[PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one

Sekhar Nori nsekhar at ti.com
Wed Oct 7 03:43:23 PDT 2015

On Thursday 24 September 2015 03:31 PM, 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.
> The series has been tested on:
> da850-evm (OMAP-L138)
> - with legacy and DT boot (both eDMA0 and eDMA1 is enabled)
> - In code swapping the eDMA instances in legacy mode to make sure the second
>   instance is handled correctly.
> am335x-evmsk
> - DT boot
> I think this series could go via the dmaengine tree. Changes are trivial under
> arch/arm/

I tested this series on DM6446 EVM using MMC/SD as EDMA client. It
worked well. For the arch/arm/mach-davinci parts, please add

Acked-by: Sekhar Nori <nsekhar at ti.com>

Vinod, if you prefer me replying with acks on individual patches, I can
do that too.


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