[PATCH] dmaengine: PTDMA: statify pt_tx_status

[i.m.novikov]

From: Ilya Novikov <i.m.novikov@xxxxxxxxx>

LKP bot reports a new warning:
Warning:
drivers/dma/ptdma/ptdma-dmaengine.c:262:1: warning: no previous
prototype for 'pt_tx_status' [-Wmissing-prototypes]

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Ilya Novikov <i.m.novikov@xxxxxxxxx>
---
 drivers/dma/ptdma/ptdma-dmaengine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/ptdma/ptdma-dmaengine.c b/drivers/dma/ptdma/ptdma-dmaengine.c
index ea07cc42f4d0..cc22d162ce25 100644
--- a/drivers/dma/ptdma/ptdma-dmaengine.c
+++ b/drivers/dma/ptdma/ptdma-dmaengine.c
@@ -258,7 +258,7 @@ static void pt_issue_pending(struct dma_chan *dma_chan)
 		pt_cmd_callback(desc, 0);
 }
 
-enum dma_status
+static enum dma_status
 pt_tx_status(struct dma_chan *c, dma_cookie_t cookie,
 		struct dma_tx_state *txstate)
 {
-- 
2.25.1