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Re: [PATCH 00/21] dmaengine/ARM: Merge the edma drivers into one

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On Thursday 10 September 2015 11:37:29 Peter Ujfalusi wrote:
> 
> with this series the edma two driver setup will be changed to have only one
> driver to support eDMA3. The legacy edma interface will be removed and eDMA can
> only be used via dmaengine API from this point on.
> In order to do the merge the following improvements has been done:
> - One driver instance per eDMA:
>  - Any number of eDMA instances are supported (both legacy and DT boot)
> - Not relying on global variables, arrays, etc
> - Code simplification and optimizations in several places
> 
> This change will also help us to do bigger changes in the eDMA driver since,
> since now we have only one driver to work with.
> 

Very nice series, thanks for addressing this long-standing issue!

I've briefly read over the series and did not see anything major
sticking out, but I did not attempt to do a thorough review.

I found two minor things that I commented on that could be improved.

	Arnd
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[PATCH 00/21] dmaengine/ARM: Merge the edma drivers into one Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:40 +0200
  Re: [PATCH 00/21] dmaengine/ARM: Merge the edma drivers into one Arnd Bergmann <arnd@arndb.de> - 2015-09-10 10:50 +0200
  [PATCH 05/21] ARM/dmaengine: edma: Move of_dma_controller_register to the dmaengine driver Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 13/21] dmaengine: edma: Use devm_kcalloc when possible Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  Re: [PATCH 08/21] ARM/dmaengine: edma: Remove limitation on the number of eDMA controllers Arnd Bergmann <arnd@arndb.de> - 2015-09-10 10:50 +0200
    Re: [PATCH 08/21] ARM/dmaengine: edma: Remove limitation on the  number of eDMA controllers Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 11:20 +0200
  [PATCH 02/21] ARM: common: edma: Remove unused functions Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 14/21] dmaengine: edma: Cleanup regarding the use of dev around the code Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 03/21] dmaengine: edma: Simplify and optimize the edma_execute path Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 04/21] ARM: davinci/common: Convert edma driver to handle one eDMA instance per driver Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 08/21] ARM/dmaengine: edma: Remove limitation on the number of eDMA controllers Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 21/21] dmaengine: edma: Simplify and optimize ccerr interrupt handler Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 16/21] dmaengine: edma: Use the edma_write_slot instead open coded memcpy_toio Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 19/21] dmaengine: edma: Simplify the interrupt handling Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 18/21] dmaengine: edma: Consolidate the comments for functions Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 12/21] dmaengine: edma: Parameter alignment and long line fixes Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 07/21] ARM/dmaengine: edma: Public API to use private struct pointer Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 15/21] dmaengine: edma: Use dev_dbg instead pr_debug Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200
  [PATCH 20/21] dmaengine: edma: Move the pending error check into helper function Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-10 10:50 +0200

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