There is one sparse warning in drivers/dma/fsl-edma-common.c, fix it by setting mux_configure32() as static. make allmodconfig ARCH=mips CROSS_COMPILE=mips-linux-gnu- make C=2 drivers/dma/fsl-edma-common.o ARCH=mips CROSS_COMPILE=mips-linux-gnu- drivers/dma/fsl-edma-common.c:93:6: warning: symbol 'mux_configure32' was not declared. Should it be static? Fixes: 232a7f18cf8ec ("dmaengine: fsl-edma: add i.mx7ulp edma2 version support") Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> --- drivers/dma/fsl-edma-common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 6d6d8a4..7dbf7df 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -90,8 +90,8 @@ static void mux_configure8(struct fsl_edma_chan *fsl_chan, void __iomem *addr, iowrite8(val8, addr + off); } -void mux_configure32(struct fsl_edma_chan *fsl_chan, void __iomem *addr, - u32 off, u32 slot, bool enable) +static void mux_configure32(struct fsl_edma_chan *fsl_chan, void __iomem *addr, + u32 off, u32 slot, bool enable) { u32 val; -- 2.7.4