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Date: Fri, 20 Oct 2023 07:40:16 +0200
From: Christoph Hellwig <>
To: Greg Ungerer <>,
Cc: Robin Murphy <>,
	Marek Szyprowski <>,
	Geert Uytterhoeven <>,
	Wei Fang <>,
	Shenwei Wang <>,
	Clark Wang <>,
	NXP Linux Team <>,,
Subject: fix the non-coherent coldfire dma_alloc_coherent v4

Hi all,

this is the next attempt to not return memory that is not DMA coherent
on coldfire/m68knommu.  The last one needed more fixups in the fec
driver, which this versions includes.  On top of that I've also added
a few more cleanups to the core DMA allocation code.

Note: without the separately submitted

   fix a few RISC-V / renesas Kconfig dependencies

series this will cause Kconfig warnings on riscv.   These warnings are
due to real dependency issues, so I do not plan to hold the series for
those patches to be applied.

Changes since v2:
 - drop the separatly submitted riscv/soc patches and rebase on top of the
   soc tree
 - fix stray CONFIG_ prefixes in a Kconfig file

Changes since v1:
 - sort out the dependency mess in RISCV
 - don't even built non-coherent DMA support for coldfire cores without
   data caches
 - apply the fec workarounds to all coldfire platforms with data caches
 - add a trivial cleanup for m68k dma.c

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