[PATCH v13 5/5] uart: pl011: Add support to ZTE ZX296702 uart

Timur Tabi timur at codeaurora.org
Mon Oct 26 07:07:42 PDT 2015


Andre Przywara wrote:

> Yeah, I was interested in that scenario too, because the SBSA spec
> actually speaks of 32-bit registers and vendors may implement it
> strictly as that. Still waiting for actual failure reports on this
> before I wanted to push a fix, though.

What do you mean by failure reports?  Our hardware generates an SError 
if you try to access the PL011 registers with 8-bit or 16-bit reads or 
writes.

>> We have an internal patch
>> that replaces all of the read/write routines with vendor function calls.
>>   I would need to refactor our patch on top of yours.
>
> But wouldn't Jun's patch address this more easily, because it wraps
> every call already? TBH I found this change the most interesting.

Yes, but I think it changes a lot of things unnecessarily, like the 
register names.

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