dmaengine: xilinx_dma: fix mixed_enum_type coverity warning

commit 2d5efea64472469117dc1a9a39530069e95b21e9 upstream.

Typecast the fls(width -1) with (enum dmaengine_alignment) in
xilinx_dma_chan_probe function to fix the coverity warning.

Addresses-Coverity: Event mixed_enum_type.
Fixes: 9cd4360de609 ("dma: Add Xilinx AXI Video Direct Memory Access Engine driver support")
Signed-off-by: Shravya Kumbham <shravya.kumbham@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Link: https://lore.kernel.org/r/1608722462-29519-4-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index fa261fff7655b291c5e0f01ca24d584e9c67420d..0c5668e897fe7cc134e175dc6fd9c772454e59ee 100644 (file)
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2426,7 +2426,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
                has_dre = false;
 
        if (!has_dre)
-               xdev->common.copy_align = fls(width - 1);
+               xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);
 
        if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") ||
            of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") ||