From caf5ee94be697f8df6d0292e19f3afa4d74745ce Mon Sep 17 00:00:00 2001 From: Kedareswara rao Appana Date: Thu, 14 Jul 2016 19:00:55 +0530 Subject: [PATCH] dmaengine: zynqmp_dma: Fix static checker warning This patch fixes the below static checker warning drivers/dma/xilinx/zynqmp_dma.c:973 zynqmp_dma_chan_probe() warn: was && intended here instead of ||? Reported-by: Dan Carpenter Signed-off-by: Kedareswara rao Appana Signed-off-by: Vinod Koul --- drivers/dma/xilinx/zynqmp_dma.c | 11 ++++++++--- 1 file 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); -- 2.20.1