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Code Issues

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

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SVN-Revision: 10771
This commit is contained in:
Gabor Juhos 2008-04-08 11:49:22 +00:00
parent 2e8af76a60
commit 832ba73685
1 changed files with 16 additions and 13 deletions
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29
target/linux/generic-2.6/files/drivers/input/misc/gpio_buttons.c
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@ -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);
}