From 79670e1e13de9f49a610f903feaedc3e8f60d632 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 18 Oct 2008 21:43:30 +0000
Subject: change the way ./files* and the generic kernel files are applied.
./files now applies to *ALL* kernel versions, and is copied along with
./files-* - this gets rid of quite a bit of redundancy in the extra kernel
drivers.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13010 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../files/drivers/char/watchdog/rc32434_wdt.c | 240 ---------------------
1 file changed, 240 deletions(-)
delete mode 100644 target/linux/rb532/files/drivers/char/watchdog/rc32434_wdt.c
(limited to 'target/linux/rb532/files/drivers/char')
diff --git a/target/linux/rb532/files/drivers/char/watchdog/rc32434_wdt.c b/target/linux/rb532/files/drivers/char/watchdog/rc32434_wdt.c
deleted file mode 100644
index 2266329de..000000000
--- a/target/linux/rb532/files/drivers/char/watchdog/rc32434_wdt.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * RC32434_WDT 0.01: IDT Interprise 79RC32434 watchdog driver
- * Copyright (c) Ondrej Zajicek <santiago@crfreenet.org>, 2006
- *
- * based on
- *
- * SoftDog 0.05: A Software Watchdog Device
- *
- * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved.
- *
- * 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/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/reboot.h>
-#include <linux/smp_lock.h>
-#include <linux/init.h>
-#include <asm/bootinfo.h>
-#include <asm/time.h>
-#include <asm/uaccess.h>
-#include <asm/rc32434/integ.h>
-
-#define DEFAULT_TIMEOUT 15 /* (secs) Default is 15 seconds */
-#define MAX_TIMEOUT 20
-/*
- * (secs) Max is 20 seconds
- * (max frequency of counter is ~200 MHz, counter is 32-bit unsigned int)
- */
-
-#define NAME "rc32434_wdt"
-#define VERSION "0.1"
-
-static INTEG_t rc_wdt = (INTEG_t) INTEG_VirtualAddress;
-
-static int expect_close = 0;
-static int access = 0;
-static int timeout = 0;
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-MODULE_LICENSE("GPL");
-
-
-static inline void start_wdt(void)
-{
- rc_wdt -> wtcount = 0;
- rc_wdt -> errcs |= ERRCS_wre_m;
- rc_wdt -> wtc |= WTC_en_m;
-}
-
-static inline void stop_wdt(void)
-{
- rc_wdt -> wtc &= ~WTC_en_m;
- rc_wdt -> errcs &= ~ERRCS_wre_m;
-}
-
-static inline void set_wdt(int new_timeout)
-{
- u32 cmp = new_timeout * mips_hpt_frequency;
- u32 state;
-
- timeout = new_timeout;
- /*
- * store and disable WTC
- */
- state = rc_wdt -> wtc & WTC_en_m;
- rc_wdt -> wtc &= ~WTC_en_m;
-
- rc_wdt -> wtcount = 0;
- rc_wdt -> wtcompare = cmp;
-
- /*
- * restore WTC
- */
- rc_wdt -> wtc |= state;
-}
-
-static inline void update_wdt(void)
-{
- rc_wdt -> wtcount = 0;
-}
-
-/*
- * Allow only one person to hold it open
- */
-
-static int wdt_open(struct inode *inode, struct file *file)
-{
- if (access)
- return -EBUSY;
- if (nowayout) {
- __module_get(THIS_MODULE);
- }
- /*
- * Activate timer
- */
- start_wdt();
- printk(KERN_INFO NAME ": enabling watchdog timer\n");
- access = 1;
- return 0;
-}
-
-static int wdt_release(struct inode *inode, struct file *file)
-{
- /*
- * Shut off the timer.
- * Lock it in if it's a module and we set nowayout
- */
- if (expect_close && nowayout == 0) {
- stop_wdt ();
- printk(KERN_INFO NAME ": disabling watchdog timer\n");
- module_put(THIS_MODULE);
- } else {
- printk (KERN_CRIT NAME ": device closed unexpectedly. WDT will not stop!\n");
- }
- access = 0;
- return 0;
-}
-
-static ssize_t wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
-{
- /*
- * Refresh the timer.
- */
- if (len) {
- if (!nowayout) {
- size_t i;
-
- /* In case it was set long ago */
- expect_close = 0;
-
- for (i = 0; i != len; i++) {
- char c;
- if (get_user(c, data + i))
- return -EFAULT;
- if (c == 'V')
- expect_close = 1;
- }
- }
- update_wdt ();
- return len;
- }
- return 0;
-}
-
-static int wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- int new_timeout;
- static struct watchdog_info ident = {
- .options = WDIOF_SETTIMEOUT |
- WDIOF_KEEPALIVEPING |
- WDIOF_MAGICCLOSE,
- .firmware_version = 0,
- .identity = "RC32434_WDT Watchdog",
- };
- switch (cmd) {
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- if(copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident)))
- return -EFAULT;
- return 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0,(int *)arg);
- case WDIOC_KEEPALIVE:
- update_wdt();
- return 0;
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, (int *)arg))
- return -EFAULT;
- if (new_timeout < 1)
- return -EINVAL;
- if (new_timeout > MAX_TIMEOUT)
- return -EINVAL;
- set_wdt(new_timeout);
- /* Fall */
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, (int *)arg);
- }
-}
-
-static struct file_operations wdt_fops = {
- owner: THIS_MODULE,
- llseek: no_llseek,
- write: wdt_write,
- ioctl: wdt_ioctl,
- open: wdt_open,
- release: wdt_release,
-};
-
-static struct miscdevice wdt_miscdev = {
- minor: WATCHDOG_MINOR,
- name: "watchdog",
- fops: &wdt_fops,
-};
-
-static char banner[] __initdata = KERN_INFO NAME ": Watchdog Timer version " VERSION ", timer margin: %d sec\n";
-
-static int __init watchdog_init(void)
-{
- int ret;
-
- /*
- * There should be check for RC32434 SoC
- */
- if (mips_machgroup != MACH_GROUP_MIKROTIK) return -1;
-
- ret = misc_register(&wdt_miscdev);
-
- if (ret)
- return ret;
-
- stop_wdt();
- set_wdt(DEFAULT_TIMEOUT);
-
- printk(banner, timeout);
-
- return 0;
-}
-
-static void __exit watchdog_exit(void)
-{
- misc_deregister(&wdt_miscdev);
-}
-
-module_init(watchdog_init);
-module_exit(watchdog_exit);
--
cgit v1.2.3