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Commit 745ac1ea authored by Wim Van Sebroeck's avatar Wim Van Sebroeck
Browse files

[WATCHDOG] ib700wdt.c - convert to platform_device 



Convert the ib700wdt watchdog into a platform_device

Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent e42162a4

drivers/char/watchdog/ib700wdt.c

+47 −6
Original line number Diff line number Diff line
@@ -42,16 +42,20 @@ 
#include <linux/init.h>

#include <linux/spinlock.h>

#include <linux/moduleparam.h>

#include <linux/platform_device.h>



#include <asm/io.h>

#include <asm/uaccess.h>

#include <asm/system.h>



static struct platform_device *ibwdt_platform_device;

static unsigned long ibwdt_is_open;

static spinlock_t ibwdt_lock;

static char expect_close;



#define PFX "ib700wdt: "

/* Module information */

#define DRV_NAME "ib700wdt"

#define PFX DRV_NAME ": "



/*

 *
@@ -326,12 +330,10 @@ static struct notifier_block ibwdt_notifier = { 
 *	Init & exit routines

 */



static int __init ibwdt_init(void)

static int __devinit ibwdt_probe(struct platform_device *dev)

{

	int res;



	printk(KERN_INFO PFX "WDT driver for IB700 single board computer initialising.\n");



	spin_lock_init(&ibwdt_lock);



#if WDT_START != WDT_STOP
@@ -373,8 +375,7 @@ out_nostopreg: 
	return res;

}



static void __exit

ibwdt_exit(void)

static int __devexit ibwdt_remove(struct platform_device *dev)

{

	misc_deregister(&ibwdt_miscdev);

	unregister_reboot_notifier(&ibwdt_notifier);
@@ -382,6 +383,46 @@ ibwdt_exit(void) 
#if WDT_START != WDT_STOP

	release_region(WDT_STOP,1);

#endif

	return 0;

}



static struct platform_driver ibwdt_driver = {

	.probe		= ibwdt_probe,

	.remove		= __devexit_p(ibwdt_remove),

	.driver		= {

		.owner	= THIS_MODULE,

		.name	= DRV_NAME,

	},

};



static int __init ibwdt_init(void)

{

	int err;



	printk(KERN_INFO PFX "WDT driver for IB700 single board computer initialising.\n");



	err = platform_driver_register(&ibwdt_driver);

	if (err)

		return err;



	ibwdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);

	if (IS_ERR(ibwdt_platform_device)) {

		err = PTR_ERR(ibwdt_platform_device);

		goto unreg_platform_driver;

	}



	return 0;



unreg_platform_driver:

	platform_driver_unregister(&ibwdt_driver);

	return err;

}



static void __exit ibwdt_exit(void)

{

	platform_device_unregister(ibwdt_platform_device);

	platform_driver_unregister(&ibwdt_driver);

	printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");

}



module_init(ibwdt_init);