> -----Original Message-----
> From: Christoph Hellwig <[email protected]>
> Sent: Monday, July 12, 2021 1:17 AM
> To: [email protected]; Russell King
<[email protected]>;
> Brian Cain <[email protected]>
> Cc: Dillon Min <[email protected]>; Vladimir Murzin
> <[email protected]>; [email protected]; linux-
> [email protected]; [email protected]
> Subject: add support for the global coherent pool to the dma core
>
> 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.
Christoph,
Thanks for sending this -- I will take a look and give some feedback soon.
> 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(-)
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