Messages in this thread | | | Date | Tue, 2 Mar 2021 09:16:03 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH v5] i2c: virtio: add a virtio i2c frontend driver |
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On 01-03-21, 16:46, Arnd Bergmann wrote: > But the driver does not support this at all: the sglist always has three > members as Viresh says: outhdr, msgbuf and inhdr. It then uses a > bounce buffer for the actual data transfer, and this always goes either > one way or the other.
Yes and if the driver doesn't support the specification fully then it should say so in a comment at least and also fail in case someone tries a full duplex transfer..
-- viresh
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