linux-kernel - Re: [PATCH v10] i2c: virtio: add a virtio i2c frontend driver

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Message-ID: <20210630150901.5uzjelg4k7xgbumb@vireshk-i7>
Date:   Wed, 30 Jun 2021 20:39:01 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Wolfram Sang <wsa@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Jie Deng <jie.deng@...el.com>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        conghui.chen@...el.com, kblaiech@...lanox.com,
        jarkko.nikula@...ux.intel.com,
        Sergey Semin <Sergey.Semin@...kalelectronics.ru>,
        Mike Rapoport <rppt@...nel.org>, loic.poulain@...aro.org,
        Tali Perry <tali.perry1@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        yu1.wang@...el.com, shuo.a.liu@...el.com,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [PATCH v10] i2c: virtio: add a virtio i2c frontend driver

On 30-06-21, 16:38, Wolfram Sang wrote:
> > While we are at it, this has been replaced by a Rust counterpart [1]
> > (as that makes it hypervisor agnostic, which is the goal of my work
> > here) and I need someone with I2C knowledge to help review it. It
> > should be okay even if you don't understand Rust a lot, just review
> > this file[2] which is where most of i2c specific stuff lies.
> 
> From the high level review I can provide, it looks good to me. Block
> transfers are missing, but I think you said that already. Mising Rust
> experience, I might miss details, of course. But the general approach
> seems fine to me. smbus_prepare() will get a bit more messy when you add
> block transfers, but it still looks bearable, I think.

Thanks for having a look.

-- 
viresh