[PATCH v6 00/18] Add support for FDMA DMA controller and slim core rproc found on STi chipsets

Peter Griffin peter.griffin at linaro.org
Wed Jul 6 12:49:21 PDT 2016


Hi Joe,

On Wed, 06 Jul 2016, Joe Perches wrote:

> On Wed, 2016-07-06 at 09:54 +0100, Peter Griffin wrote:
> > This patchset adds support for the Flexible Direct Memory Access (FDMA) core
> > found on STi chipsets from STMicroelectronics. The FDMA is a slim core CPU
> > with a dedicated firmware. It is a general purpose DMA controller supporting
> > 16 independent channels and data can be moved from memory to memory or between
> > memory and paced latency critical real time targets.
> []
> >  include/linux/remoteproc/st_slim_rproc.h          |  53 ++
> 
> Is this directory really necessary?

Yes, I believe so.

> 
> Why shouldn't this file be local to drivers/remoteproc/?

Because it has to be included by the various client drivers which are based
around the slim core IP. Currently drivers/dma/st_fdma.c but also in the future
LDVB demux driver.

regards,

Peter.



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