[PATCH v2 3/3] dmaengine: xilinx_dma: fix mixed_enum_type coverity warning

From: Radhey Shyam Pandey
Date: Wed Dec 23 2020 - 06:22:57 EST


From: Shravya Kumbham <shravya.kumbham@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx>
---
Changes for v2:
- Include fixes tag.
- Keep typecasting changes in the same line to increase readability.
---
drivers/dma/xilinx/xilinx_dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index cf75e2af6381..7639fd07e280 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2801,7 +2801,7 @@ 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") ||
--
2.7.4