dmaengine: ptdma: statify pt_tx_status

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]

pt_tx_status() should be static, so declare as such.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: d965068259d1 ("dmaengine: PTDMA: support polled mode")
Link: https://lore.kernel.org/r/20220421052407.745637-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ptdma/ptdma-dmaengine.c b/drivers/dma/ptdma/ptdma-dmaengine.c
index ea07cc4..cc22d16 100644 (file)
--- 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)
 {