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path: root/drivers/dma/xilinx
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Diffstat (limited to 'drivers/dma/xilinx')
-rw-r--r--drivers/dma/xilinx/zynqmp_dma.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index f777a5bc0db8..b18d51f7f38c 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -970,12 +970,17 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev,
chan->dst_burst_len = ZYNQMP_DMA_AWLEN_RST_VAL;
chan->src_burst_len = ZYNQMP_DMA_ARLEN_RST_VAL;
err = of_property_read_u32(node, "xlnx,bus-width", &chan->bus_width);
- if ((err < 0) && ((chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64) ||
- (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128))) {
- dev_err(zdev->dev, "invalid bus-width value");
+ if (err < 0) {
+ dev_err(&pdev->dev, "missing xlnx,bus-width property\n");
return err;
}
+ if (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64 &&
+ chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128) {
+ dev_err(zdev->dev, "invalid bus-width value");
+ return -EINVAL;
+ }
+
chan->is_dmacoherent = of_property_read_bool(node, "dma-coherent");
zdev->chan = chan;
tasklet_init(&chan->tasklet, zynqmp_dma_do_tasklet, (ulong)chan);