Re: [PATCH v3 09/11] i2c: rcar: revoke START request early

Sergei Shtylyov
2016-04-01T23:05:45Z

On 04/01/2016 11:14 PM, Wolfram Sang wrote:
>
>>> IIRC my tests showed that if you don't remove
>>> the spinlocks (patch 4), the interrupt latency will already be too high
>>> again.
>>
>> Thank you for the valuable info!
>
> Oh, and add patch 6 to it. The context switches are a major problem in
> this.

Thanks again! I ended up backporting all the patches up to #9. Not sure
it'd be acceptable for the -stable kernels since there's a lot of refactors
involved...

MBR, Sergei