <jie.deng@intel.com>,
        Linux I2C <linux-i2c@vger.kernel.org>,
        virtualization@lists.linux-foundation.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        conghui.chen@intel.com, kblaiech@mellanox.com,
        jarkko.nikula@linux.intel.com,
        Sergey Semin <Sergey.Semin@baikalelectronics.ru>,
        Mike Rapoport <rppt@kernel.org>, loic.poulain@linaro.org,
        Tali Perry <tali.perry1@gmail.com>,
        Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>,
        Bjorn Andersson <bjorn.andersson@linaro.org>, yu1.wang@intel.com,
        shuo.a.liu@intel.com, Stefan Hajnoczi <stefanha@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>
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>     struct i2c_rdwr_ioctl_data data;
>     data.nmsgs =3D count;
>     data.msgs =3D msgs;
>=20
>     return ioctl(adapter->fd, I2C_RDWR, &data);
>=20
> So we will end up recreating the exact situation as when
> virtio_i2c_xfer() is called.

Perfect! I was hoping exactly for this. But with my limited experience
of all the blocks involved, I decided to ask for this instead of digging
into various sources. Looks good.


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