i2c: busses: remove duplicate dev_err()

it will print an error message by itself when platform_get_irq()
goes wrong. so don't need dev_err() in here again.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Markus Elfring <Markus.Elfring@web.de>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-altera.c

@@ -394,10 +394,8 @@ static int altr_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(idev->base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "missing interrupt resource\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	idev->i2c_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(idev->i2c_clk)) {

drivers/i2c/busses/i2c-axxia.c

@@ -746,10 +746,8 @@ static int axxia_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(base);
 
 	idev->irq = platform_get_irq(pdev, 0);
-	if (idev->irq < 0) {
-		dev_err(&pdev->dev, "missing interrupt resource\n");
+	if (idev->irq < 0)
 		return idev->irq;
-	}
 
 	idev->i2c_clk = devm_clk_get(&pdev->dev, "i2c");
 	if (IS_ERR(idev->i2c_clk)) {

drivers/i2c/busses/i2c-bcm-kona.c

@@ -821,8 +821,7 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev)
 	/* Get the interrupt number */
 	dev->irq = platform_get_irq(pdev, 0);
 	if (dev->irq < 0) {
-		dev_err(dev->device, "no irq resource\n");
-		rc = -ENODEV;
+		rc = dev->irq;
 		goto probe_disable_clk;
 	}
 

drivers/i2c/busses/i2c-cht-wc.c

@@ -314,10 +314,8 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
 	int ret, reg, irq;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "Error missing irq resource\n");
-		return -EINVAL;
-	}
+	if (irq < 0)
+		return irq;
 
 	adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL);
 	if (!adap)

drivers/i2c/busses/i2c-img-scb.c

@@ -1342,10 +1342,8 @@ static int img_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c->base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "can't get irq number\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	i2c->sys_clk = devm_clk_get(&pdev->dev, "sys");
 	if (IS_ERR(i2c->sys_clk)) {

drivers/i2c/busses/i2c-imx-lpi2c.c

@@ -551,10 +551,8 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
 		return PTR_ERR(lpi2c_imx->base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "can't get irq number\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	lpi2c_imx->adapter.owner	= THIS_MODULE;
 	lpi2c_imx->adapter.algo		= &lpi2c_imx_algo;

drivers/i2c/busses/i2c-lpc2k.c

@@ -360,10 +360,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c->base);
 
 	i2c->irq = platform_get_irq(pdev, 0);
-	if (i2c->irq < 0) {
-		dev_err(&pdev->dev, "can't get interrupt resource\n");
+	if (i2c->irq < 0)
 		return i2c->irq;
-	}
 
 	init_waitqueue_head(&i2c->wait);
 

drivers/i2c/busses/i2c-meson.c

@@ -426,10 +426,8 @@ static int meson_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c->regs);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "can't find IRQ\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	ret = devm_request_irq(&pdev->dev, irq, meson_i2c_irq, 0, NULL, i2c);
 	if (ret < 0) {

drivers/i2c/busses/i2c-omap.c

@@ -1365,10 +1365,8 @@ omap_i2c_probe(struct platform_device *pdev)
 	u16 minor, major;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no irq resource?\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	omap = devm_kzalloc(&pdev->dev, sizeof(struct omap_i2c_dev), GFP_KERNEL);
 	if (!omap)

drivers/i2c/busses/i2c-owl.c

@@ -407,10 +407,8 @@ static int owl_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get IRQ number\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	if (of_property_read_u32(dev->of_node, "clock-frequency",
 				 &i2c_dev->bus_freq))

drivers/i2c/busses/i2c-pnx.c

@@ -720,7 +720,6 @@ static int i2c_pnx_probe(struct platform_device *pdev)
 
 	alg_data->irq = platform_get_irq(pdev, 0);
 	if (alg_data->irq < 0) {
-		dev_err(&pdev->dev, "Failed to get IRQ from platform resource\n");
 		ret = alg_data->irq;
 		goto out_clock;
 	}

drivers/i2c/busses/i2c-pxa.c

@@ -1267,10 +1267,8 @@ static int i2c_pxa_probe(struct platform_device *dev)
 		return PTR_ERR(i2c->reg_base);
 
 	irq = platform_get_irq(dev, 0);
-	if (irq < 0) {
-		dev_err(&dev->dev, "no irq resource: %d\n", irq);
+	if (irq < 0)
 		return irq;
-	}
 
 	/* Default adapter num to device id; i2c_pxa_probe_dt can override. */
 	i2c->adap.nr = dev->id;

drivers/i2c/busses/i2c-qup.c

@@ -1761,10 +1761,8 @@ static int qup_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(qup->base);
 
 	qup->irq = platform_get_irq(pdev, 0);
-	if (qup->irq < 0) {
-		dev_err(qup->dev, "No IRQ defined\n");
+	if (qup->irq < 0)
 		return qup->irq;
-	}
 
 	if (has_acpi_companion(qup->dev)) {
 		ret = device_property_read_u32(qup->dev,

drivers/i2c/busses/i2c-rk3x.c

@@ -1260,10 +1260,8 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
 
 	/* IRQ setup */
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "cannot find rk3x IRQ\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	ret = devm_request_irq(&pdev->dev, irq, rk3x_i2c_irq,
 			       0, dev_name(&pdev->dev), i2c);

drivers/i2c/busses/i2c-sprd.c

@@ -492,10 +492,8 @@ static int sprd_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->base);
 
 	i2c_dev->irq = platform_get_irq(pdev, 0);
-	if (i2c_dev->irq < 0) {
-		dev_err(&pdev->dev, "failed to get irq resource\n");
+	if (i2c_dev->irq < 0)
 		return i2c_dev->irq;
-	}
 
 	i2c_set_adapdata(&i2c_dev->adap, i2c_dev);
 	init_completion(&i2c_dev->complete);

drivers/i2c/busses/i2c-sun6i-p2wi.c

@@ -236,10 +236,8 @@ static int p2wi_probe(struct platform_device *pdev)
 
 	strlcpy(p2wi->adapter.name, pdev->name, sizeof(p2wi->adapter.name));
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to retrieve irq: %d\n", irq);
+	if (irq < 0)
 		return irq;
-	}
 
 	p2wi->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(p2wi->clk)) {

drivers/i2c/busses/i2c-synquacer.c

@@ -578,10 +578,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c->base);
 
 	i2c->irq = platform_get_irq(pdev, 0);
-	if (i2c->irq < 0) {
-		dev_err(&pdev->dev, "no IRQ resource found\n");
+	if (i2c->irq < 0)
 		return -ENODEV;
-	}
 
 	ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr,
 			       0, dev_name(&pdev->dev), i2c);

drivers/i2c/busses/i2c-uniphier-f.c

@@ -529,10 +529,8 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->membase);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get IRQ number\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	if (of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed))
 		bus_speed = I2C_MAX_STANDARD_MODE_FREQ;

drivers/i2c/busses/i2c-uniphier.c

@@ -324,10 +324,8 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->membase);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get IRQ number\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	if (of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed))
 		bus_speed = I2C_MAX_STANDARD_MODE_FREQ;

drivers/i2c/busses/i2c-xlp9xx.c

@@ -517,10 +517,8 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->base);
 
 	priv->irq = platform_get_irq(pdev, 0);
-	if (priv->irq <= 0) {
-		dev_err(&pdev->dev, "invalid irq!\n");
+	if (priv->irq <= 0)
 		return priv->irq;
-	}
 	/* SMBAlert irq */
 	priv->alert_data.irq = platform_get_irq(pdev, 1);
 	if (priv->alert_data.irq <= 0)