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MIPS: CPU_LOONGSON2EF need software to maintain cache consistency

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CPU_LOONGSON2EF need software to maintain cache consistency,
so modify the 'cpu_needs_post_dma_flush' function to return true
when the cpu type is CPU_LOONGSON2EF.

Cc: stable@vger.kernel.org
Signed-off-by: Lichao Liu <liulichao@loongson.cn>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Lichao Liu 2020-05-28 09:10:31 +08:00 committed by Thomas Bogendoerfer
parent 9c43783c70
commit a202bf71f0
1 changed files with 1 additions and 0 deletions
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arch/mips/mm/dma-noncoherent.c
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@ -33,6 +33,7 @@ static inline bool cpu_needs_post_dma_flush(void)
case CPU_R10000:
case CPU_R12000:
case CPU_BMIPS5000:
case CPU_LOONGSON2EF:
return true;
default:
/*