Subject: Re: [RFC 01/11] i2c: add quirk structure to describe adapter flaws

From: Wolfram Sang <[email-masked]>
Date: Mon, 19 Jan 2015 16:00:11 +0100

Hi,

> This can describe the behavior of our current upstream driver[1], which
> only support combine write-then-read.
> 
> After checking with Xudong & HW guys, it seems our HW can do more. 
> On MT8135, it can support at most 2 messages, no matter read or write,
> with the limitation that the length of the second message must <=
> 31bytes.
> 
> So this RFC is enough for our driver, but it would be better if we could
> also support other case.

Hmm, I think we can convert max_comb_{read|write}_len to
max_comb_{1st|2nd}_msg_len or similar.

I'll check but it will probably not before next week.

Thanks for the input!