Merge branch 'linus' into x86/gart

1 files changed, 0 insertions, 230 deletions

diff --git a/drivers/watchdog/mpc83xx_wdt.c b/drivers/watchdog/mpc83xx_wdt.c
deleted file mode 100644
index b16c5cd972e..00000000000
--- a/drivers/watchdog/mpc83xx_wdt.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * mpc83xx_wdt.c - MPC83xx watchdog userspace interface
- *
- * Authors: Dave Updegraff <dave@cray.org>
- * 	    Kumar Gala <galak@kernel.crashing.org>
- * 		Attribution: from 83xx_wst: Florian Schirmer <jolt@tuxbox.org>
- * 				..and from sc520_wdt
- *
- * Note: it appears that you can only actually ENABLE or DISABLE the thing
- * once after POR. Once enabled, you cannot disable, and vice versa.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/watchdog.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-struct mpc83xx_wdt {
-	__be32 res0;
-	__be32 swcrr; /* System watchdog control register */
-#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */
-#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit. */
-#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit.*/
-#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit. */
-	__be32 swcnr; /* System watchdog count register */
-	u8 res1[2];
-	__be16 swsrr; /* System watchdog service register */
-	u8 res2[0xF0];
-};
-
-static struct mpc83xx_wdt __iomem *wd_base;
-
-static u16 timeout = 0xffff;
-module_param(timeout, ushort, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in ticks. (0<timeout<65536, default=65535");
-
-static int reset = 1;
-module_param(reset, bool, 0);
-MODULE_PARM_DESC(reset, "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset");
-
-/*
- * We always prescale, but if someone really doesn't want to they can set this
- * to 0
- */
-static int prescale = 1;
-static unsigned int timeout_sec;
-
-static unsigned long wdt_is_open;
-static DEFINE_SPINLOCK(wdt_spinlock);
-
-static void mpc83xx_wdt_keepalive(void)
-{
-	/* Ping the WDT */
-	spin_lock(&wdt_spinlock);
-	out_be16(&wd_base->swsrr, 0x556c);
-	out_be16(&wd_base->swsrr, 0xaa39);
-	spin_unlock(&wdt_spinlock);
-}
-
-static ssize_t mpc83xx_wdt_write(struct file *file, const char __user *buf,
-				 size_t count, loff_t *ppos)
-{
-	if (count)
-		mpc83xx_wdt_keepalive();
-	return count;
-}
-
-static int mpc83xx_wdt_open(struct inode *inode, struct file *file)
-{
-	u32 tmp = SWCRR_SWEN;
-	if (test_and_set_bit(0, &wdt_is_open))
-		return -EBUSY;
-
-	/* Once we start the watchdog we can't stop it */
-	__module_get(THIS_MODULE);
-
-	/* Good, fire up the show */
-	if (prescale)
-		tmp |= SWCRR_SWPR;
-	if (reset)
-		tmp |= SWCRR_SWRI;
-
-	tmp |= timeout << 16;
-
-	out_be32(&wd_base->swcrr, tmp);
-
-	return nonseekable_open(inode, file);
-}
-
-static int mpc83xx_wdt_release(struct inode *inode, struct file *file)
-{
-	printk(KERN_CRIT "Unexpected close, not stopping watchdog!\n");
-	mpc83xx_wdt_keepalive();
-	clear_bit(0, &wdt_is_open);
-	return 0;
-}
-
-static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
-				unsigned int cmd, unsigned long arg)
-{
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	static struct watchdog_info ident = {
-		.options = WDIOF_KEEPALIVEPING,
-		.firmware_version = 1,
-		.identity = "MPC83xx",
-	};
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
-	case WDIOC_KEEPALIVE:
-		mpc83xx_wdt_keepalive();
-		return 0;
-	case WDIOC_GETTIMEOUT:
-		return put_user(timeout_sec, p);
-	default:
-		return -ENOTTY;
-	}
-}
-
-static const struct file_operations mpc83xx_wdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.write		= mpc83xx_wdt_write,
-	.ioctl		= mpc83xx_wdt_ioctl,
-	.open		= mpc83xx_wdt_open,
-	.release	= mpc83xx_wdt_release,
-};
-
-static struct miscdevice mpc83xx_wdt_miscdev = {
-	.minor	= WATCHDOG_MINOR,
-	.name	= "watchdog",
-	.fops	= &mpc83xx_wdt_fops,
-};
-
-static int __devinit mpc83xx_wdt_probe(struct platform_device *dev)
-{
-	struct resource *r;
-	int ret;
-	unsigned int *freq = dev->dev.platform_data;
-
-	/* get a pointer to the register memory */
-	r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-
-	if (!r) {
-		ret = -ENODEV;
-		goto err_out;
-	}
-
-	wd_base = ioremap(r->start, sizeof (struct mpc83xx_wdt));
-
-	if (wd_base == NULL) {
-		ret = -ENOMEM;
-		goto err_out;
-	}
-
-	ret = misc_register(&mpc83xx_wdt_miscdev);
-	if (ret) {
-		printk(KERN_ERR "cannot register miscdev on minor=%d "
-				"(err=%d)\n",
-				WATCHDOG_MINOR, ret);
-		goto err_unmap;
-	}
-
-	/* Calculate the timeout in seconds */
-	if (prescale)
-		timeout_sec = (timeout * 0x10000) / (*freq);
-	else
-		timeout_sec = timeout / (*freq);
-
-	printk(KERN_INFO "WDT driver for MPC83xx initialized. "
-		"mode:%s timeout=%d (%d seconds)\n",
-		reset ? "reset":"interrupt", timeout, timeout_sec);
-	return 0;
-
-err_unmap:
-	iounmap(wd_base);
-err_out:
-	return ret;
-}
-
-static int __devexit mpc83xx_wdt_remove(struct platform_device *dev)
-{
-	misc_deregister(&mpc83xx_wdt_miscdev);
-	iounmap(wd_base);
-
-	return 0;
-}
-
-static struct platform_driver mpc83xx_wdt_driver = {
-	.probe		= mpc83xx_wdt_probe,
-	.remove		= __devexit_p(mpc83xx_wdt_remove),
-	.driver		= {
-		.name	= "mpc83xx_wdt",
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init mpc83xx_wdt_init(void)
-{
-	return platform_driver_register(&mpc83xx_wdt_driver);
-}
-
-static void __exit mpc83xx_wdt_exit(void)
-{
-	platform_driver_unregister(&mpc83xx_wdt_driver);
-}
-
-module_init(mpc83xx_wdt_init);
-module_exit(mpc83xx_wdt_exit);
-
-MODULE_AUTHOR("Dave Updegraff, Kumar Gala");
-MODULE_DESCRIPTION("Driver for watchdog timer in MPC83xx uProcessor");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS("platform:mpc83xx_wdt");