Input: gpio_keys - use dev_ macros to report information

The gpio_keys driver is binding to a platform device but using pr_err()
to report errors. Change to using dev_err() so that all messages are
prefixed by the device name.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 77d130914259..5c8e2113cb34 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -78,6 +78,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 {
         struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
         struct gpio_keys_drvdata *ddata;
+        struct device *dev = &pdev->dev;
         struct input_dev *input;
         int i, error;
         int wakeup = 0;
@@ -87,6 +88,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
                         GFP_KERNEL);
         input = input_allocate_device();
         if (!ddata || !input) {
+                dev_err(dev, "failed to allocate state\n");
                 error = -ENOMEM;
                 goto fail1;
         }
@@ -122,14 +124,14 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 
                 error = gpio_request(button->gpio, button->desc ?: "gpio_keys");
                 if (error < 0) {
-                        pr_err("gpio-keys: failed to request GPIO %d,"
-                                " error %d\n", button->gpio, error);
+                        dev_err(dev, "failed to request GPIO %d, error %d\n",
+                                button->gpio, error);
                         goto fail2;
                 }
 
                 error = gpio_direction_input(button->gpio);
                 if (error < 0) {
-                        pr_err("gpio-keys: failed to configure input"
+                        dev_err(dev, "failed to configure"
                                 " direction for GPIO %d, error %d\n",
                                 button->gpio, error);
                         gpio_free(button->gpio);
@@ -139,8 +141,8 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
                 irq = gpio_to_irq(button->gpio);
                 if (irq < 0) {
                         error = irq;
-                        pr_err("gpio-keys: Unable to get irq number"
-                                " for GPIO %d, error %d\n",
+                        dev_err(dev, "Unable to get irq number "
+                                "for GPIO %d, error %d\n",
                                 button->gpio, error);
                         gpio_free(button->gpio);
                         goto fail2;
@@ -152,7 +154,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
                                     button->desc ? button->desc : "gpio_keys",
                                     bdata);
                 if (error) {
-                        pr_err("gpio-keys: Unable to claim irq %d; error %d\n",
+                        dev_err(dev, "Unable to claim irq %d; error %d\n",
                                 irq, error);
                         gpio_free(button->gpio);
                         goto fail2;
@@ -166,7 +168,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 
         error = input_register_device(input);
         if (error) {
-                pr_err("gpio-keys: Unable to register input device, "
+                dev_err(dev, "Unable to register input device, "
                         "error: %d\n", error);
                 goto fail2;
         }