Re: [PATCH 2/2] remoteproc: add support to handle internal memories
From: Ohad Ben-Cohen
Date: Tue Sep 23 2014 - 10:16:53 EST
Hi Suman,
On Mon, Sep 15, 2014 at 10:39 PM, Suman Anna <s-anna@xxxxxx> wrote:
> These processors need to use their internal RAM for loading, which is
> not for generic usage by the kernel, so defining a CMA block for this
> memory doesn't make sense.
Ok - so just to make sure I understand, this is physical memory you
want to use, which belongs to the remote processor, and which isn't
mapped normally by the kernel?
> Will it suffice to replace the memcpy() with memcpy_toio()?
Yes, memcpy_toio should be fine (and then you don't need to cast the
cookie returned by ioremap).
Thanks,
Ohad.
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