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

From: Peter Griffin
Date: Wed Jul 06 2016 - 15:49:30 EST


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.