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

From	Vignesh R <vigneshr@ti.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/5] spi: introduce mmap read support for spi flash devices
Date	2015-09-18 14:20 +0200
Message-ID	<qa2NX-2kJ-1@gated-at.bofh.it> (permalink)
References	<q4UHn-5cD-3@gated-at.bofh.it> <q4UHn-5cD-1@gated-at.bofh.it> <q8GPw-5VR-17@gated-at.bofh.it> <q9hP4-1id-25@gated-at.bofh.it> <q9iBr-2dA-1@gated-at.bofh.it>
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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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Re: [PATCH 1/5] spi: introduce mmap read support for spi flash  devices Mark Brown <broonie@kernel.org> - 2015-09-14 20:40 +0200
  Re: [PATCH 1/5] spi: introduce mmap read support for spi flash  devices Vignesh R <vigneshr@ti.com> - 2015-09-16 12:10 +0200
    Re: [PATCH 1/5] spi: introduce mmap read support for spi flash  devices Mark Brown <broonie@kernel.org> - 2015-09-16 13:00 +0200
      Re: [PATCH 1/5] spi: introduce mmap read support for spi flash  devices Vignesh R <vigneshr@ti.com> - 2015-09-18 14:20 +0200

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