[PATCH v1] MIPS: bmips: Fix compiler warning observed on W=1 build

[Jim Quinlan]

The function arch_sync_dma_for_cpu_all() was used but was
missing a prototype declaration.

Signed-off-by: Jim Quinlan <jim2101024@xxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
---
 arch/mips/bmips/dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/bmips/dma.c b/arch/mips/bmips/dma.c
index c535f9cb75ec..33788668cbdb 100644
--- a/arch/mips/bmips/dma.c
+++ b/arch/mips/bmips/dma.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 
 #include <linux/types.h>
+#include <linux/dma-map-ops.h>
 #include <asm/bmips.h>
 #include <asm/io.h>
 

base-commit: 4b0986a3613c92f4ec1bdc7f60ec66fea135991f
-- 
2.17.1