From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: add support for the global coherent pool to the dma core
Date: Mon, 12 Jul 2021 08:16:57 +0200
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To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>, Brian Cain <bcain-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: linux-hexagon-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Vladimir Murzin <vladimir.murzin-5wv7dgnIgG8@public.gmane.org>, Dillon Min <dillon.minfei-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org

Hi all,

this series adds support for using the global coherent (aka uncached)
pool to the generic dma-direct code and then switches arm-nommu and
hexagon over to it, together with a bunch of cleanups.

Diffstat:
 arch/arm/Kconfig                |    5 -
 arch/arm/mm/dma-mapping-nommu.c |  173 +---------------------------------------
 arch/hexagon/Kconfig            |    1 
 arch/hexagon/kernel/dma.c       |   57 ++-----------
 include/linux/dma-map-ops.h     |   18 ++--
 kernel/dma/Kconfig              |    4 
 kernel/dma/coherent.c           |  159 +++++++++++++++++-------------------
 kernel/dma/direct.c             |   15 +++
 8 files changed, 124 insertions(+), 308 deletions(-)