dmaengine: xilinx_dpdma: Omit superfluous error message in xilinx_dpdma_probe()

In the function xilinx_dpdma_probe(), when get irq failed,
the function platform_get_irq() logs an error message,
so remove redundant message here.

Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20220519130855.7664-1-tangbin@cmss.chinamobile.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: Tang Bin

drivers/dma/xilinx/xilinx_dpdma.c

@@ -1652,10 +1652,8 @@ static int xilinx_dpdma_probe(struct platform_device *pdev)
 	dpdma_hw_init(xdev);
 
 	xdev->irq = platform_get_irq(pdev, 0);
-	if (xdev->irq < 0) {
-		dev_err(xdev->dev, "failed to get platform irq\n");
+	if (xdev->irq < 0)
 		return xdev->irq;
-	}
 
 	ret = request_irq(xdev->irq, xilinx_dpdma_irq_handler, IRQF_SHARED,
 			  dev_name(xdev->dev), xdev);