On Tue, Oct 15, 2019 at 09:48:22AM +0200, Nicolas Saenz Julienne wrote:
> A little off topic but I was wondering if you have a preferred way to refer to
> the arm architecture in a way that it unambiguously excludes arm64 (for
> example
> arm32 would work).
arm32 should be fine. Neither arm64
On Mon, 2019-10-14 at 21:59 +0100, Catalin Marinas wrote:
> On Mon, Oct 14, 2019 at 08:31:02PM +0200, Nicolas Saenz Julienne wrote:
> > the Raspberry Pi 4 offers up to 4GB of memory, of which only the first
> > is DMA capable device wide. This forces us to use of bounce buffers,
> > which are
On Mon, Oct 14, 2019 at 08:31:02PM +0200, Nicolas Saenz Julienne wrote:
> the Raspberry Pi 4 offers up to 4GB of memory, of which only the first
> is DMA capable device wide. This forces us to use of bounce buffers,
> which are currently not very well supported by ARM's custom DMA ops.
> Among
Hi all,
the Raspberry Pi 4 offers up to 4GB of memory, of which only the first
is DMA capable device wide. This forces us to use of bounce buffers,
which are currently not very well supported by ARM's custom DMA ops.
Among other things the current mechanism (see dmabounce.c) isn't
suitable for
