i2c: davinci: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-davinci.c

@@ -768,10 +768,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	if (irq <= 0) {
 		if (!irq)
 			irq = -ENXIO;
-		if (irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"can't get irq resource ret=%d\n", irq);
-		return irq;
+		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
 	}
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),