[PATCH] dmaengine: zynqmp_dma: fix error return code in zynqmp_dma_chan_probe()

[Gustavo A. R. Silva]

Print error message and propagate the return value of
platform_get_irq on failure.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/dma/xilinx/zynqmp_dma.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index 6d221e5..5fa6d0d 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -996,8 +996,11 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device 
*zdev,
 
        zynqmp_dma_init(chan);
        chan->irq = platform_get_irq(pdev, 0);
-       if (chan->irq < 0)
-               return -ENXIO;
+       if (chan->irq < 0) {
+               dev_err(&pdev->dev, "failed to get IRQ: %d\n", chan->irq);
+               return chan->irq;
+       }
+
        err = devm_request_irq(&pdev->dev, chan->irq, zynqmp_dma_irq_handler, 0,
                               "zynqmp-dma", chan);
        if (err)
-- 
2.5.0