[PATCH 1/5] spi: introduce mmap read support for spi flash devices

Vignesh R vigneshr at ti.com
Fri Sep 18 05:10:30 PDT 2015



On 09/16/2015 04:26 PM, Mark Brown wrote:
> On Wed, Sep 16, 2015 at 03:38:09PM +0530, Vignesh R wrote:
> 
>> But, I didn't get how to integrate with existing message queue. Memory
>> mapped read by-passes message queue of SPI core. Could you please
>> explain a bit more on integrating with message queue? Did you mean
>> locking the existing message queue when memory mapped read is being
>> requested?
> 
> Yes, and also making sure that we don't everything gets processed in
> order so memory mapped requests come after any commands needed to set
> them up and don't starve other work.
> 

Ok, thanks for the clarification!

-- 
Regards
Vignesh



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