dmaengine: ste_dma40_ll: make d40_width_to_bits static

Fix warning due to d40_width_to_bits() not being used outside
this file. Fixes:

drivers/dma/ste_dma40_ll.c:13:4: warning: symbol 'd40_width_to_bits' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index 27b818dee7c7f85b5aa730d4db81b9fa4f231782..13b42dd9900c5136bcc6ee6048e2d7086f108bdc 100644 (file)
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -10,7 +10,7 @@
 
 #include "ste_dma40_ll.h"
 
-u8 d40_width_to_bits(enum dma_slave_buswidth width)
+static u8 d40_width_to_bits(enum dma_slave_buswidth width)
 {
        if (width == DMA_SLAVE_BUSWIDTH_1_BYTE)
                return STEDMA40_ESIZE_8_BIT;