gpio-langwell: amend error messages

There is no need to use hardcoded device name in the error messages, because
dev_err() prefixes the message with the device name anyway.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-langwell.c

@@ -347,7 +347,7 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
 
 	lnw = devm_kzalloc(&pdev->dev, sizeof(*lnw), GFP_KERNEL);
 	if (!lnw) {
-		dev_err(&pdev->dev, "can't allocate langwell_gpio chip data\n");
+		dev_err(&pdev->dev, "can't allocate chip data\n");
 		return -ENOMEM;
 	}
 
@@ -374,7 +374,7 @@ static int lnw_gpio_probe(struct pci_dev *pdev,
 	pci_set_drvdata(pdev, lnw);
 	retval = gpiochip_add(&lnw->chip);
 	if (retval) {
-		dev_err(&pdev->dev, "langwell gpiochip_add error %d\n", retval);
+		dev_err(&pdev->dev, "gpiochip_add error %d\n", retval);
 		return retval;
 	}
 
@@ -408,8 +408,7 @@ static int wp_gpio_probe(struct platform_device *pdev)
 
 	lnw = devm_kzalloc(&pdev->dev, sizeof(struct lnw_gpio), GFP_KERNEL);
 	if (!lnw) {
-		dev_err(&pdev->dev,
-			"can't allocate whitneypoint_gpio chip data\n");
+		dev_err(&pdev->dev, "can't allocate chip data\n");
 		return -ENOMEM;
 	}
 
@@ -432,8 +431,7 @@ static int wp_gpio_probe(struct platform_device *pdev)
 	gc->can_sleep = 0;
 	retval = gpiochip_add(gc);
 	if (retval) {
-		dev_err(&pdev->dev, "whitneypoint gpiochip_add error %d\n",
-								retval);
+		dev_err(&pdev->dev, "gpiochip_add error %d\n", retval);
 		return retval;
 	}
 	platform_set_drvdata(pdev, lnw);