dmaengine: nbpf_error_get_channel() can be static

CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
CC: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index cea6a3768e2efe4f675d370fdd1a9e49f3fe9721..5aeada56a442673d9c07d03ff325cd23c0eeee10 100644 (file)
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -351,7 +351,7 @@ static u32 nbpf_error_get(struct nbpf_device *nbpf)
        return nbpf_read(nbpf, NBPF_DSTAT_ER);
 }
 
-struct nbpf_channel *nbpf_error_get_channel(struct nbpf_device *nbpf, u32 error)
+static struct nbpf_channel *nbpf_error_get_channel(struct nbpf_device *nbpf, u32 error)
 {
        return nbpf->chan + __ffs(error);
 }