[kernel] modules/gpio-buttons: fix build error on older kernels

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10771 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 16 insertions, 13 deletions

diff --git a/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c b/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
index 0d219ff7c..83a817834 100644
--- a/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
+++ b/target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
@@ -15,10 +15,13 @@
  *
  */
 
+#include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
+
+#include <linux/input.h>
 #include <linux/input-polldev.h>
 #include <linux/ioport.h>
-#include <linux/module.h>
 #include <linux/platform_device.h>
 
 #include <linux/gpio_buttons.h>
@@ -26,7 +29,7 @@
 #include <asm/gpio.h>
 
 #define DRV_NAME	"gpio-buttons"
-#define DRV_VERSION	"0.1.0"
+#define DRV_VERSION	"0.1.1"
 #define PFX		DRV_NAME ": "
 
 struct gpio_buttons_dev {
@@ -80,13 +83,13 @@ static int __devinit gpio_buttons_probe(struct platform_device *pdev)
 
 	bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
 	if (!bdev) {
-		pr_err(DRV_NAME "no memory for device\n");
+		printk(KERN_ERR DRV_NAME "no memory for device\n");
 		return -ENOMEM;
 	}
 
 	poll_dev = input_allocate_polled_device();
 	if (!poll_dev) {
-		pr_err(DRV_NAME "no memory for polled device\n");
+		printk(KERN_ERR DRV_NAME "no memory for polled device\n");
 		error = -ENOMEM;
 		goto err_free_bdev;
 	}
@@ -97,7 +100,7 @@ static int __devinit gpio_buttons_probe(struct platform_device *pdev)
 
 	input = poll_dev->input;
 
-	input->evbit[0] = BIT_MASK(EV_KEY);
+	input->evbit[0] = BIT(EV_KEY);
 	input->name = pdev->name;
 	input->phys = "gpio-buttons/input0";
 	input->dev.parent = &pdev->dev;
@@ -115,15 +118,15 @@ static int __devinit gpio_buttons_probe(struct platform_device *pdev)
 		error = gpio_request(gpio, button->desc ?
 				button->desc : DRV_NAME);
 		if (error) {
-			pr_err(PFX "unable to claim gpio %u, error %d\n",
-				gpio, error);
+			printk(KERN_ERR PFX "unable to claim gpio %u, "
+				"error %d\n", gpio, error);
 			goto err_free_gpio;
 		}
 
 		error = gpio_direction_input(gpio);
 		if (error) {
-			pr_err(PFX "unable to set direction on gpio %u, "
-				"error %d\n", gpio, error);
+			printk(KERN_ERR PFX "unable to set direction on "
+				"gpio %u, error %d\n", gpio, error);
 			goto err_free_gpio;
 		}
 
@@ -137,8 +140,8 @@ static int __devinit gpio_buttons_probe(struct platform_device *pdev)
 
 	error = input_register_polled_device(poll_dev);
 	if (error) {
-		pr_err(PFX "unable to register polled device, error %d\n",
-			    error);
+		printk(KERN_ERR PFX "unable to register polled device, "
+			"error %d\n", error);
 		goto err_free_gpio;
 	}
 
@@ -152,7 +155,7 @@ err_free_gpio:
 
 err_free_bdev:
 	kfree(bdev);
-err:
+
 	platform_set_drvdata(pdev, NULL);
 	return error;
 }
@@ -187,7 +190,7 @@ static struct platform_driver gpio_buttons_driver = {
 
 static int __init gpio_buttons_init(void)
 {
-	pr_info(DRV_NAME " driver version " DRV_VERSION "\n");
+	printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
 	return platform_driver_register(&gpio_buttons_driver);
 }