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m68k: Don't select ARCH_HAS_DMA_PREP_COHERENT for nommu or coldfire

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M68k only provides the arch_dma_prep_coherent symbol when an mmu is
enabled and not on the coldfire platform.  Fix the Kconfig symbol
selection up to match this.

Fixes: 69878ef475 ("m68k: Implement arch_dma_prep_coherent()")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Christoph Hellwig 2019-07-08 10:51:01 -07:00 committed by Geert Uytterhoeven
parent 69878ef475
commit f28a1f1613
1 changed files with 1 additions and 1 deletions
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2
arch/m68k/Kconfig
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@ -4,7 +4,7 @@ config M68K
default y
select ARCH_32BIT_OFF_T
select ARCH_HAS_DMA_MMAP_PGPROT if MMU && !COLDFIRE
select ARCH_HAS_DMA_PREP_COHERENT
select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA
select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
select ARCH_NO_COHERENT_DMA_MMAP if !MMU