> > Obviously, I don't know much about the specs and their wording. Still I > > wonder if we can't call it a zero length transfer? > > Maybe that. I'd prefer it. > > This is allowed by > > the I2C standard and SMBus has even a proper name for it (SMBUS_QUICK). > > From my point of view, I would not say it is device specific because > > devices are expected to ACK such a message. > > Actually we should skip the last line from my diff, i.e. completely > drop "and result for such a request is I2C device specific". Sounds good. > The device (host in virtio spec terminology) still needs to return > success/failure as it does for other requests. Nothing special here. Ack.
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