From: Lichao Liu <[email protected]> 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: [email protected] Signed-off-by: Lichao Liu <[email protected]> Reviewed-by: Jiaxun Yang <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- 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: /*
