dmaengine: xilinx: xdma: statify xdma_prep_interleaved_dma

xdma_prep_interleaved_dma() was local to file but not declared static,
leading to warning:

drivers/dma/xilinx/xdma.c:729:1: warning: no previous prototype for 'xdma_prep_interleaved_dma' [-Wmissing-prototypes]
  729 | xdma_prep_interleaved_dma(struct dma_chan *chan

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20231222094001.731889-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c
index 9360b85131ef9f34ccfa00bb8aa24521eb6eaeab..4ebc90b41bdb9685b3ab0933989977c49f6379de 100644 (file)
--- a/drivers/dma/xilinx/xdma.c
+++ b/drivers/dma/xilinx/xdma.c
@@ -725,7 +725,7 @@ failed:
  * @xt: DMA transfer template
  * @flags: tx flags
  */
-struct dma_async_tx_descriptor *
+static struct dma_async_tx_descriptor *
 xdma_prep_interleaved_dma(struct dma_chan *chan,
                          struct dma_interleaved_template *xt,
                          unsigned long flags)