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From: "Enrico Weigelt, metux IT consult" <lkml@metux.net>
To: Viresh Kumar <viresh.kumar@linaro.org>, Jie Deng <jie.deng@intel.com>
Cc: linux-i2c@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, mst@redhat.com, wsa@kernel.org,
	jasowang@redhat.com, wsa+renesas@sang-engineering.com,
	andriy.shevchenko@linux.intel.com, conghui.chen@intel.com,
	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 v8] i2c: virtio: add a virtio i2c frontend driver
Date: Thu, 18 Mar 2021 15:40:30 +0100	[thread overview]
Message-ID: <0dfff1ac-50bb-b5bc-72ea-880fd52ed60d@metux.net> (raw)
In-Reply-To: <20210316074409.2afwsaeqxuwvj7bd@vireshk-i7>

On 16.03.21 08:44, Viresh Kumar wrote:

> FWIW, this limits this driver to support a single device ever. We
> can't bind multiple devices to this driver now. Yeah, perhaps we will
> never be required to do so, but who knows.

Actually, I believe multiple devices really should be possible.

The major benefit of virtio-i2c is either bridging certan real bus'es
into a confined workload, or creating virtual hw testbeds w/o having to
write a complete emulation (in this case, for dozens of different i2c
controllers) - and having multiple i2c interfaces in one machine isn't
exactly rare.


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287

  reply	other threads:[~2021-03-18 14:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-16 10:35 [PATCH v8] i2c: virtio: add a virtio i2c frontend driver Jie Deng
2021-03-16  7:44 ` Viresh Kumar
2021-03-18 14:40   ` Enrico Weigelt, metux IT consult [this message]
2021-03-18 14:52     ` Arnd Bergmann
2021-03-19  3:54       ` Viresh Kumar
2021-03-19  5:31         ` Jie Deng
2021-03-19  5:40           ` Viresh Kumar
2021-03-19  6:29             ` Jie Deng
2021-03-19  6:35               ` Viresh Kumar
2021-03-19  6:56                 ` Jie Deng
2021-03-19  8:27                 ` Arnd Bergmann
2021-03-16  7:53 ` Viresh Kumar
2021-03-19  5:53 ` Viresh Kumar
2021-03-19  7:52   ` Jie Deng

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