| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 192/267] MIPS: CPU_LOONGSON2EF need software to maintain cache consistency | Date | Fri, 19 Jun 2020 16:32:57 +0200 |
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From: Lichao Liu <liulichao@loongson.cn>
commit a202bf71f08b3ef15356db30535e30b03cf23aec upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/mips/mm/dma-noncoherent.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -56,6 +56,7 @@ static inline bool cpu_needs_post_dma_fl case CPU_R10000: case CPU_R12000: case CPU_BMIPS5000: + case CPU_LOONGSON2EF: return true; default: /*
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