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Commit 59ca1b0d authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Wim Van Sebroeck
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[WATCHDOG] mpc8xxx_wdt: various renames, mostly s/mpc83xx/mpc8xxx/g



mpc83xx_wdt.c renamed to mpc8xxx_wdt.c, now we can do various renames in
the file itself.

Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 28acd02f
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+52 −52
Original line number Diff line number Diff line
/*
 * mpc83xx_wdt.c - MPC83xx/MPC86xx watchdog userspace interface
 * mpc8xxx_wdt.c - MPC83xx/MPC86xx watchdog userspace interface
 *
 * Authors: Dave Updegraff <dave@cray.org>
 * 	    Kumar Gala <galak@kernel.crashing.org>
@@ -29,7 +29,7 @@
#include <linux/uaccess.h>
#include <sysdev/fsl_soc.h>

struct mpc83xx_wdt {
struct mpc8xxx_wdt {
	__be32 res0;
	__be32 swcrr; /* System watchdog control register */
#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */
@@ -42,12 +42,12 @@ struct mpc83xx_wdt {
	u8 res2[0xF0];
};

struct mpc83xx_wdt_type {
struct mpc8xxx_wdt_type {
	int prescaler;
	bool hw_enabled;
};

static struct mpc83xx_wdt __iomem *wd_base;
static struct mpc8xxx_wdt __iomem *wd_base;

static u16 timeout = 0xffff;
module_param(timeout, ushort, 0);
@@ -74,7 +74,7 @@ static unsigned int timeout_sec;
static unsigned long wdt_is_open;
static DEFINE_SPINLOCK(wdt_spinlock);

static void mpc83xx_wdt_keepalive(void)
static void mpc8xxx_wdt_keepalive(void)
{
	/* Ping the WDT */
	spin_lock(&wdt_spinlock);
@@ -83,31 +83,31 @@ static void mpc83xx_wdt_keepalive(void)
	spin_unlock(&wdt_spinlock);
}

static void mpc83xx_wdt_timer_ping(unsigned long arg);
static DEFINE_TIMER(wdt_timer, mpc83xx_wdt_timer_ping, 0, 0);
static void mpc8xxx_wdt_timer_ping(unsigned long arg);
static DEFINE_TIMER(wdt_timer, mpc8xxx_wdt_timer_ping, 0, 0);

static void mpc83xx_wdt_timer_ping(unsigned long arg)
static void mpc8xxx_wdt_timer_ping(unsigned long arg)
{
	mpc83xx_wdt_keepalive();
	mpc8xxx_wdt_keepalive();
	/* We're pinging it twice faster than needed, just to be sure. */
	mod_timer(&wdt_timer, jiffies + HZ * timeout_sec / 2);
}

static void mpc83xx_wdt_pr_warn(const char *msg)
static void mpc8xxx_wdt_pr_warn(const char *msg)
{
	pr_crit("mpc83xx_wdt: %s, expect the %s soon!\n", msg,
	pr_crit("mpc8xxx_wdt: %s, expect the %s soon!\n", msg,
		reset ? "reset" : "machine check exception");
}

static ssize_t mpc83xx_wdt_write(struct file *file, const char __user *buf,
static ssize_t mpc8xxx_wdt_write(struct file *file, const char __user *buf,
				 size_t count, loff_t *ppos)
{
	if (count)
		mpc83xx_wdt_keepalive();
		mpc8xxx_wdt_keepalive();
	return count;
}

static int mpc83xx_wdt_open(struct inode *inode, struct file *file)
static int mpc8xxx_wdt_open(struct inode *inode, struct file *file)
{
	u32 tmp = SWCRR_SWEN;
	if (test_and_set_bit(0, &wdt_is_open))
@@ -132,17 +132,17 @@ static int mpc83xx_wdt_open(struct inode *inode, struct file *file)
	return nonseekable_open(inode, file);
}

static int mpc83xx_wdt_release(struct inode *inode, struct file *file)
static int mpc8xxx_wdt_release(struct inode *inode, struct file *file)
{
	if (!nowayout)
		mpc83xx_wdt_timer_ping(0);
		mpc8xxx_wdt_timer_ping(0);
	else
		mpc83xx_wdt_pr_warn("watchdog closed");
		mpc8xxx_wdt_pr_warn("watchdog closed");
	clear_bit(0, &wdt_is_open);
	return 0;
}

static long mpc83xx_wdt_ioctl(struct file *file, unsigned int cmd,
static long mpc8xxx_wdt_ioctl(struct inode *inode, struct file *file,
							unsigned long arg)
{
	void __user *argp = (void __user *)arg;
@@ -150,7 +150,7 @@ static long mpc83xx_wdt_ioctl(struct file *file, unsigned int cmd,
	static struct watchdog_info ident = {
		.options = WDIOF_KEEPALIVEPING,
		.firmware_version = 1,
		.identity = "MPC83xx",
		.identity = "MPC8xxx",
	};

	switch (cmd) {
@@ -160,7 +160,7 @@ static long mpc83xx_wdt_ioctl(struct file *file, unsigned int cmd,
	case WDIOC_GETBOOTSTATUS:
		return put_user(0, p);
	case WDIOC_KEEPALIVE:
		mpc83xx_wdt_keepalive();
		mpc8xxx_wdt_keepalive();
		return 0;
	case WDIOC_GETTIMEOUT:
		return put_user(timeout_sec, p);
@@ -169,27 +169,27 @@ static long mpc83xx_wdt_ioctl(struct file *file, unsigned int cmd,
	}
}

static const struct file_operations mpc83xx_wdt_fops = {
static const struct file_operations mpc8xxx_wdt_fops = {
	.owner		= THIS_MODULE,
	.llseek		= no_llseek,
	.write		= mpc83xx_wdt_write,
	.unlocked_ioctl	= mpc83xx_wdt_ioctl,
	.open		= mpc83xx_wdt_open,
	.release	= mpc83xx_wdt_release,
	.write		= mpc8xxx_wdt_write,
	.unlocked_ioctl	= mpc8xxx_wdt_ioctl,
	.open		= mpc8xxx_wdt_open,
	.release	= mpc8xxx_wdt_release,
};

static struct miscdevice mpc83xx_wdt_miscdev = {
static struct miscdevice mpc8xxx_wdt_miscdev = {
	.minor	= WATCHDOG_MINOR,
	.name	= "watchdog",
	.fops	= &mpc83xx_wdt_fops,
	.fops	= &mpc8xxx_wdt_fops,
};

static int __devinit mpc83xx_wdt_probe(struct of_device *ofdev,
static int __devinit mpc8xxx_wdt_probe(struct of_device *ofdev,
				       const struct of_device_id *match)
{
	int ret;
	struct device_node *np = ofdev->node;
	struct mpc83xx_wdt_type *wdt_type = match->data;
	struct mpc8xxx_wdt_type *wdt_type = match->data;
	u32 freq = fsl_get_sys_freq();
	bool enabled;

@@ -202,12 +202,12 @@ static int __devinit mpc83xx_wdt_probe(struct of_device *ofdev,

	enabled = in_be32(&wd_base->swcrr) & SWCRR_SWEN;
	if (!enabled && wdt_type->hw_enabled) {
		pr_info("mpc83xx_wdt: could not be enabled in software\n");
		pr_info("mpc8xxx_wdt: could not be enabled in software\n");
		ret = -ENOSYS;
		goto err_unmap;
	}

	ret = misc_register(&mpc83xx_wdt_miscdev);
	ret = misc_register(&mpc8xxx_wdt_miscdev);
	if (ret) {
		pr_err("cannot register miscdev on minor=%d (err=%d)\n",
			WATCHDOG_MINOR, ret);
@@ -220,73 +220,73 @@ static int __devinit mpc83xx_wdt_probe(struct of_device *ofdev,
	else
		timeout_sec = timeout / freq;

	pr_info("WDT driver for MPC83xx initialized. mode:%s timeout=%d "
	pr_info("WDT driver for MPC8xxx initialized. mode:%s timeout=%d "
		"(%d seconds)\n", reset ? "reset" : "interrupt", timeout,
		timeout_sec);

	/*
	 * If the watchdog was previously enabled or we're running on
	 * MPC86xx, we should ping the wdt from the kernel until the
	 * MPC8xxx, we should ping the wdt from the kernel until the
	 * userspace handles it.
	 */
	if (enabled)
		mpc83xx_wdt_timer_ping(0);
		mpc8xxx_wdt_timer_ping(0);
	return 0;
err_unmap:
	iounmap(wd_base);
	return ret;
}

static int __devexit mpc83xx_wdt_remove(struct of_device *ofdev)
static int __devexit mpc8xxx_wdt_remove(struct of_device *ofdev)
{
	mpc83xx_wdt_pr_warn("watchdog removed");
	mpc8xxx_wdt_pr_warn("watchdog removed");
	del_timer_sync(&wdt_timer);
	misc_deregister(&mpc83xx_wdt_miscdev);
	misc_deregister(&mpc8xxx_wdt_miscdev);
	iounmap(wd_base);

	return 0;
}

static const struct of_device_id mpc83xx_wdt_match[] = {
static const struct of_device_id mpc8xxx_wdt_match[] = {
	{
		.compatible = "mpc83xx_wdt",
		.data = &(struct mpc83xx_wdt_type) {
		.data = &(struct mpc8xxx_wdt_type) {
			.prescaler = 0x10000,
		},
	},
	{
		.compatible = "fsl,mpc8610-wdt",
		.data = &(struct mpc83xx_wdt_type) {
		.data = &(struct mpc8xxx_wdt_type) {
			.prescaler = 0x10000,
			.hw_enabled = true,
		},
	},
	{},
};
MODULE_DEVICE_TABLE(of, mpc83xx_wdt_match);
MODULE_DEVICE_TABLE(of, mpc8xxx_wdt_match);

static struct of_platform_driver mpc83xx_wdt_driver = {
	.match_table	= mpc83xx_wdt_match,
	.probe		= mpc83xx_wdt_probe,
	.remove		= __devexit_p(mpc83xx_wdt_remove),
static struct of_platform_driver mpc8xxx_wdt_driver = {
	.match_table	= mpc8xxx_wdt_match,
	.probe		= mpc8xxx_wdt_probe,
	.remove		= __devexit_p(mpc8xxx_wdt_remove),
	.driver		= {
		.name	= "mpc83xx_wdt",
		.name	= "mpc8xxx_wdt",
		.owner	= THIS_MODULE,
	},
};

static int __init mpc83xx_wdt_init(void)
static int __init mpc8xxx_wdt_init(void)
{
	return of_register_platform_driver(&mpc83xx_wdt_driver);
	return of_register_platform_driver(&mpc8xxx_wdt_driver);
}

static void __exit mpc83xx_wdt_exit(void)
static void __exit mpc8xxx_wdt_exit(void)
{
	of_unregister_platform_driver(&mpc83xx_wdt_driver);
	of_unregister_platform_driver(&mpc8xxx_wdt_driver);
}

subsys_initcall(mpc83xx_wdt_init);
module_exit(mpc83xx_wdt_exit);
subsys_initcall(mpc8xxx_wdt_init);
module_exit(mpc8xxx_wdt_exit);

MODULE_AUTHOR("Dave Updegraff, Kumar Gala");
MODULE_DESCRIPTION("Driver for watchdog timer in MPC83xx/MPC86xx uProcessors");