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SubjectRe: [PATCH v11] i2c: virtio: add a virtio i2c frontend driver
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On 2021/7/1 18:45, Andy Shevchenko wrote:
> On Thu, Jul 01, 2021 at 11:24:46AM +0800, Jie Deng wrote:
>> Add an I2C bus driver for virtio para-virtualization.
>>
>> The controller can be emulated by the backend driver in
>> any device model software by following the virtio protocol.
>>
>> The device specification can be found on
>> https://lists.oasis-open.org/archives/virtio-comment/202101/msg00008.html.
>>
>> By following the specification, people may implement different
>> backend drivers to emulate different controllers according to
>> their needs.
>> - Use #ifdef CONFIG_PM_SLEEP to replace the "__maybe_unused".
> Why is that?


Please refer to https://lkml.org/lkml/2021/3/23/285.


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