[WATCHDOG] More coding-style and trivial clean-up
Some more cleaning-up of the watchdog drivers. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck
parent
d5c26a5977
commit
143a2e54bf
34 changed files with 340 additions and 232 deletions
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@ -1,7 +1,7 @@
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/*
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* Acquire Single Board Computer Watchdog Timer driver
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*
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* Based on wdt.c. Original copyright messages:
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* Based on wdt.c. Original copyright messages:
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*
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* (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
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* All Rights Reserved.
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@ -17,9 +17,9 @@
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*
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* (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk>
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*
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* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
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* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
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* Can't add timeout - driver doesn't allow changing value
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* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
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* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
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* Can't add timeout - driver doesn't allow changing value
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*/
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/*
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@ -138,7 +138,9 @@ static long advwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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void __user *argp = (void __user *)arg;
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int __user *p = argp;
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static struct watchdog_info ident = {
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.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
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.options = WDIOF_KEEPALIVEPING |
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WDIOF_SETTIMEOUT |
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WDIOF_MAGICCLOSE,
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.firmware_version = 1,
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.identity = WATCHDOG_NAME,
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};
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@ -259,7 +261,8 @@ static int __devinit advwdt_probe(struct platform_device *dev)
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goto unreg_stop;
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}
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/* Check that the heartbeat value is within it's range ; if not reset to the default */
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/* Check that the heartbeat value is within it's range ;
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* if not reset to the default */
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if (advwdt_set_heartbeat(timeout)) {
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advwdt_set_heartbeat(WATCHDOG_TIMEOUT);
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printk(KERN_INFO PFX
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@ -60,7 +60,7 @@ static void ali_start(void)
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pci_read_config_dword(ali_pci, 0xCC, &val);
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val &= ~0x3F; /* Mask count */
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val |= (1<<25) | ali_timeout_bits;
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val |= (1 << 25) | ali_timeout_bits;
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pci_write_config_dword(ali_pci, 0xCC, val);
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spin_unlock(&ali_lock);
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@ -79,8 +79,8 @@ static void ali_stop(void)
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spin_lock(&ali_lock);
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pci_read_config_dword(ali_pci, 0xCC, &val);
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val &= ~0x3F; /* Mask count to zero (disabled) */
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val &= ~(1<<25);/* and for safety mask the reset enable */
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val &= ~0x3F; /* Mask count to zero (disabled) */
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val &= ~(1 << 25); /* and for safety mask the reset enable */
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pci_write_config_dword(ali_pci, 0xCC, val);
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spin_unlock(&ali_lock);
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@ -89,7 +89,7 @@ static void ali_stop(void)
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/*
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* ali_keepalive - send a keepalive to the watchdog
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*
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* Send a keepalive to the timer (actually we restart the timer).
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* Send a keepalive to the timer (actually we restart the timer).
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*/
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static void ali_keepalive(void)
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@ -109,11 +109,11 @@ static int ali_settimer(int t)
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if (t < 0)
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return -EINVAL;
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else if (t < 60)
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ali_timeout_bits = t|(1<<6);
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ali_timeout_bits = t|(1 << 6);
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else if (t < 3600)
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ali_timeout_bits = (t/60)|(1<<7);
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ali_timeout_bits = (t / 60)|(1 << 7);
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else if (t < 18000)
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ali_timeout_bits = (t/300)|(1<<6)|(1<<7);
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ali_timeout_bits = (t / 300)|(1 << 6)|(1 << 7);
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else
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return -EINVAL;
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@ -138,7 +138,7 @@ static int ali_settimer(int t)
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*/
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static ssize_t ali_write(struct file *file, const char __user *data,
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size_t len, loff_t *ppos)
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size_t len, loff_t *ppos)
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{
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/* See if we got the magic character 'V' and reload the timer */
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if (len) {
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@ -348,9 +348,9 @@ static int __init ali_find_watchdog(void)
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/* Timer bits */
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wdog &= ~0x3F;
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/* Issued events */
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wdog &= ~((1<<27)|(1<<26)|(1<<25)|(1<<24));
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wdog &= ~((1 << 27)|(1 << 26)|(1 << 25)|(1 << 24));
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/* No monitor bits */
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wdog &= ~((1<<16)|(1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9));
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wdog &= ~((1 << 16)|(1 << 13)|(1 << 12)|(1 << 11)|(1 << 10)|(1 << 9));
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pci_write_config_dword(pdev, 0xCC, wdog);
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@ -355,7 +355,8 @@ static int __init alim7101_wdt_init(void)
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alim7101_pmu = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
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NULL);
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if (!alim7101_pmu) {
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printk(KERN_INFO PFX "ALi M7101 PMU not present - WDT not set\n");
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printk(KERN_INFO PFX
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"ALi M7101 PMU not present - WDT not set\n");
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return -EBUSY;
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}
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@ -399,7 +400,8 @@ static int __init alim7101_wdt_init(void)
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rc = misc_register(&wdt_miscdev);
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if (rc) {
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printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
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printk(KERN_ERR PFX
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"cannot register miscdev on minor=%d (err=%d)\n",
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wdt_miscdev.minor, rc);
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goto err_out_reboot;
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}
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@ -201,7 +201,7 @@ static long at91_wdt_ioctl(struct file *file,
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* Pat the watchdog whenever device is written to.
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*/
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static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len,
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loff_t *ppos)
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loff_t *ppos)
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{
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if (!len)
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return 0;
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@ -8,19 +8,19 @@
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* Based on wdt.c.
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* Original copyright messages:
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*
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* (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>,
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* (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>,
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
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* warranty for any of this software. This material is provided
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* "AS-IS" and at no charge.
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* Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
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* warranty for any of this software. This material is provided
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* "AS-IS" and at no charge.
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*
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* (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk>*
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* (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk>*
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*/
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/* Changelog:
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@ -37,7 +37,7 @@
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* add expect_close support
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*
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* 2002.05.30 - Joel Becker <joel.becker@oracle.com>
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* Added Matt Domsch's nowayout module option.
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* Added Matt Domsch's nowayout module option.
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*/
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/*
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@ -151,7 +151,7 @@ static void eurwdt_activate_timer(void)
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if (irq == 0)
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printk(KERN_INFO ": interrupt disabled\n");
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eurwdt_write_reg(WDT_TIMER_CFG, irq<<4);
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eurwdt_write_reg(WDT_TIMER_CFG, irq << 4);
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eurwdt_write_reg(WDT_UNIT_SEL, WDT_UNIT_SECS); /* we use seconds */
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eurwdt_set_timeout(0); /* the default timeout */
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@ -34,11 +34,15 @@
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static int timeout = WATCHDOG_TIMEOUT;
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module_param(timeout, int, 0);
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MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=131, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
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MODULE_PARM_DESC(timeout,
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"Watchdog timeout in seconds. 1<= timeout <=131, default="
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__MODULE_STRING(WATCHDOG_TIMEOUT) ".");
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static int nowayout = WATCHDOG_NOWAYOUT;
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module_param(nowayout, int, 0);
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MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
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MODULE_PARM_DESC(nowayout,
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"Watchdog cannot be stopped once started (default="
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__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
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static struct platform_device *geodewdt_platform_device;
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static unsigned long wdt_flags;
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@ -269,7 +273,8 @@ static int __init geodewdt_init(void)
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if (ret)
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return ret;
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geodewdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
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geodewdt_platform_device = platform_device_register_simple(DRV_NAME,
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-1, NULL, 0);
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if (IS_ERR(geodewdt_platform_device)) {
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ret = PTR_ERR(geodewdt_platform_device);
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goto err;
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@ -137,7 +137,8 @@ static struct pci_device_id hpwdt_devices[] = {
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};
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MODULE_DEVICE_TABLE(pci, hpwdt_devices);
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extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs, unsigned long *pRomEntry);
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extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
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unsigned long *pRomEntry);
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#ifndef CONFIG_X86_64
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/* --32 Bit Bios------------------------------------------------------------ */
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@ -240,7 +240,8 @@ static ssize_t esb_write(struct file *file, const char __user *data,
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* five months ago... */
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esb_expect_close = 0;
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/* scan to see whether or not we got the magic character */
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/* scan to see whether or not we got the
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* magic character */
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for (i = 0; i != len; i++) {
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char c;
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if (get_user(c, data + i))
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@ -47,7 +47,8 @@
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static int vendorsupport;
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module_param(vendorsupport, int, 0);
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MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (none), 1=SuperMicro Pent3, 2=SuperMicro Pent4+");
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MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default="
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"0 (none), 1=SuperMicro Pent3, 2=SuperMicro Pent4+");
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/*
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* Vendor Specific Support
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@ -305,7 +306,8 @@ static void __exit iTCO_vendor_exit_module(void)
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module_init(iTCO_vendor_init_module);
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module_exit(iTCO_vendor_exit_module);
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MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>, R. Seretny <lkpatches@paypc.com>");
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MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>, "
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"R. Seretny <lkpatches@paypc.com>");
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MODULE_DESCRIPTION("Intel TCO Vendor Specific WatchDog Timer Driver Support");
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MODULE_VERSION(DRV_VERSION);
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MODULE_LICENSE("GPL");
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@ -273,7 +273,9 @@ static struct platform_device *iTCO_wdt_platform_device;
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#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */
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static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */
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module_param(heartbeat, int, 0);
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MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
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MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
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"(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default="
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__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
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static int nowayout = WATCHDOG_NOWAYOUT;
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module_param(nowayout, int, 0);
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@ -346,7 +348,8 @@ static int iTCO_wdt_start(void)
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/* disable chipset's NO_REBOOT bit */
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if (iTCO_wdt_unset_NO_REBOOT_bit()) {
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spin_unlock(&iTCO_wdt_private.io_lock);
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printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
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printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, "
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"reboot disabled by hardware\n");
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return -EIO;
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}
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@ -669,7 +672,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
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/* Check chipset's NO_REBOOT bit */
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if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) {
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printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
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printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, "
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"reboot disabled by hardware\n");
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ret = -ENODEV; /* Cannot reset NO_REBOOT bit */
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goto out;
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}
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@ -716,8 +720,9 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
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if not reset to the default */
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if (iTCO_wdt_set_heartbeat(heartbeat)) {
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iTCO_wdt_set_heartbeat(WATCHDOG_HEARTBEAT);
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printk(KERN_INFO PFX "heartbeat value must be 2 < heartbeat < 39 (TCO v1) or 613 (TCO v2), using %d\n",
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heartbeat);
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printk(KERN_INFO PFX
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"heartbeat value must be 2 < heartbeat < 39 (TCO v1) "
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"or 613 (TCO v2), using %d\n", heartbeat);
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}
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ret = misc_register(&iTCO_wdt_miscdev);
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@ -188,8 +188,8 @@ static inline int superio_inb(int reg)
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static inline void superio_outb(int val, int reg)
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{
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outb(reg, REG);
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outb(val, VAL);
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outb(reg, REG);
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outb(val, VAL);
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}
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static inline int superio_inw(int reg)
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@ -204,10 +204,10 @@ static inline int superio_inw(int reg)
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static inline void superio_outw(int val, int reg)
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{
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outb(reg++, REG);
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outb(val >> 8, VAL);
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outb(reg, REG);
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outb(val, VAL);
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outb(reg++, REG);
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outb(val >> 8, VAL);
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outb(reg, REG);
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outb(val, VAL);
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}
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/* watchdog timer handling */
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@ -9,8 +9,8 @@
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#include <asm/mpc52xx.h>
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#define GPT_MODE_WDT (1<<15)
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#define GPT_MODE_CE (1<<12)
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#define GPT_MODE_WDT (1 << 15)
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#define GPT_MODE_CE (1 << 12)
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#define GPT_MODE_MS_TIMER (0x4)
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@ -5,7 +5,7 @@
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*
|
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* Based on the SoftDog driver:
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* (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
|
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* All Rights Reserved.
|
||||
* 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
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@
|
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* All Rights Reserved.
|
||||
* http://www.4g-systems.biz
|
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*
|
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* (C) Copyright 2007 OpenWrt.org, Florian Fainelli <florian@openwrt.org>
|
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* (C) Copyright 2007 OpenWrt.org, Florian Fainelli <florian@openwrt.org>
|
||||
*
|
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* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
|
|
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@ -536,7 +536,8 @@ static int __init pc87413_init(void)
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ret = misc_register(&pc87413_miscdev);
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if (ret != 0) {
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printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
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printk(KERN_ERR PFX
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"cannot register miscdev on minor=%d (err=%d)\n",
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WATCHDOG_MINOR, ret);
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unregister_reboot_notifier(&pc87413_notifier);
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return ret;
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@ -574,7 +575,8 @@ static void __exit pc87413_exit(void)
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module_init(pc87413_init);
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module_exit(pc87413_exit);
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MODULE_AUTHOR("Sven Anders <anders@anduras.de>, Marcus Junker <junker@anduras.de>,");
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MODULE_AUTHOR("Sven Anders <anders@anduras.de>, "
|
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"Marcus Junker <junker@anduras.de>,");
|
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MODULE_DESCRIPTION("PC87413 WDT driver");
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MODULE_LICENSE("GPL");
|
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|
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|
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@ -24,25 +24,25 @@
|
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* version reporting. Added read routine for temperature.
|
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* Removed some extra defines, added an autodetect Revision
|
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* routine.
|
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* 961006 Revised some documentation, fixed some cosmetic bugs. Made
|
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* drivers to panic the system if it's overheating at bootup.
|
||||
* 961006 Revised some documentation, fixed some cosmetic bugs. Made
|
||||
* drivers to panic the system if it's overheating at bootup.
|
||||
* 961118 Changed some verbiage on some of the output, tidied up
|
||||
* code bits, and added compatibility to 2.1.x.
|
||||
* 970912 Enabled board on open and disable on close.
|
||||
* 970912 Enabled board on open and disable on close.
|
||||
* 971107 Took account of recent VFS changes (broke read).
|
||||
* 971210 Disable board on initialisation in case board already ticking.
|
||||
* 971222 Changed open/close for temperature handling
|
||||
* Michael Meskes <meskes@debian.org>.
|
||||
* 980112 Used minor numbers from include/linux/miscdevice.h
|
||||
* 990403 Clear reset status after reading control status register in
|
||||
* pcwd_showprevstate(). [Marc Boucher <marc@mbsi.ca>]
|
||||
* 971210 Disable board on initialisation in case board already ticking.
|
||||
* 971222 Changed open/close for temperature handling
|
||||
* Michael Meskes <meskes@debian.org>.
|
||||
* 980112 Used minor numbers from include/linux/miscdevice.h
|
||||
* 990403 Clear reset status after reading control status register in
|
||||
* pcwd_showprevstate(). [Marc Boucher <marc@mbsi.ca>]
|
||||
* 990605 Made changes to code to support Firmware 1.22a, added
|
||||
* fairly useless proc entry.
|
||||
* 990610 removed said useless proc code for the merge <alan>
|
||||
* 000403 Removed last traces of proc code. <davej>
|
||||
* 011214 Added nowayout module option to override
|
||||
* CONFIG_WATCHDOG_NOWAYOUT <Matt_Domsch@dell.com>
|
||||
* Added timeout module option to override default
|
||||
* Added timeout module option to override default
|
||||
*/
|
||||
|
||||
/*
|
||||
|
|
@ -76,8 +76,7 @@
|
|||
#define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog"
|
||||
#define WATCHDOG_NAME "pcwd"
|
||||
#define PFX WATCHDOG_NAME ": "
|
||||
#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION " (" WATCHDOG_DATE ")\n"
|
||||
#define WD_VER WATCHDOG_VERSION " (" WATCHDOG_DATE ")"
|
||||
#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION "\n"
|
||||
|
||||
/*
|
||||
* It should be noted that PCWD_REVISION_B was removed because A and B
|
||||
|
|
@ -200,7 +199,9 @@ MODULE_PARM_DESC(debug,
|
|||
#define WATCHDOG_HEARTBEAT 0
|
||||
static int heartbeat = WATCHDOG_HEARTBEAT;
|
||||
module_param(heartbeat, int, 0);
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2 <= heartbeat <= 7200 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
|
||||
"(2 <= heartbeat <= 7200 or 0=delay-time from dip-switches, default="
|
||||
__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
|
||||
static int nowayout = WATCHDOG_NOWAYOUT;
|
||||
module_param(nowayout, int, 0);
|
||||
|
|
@ -239,7 +240,8 @@ static int send_isa_command(int cmd)
|
|||
}
|
||||
|
||||
if (debug >= DEBUG)
|
||||
printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n",
|
||||
printk(KERN_DEBUG PFX "received following data for "
|
||||
"cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n",
|
||||
cmd, port0, last_port0);
|
||||
|
||||
return port0;
|
||||
|
|
@ -339,10 +341,12 @@ static void pcwd_show_card_info(void)
|
|||
pcwd_private.io_addr);
|
||||
else if (pcwd_private.revision == PCWD_REVISION_C) {
|
||||
pcwd_get_firmware();
|
||||
printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n",
|
||||
printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port "
|
||||
"0x%04x (Firmware version: %s)\n",
|
||||
pcwd_private.io_addr, pcwd_private.fw_ver_str);
|
||||
option_switches = pcwd_get_option_switches();
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): "
|
||||
"Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
option_switches,
|
||||
((option_switches & 0x10) ? "ON" : "OFF"),
|
||||
((option_switches & 0x08) ? "ON" : "OFF"));
|
||||
|
|
@ -358,7 +362,8 @@ static void pcwd_show_card_info(void)
|
|||
printk(KERN_INFO PFX "Temperature Option Detected\n");
|
||||
|
||||
if (pcwd_private.boot_status & WDIOF_CARDRESET)
|
||||
printk(KERN_INFO PFX "Previous reboot was caused by the card\n");
|
||||
printk(KERN_INFO PFX
|
||||
"Previous reboot was caused by the card\n");
|
||||
|
||||
if (pcwd_private.boot_status & WDIOF_OVERHEAT) {
|
||||
printk(KERN_EMERG PFX
|
||||
|
|
@ -871,7 +876,7 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
|
|||
cards_found++;
|
||||
if (cards_found == 1)
|
||||
printk(KERN_INFO PFX "v%s Ken Hollis (kenji@bitgate.com)\n",
|
||||
WD_VER);
|
||||
WATCHDOG_VERSION);
|
||||
|
||||
if (cards_found > 1) {
|
||||
printk(KERN_ERR PFX "This driver only supports 1 device\n");
|
||||
|
|
@ -1026,7 +1031,8 @@ static void __exit pcwd_cleanup_module(void)
|
|||
module_init(pcwd_init_module);
|
||||
module_exit(pcwd_cleanup_module);
|
||||
|
||||
MODULE_AUTHOR("Ken Hollis <kenji@bitgate.com>, Wim Van Sebroeck <wim@iguana.be>");
|
||||
MODULE_AUTHOR("Ken Hollis <kenji@bitgate.com>, "
|
||||
"Wim Van Sebroeck <wim@iguana.be>");
|
||||
MODULE_DESCRIPTION("Berkshire ISA-PC Watchdog driver");
|
||||
MODULE_VERSION(WATCHDOG_VERSION);
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
|
|
@ -24,7 +24,8 @@
|
|||
* A bells and whistles driver is available from:
|
||||
* http://www.kernel.org/pub/linux/kernel/people/wim/pcwd/pcwd_pci/
|
||||
*
|
||||
* More info available at http://www.berkprod.com/ or http://www.pcwatchdog.com/
|
||||
* More info available at
|
||||
* http://www.berkprod.com/ or http://www.pcwatchdog.com/
|
||||
*/
|
||||
|
||||
/*
|
||||
|
|
@ -51,11 +52,10 @@
|
|||
|
||||
/* Module and version information */
|
||||
#define WATCHDOG_VERSION "1.03"
|
||||
#define WATCHDOG_DATE "21 Jan 2007"
|
||||
#define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"
|
||||
#define WATCHDOG_NAME "pcwd_pci"
|
||||
#define PFX WATCHDOG_NAME ": "
|
||||
#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION " (" WATCHDOG_DATE ")\n"
|
||||
#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION "\n"
|
||||
|
||||
/* Stuff for the PCI ID's */
|
||||
#ifndef PCI_VENDOR_ID_QUICKLOGIC
|
||||
|
|
@ -76,7 +76,8 @@
|
|||
#define WD_PCI_TTRP 0x04 /* Temperature Trip status */
|
||||
#define WD_PCI_RL2A 0x08 /* Relay 2 Active */
|
||||
#define WD_PCI_RL1A 0x10 /* Relay 1 Active */
|
||||
#define WD_PCI_R2DS 0x40 /* Relay 2 Disable Temperature-trip/reset */
|
||||
#define WD_PCI_R2DS 0x40 /* Relay 2 Disable Temperature-trip /
|
||||
reset */
|
||||
#define WD_PCI_RLY2 0x80 /* Activate Relay 2 on the board */
|
||||
/* Port 2 : Control Status #2 */
|
||||
#define WD_PCI_WDIS 0x10 /* Watchdog Disable */
|
||||
|
|
@ -114,12 +115,18 @@ static int cards_found;
|
|||
static int temp_panic;
|
||||
static unsigned long is_active;
|
||||
static char expect_release;
|
||||
static struct { /* this is private data for each PCI-PC watchdog card */
|
||||
int supports_temp; /* Wether or not the card has a temperature device */
|
||||
int boot_status; /* The card's boot status */
|
||||
unsigned long io_addr; /* The cards I/O address */
|
||||
spinlock_t io_lock; /* the lock for io operations */
|
||||
struct pci_dev *pdev; /* the PCI-device */
|
||||
/* this is private data for each PCI-PC watchdog card */
|
||||
static struct {
|
||||
/* Wether or not the card has a temperature device */
|
||||
int supports_temp;
|
||||
/* The card's boot status */
|
||||
int boot_status;
|
||||
/* The cards I/O address */
|
||||
unsigned long io_addr;
|
||||
/* the lock for io operations */
|
||||
spinlock_t io_lock;
|
||||
/* the PCI-device */
|
||||
struct pci_dev *pdev;
|
||||
} pcipcwd_private;
|
||||
|
||||
/* module parameters */
|
||||
|
|
@ -130,14 +137,18 @@ static int debug = QUIET;
|
|||
module_param(debug, int, 0);
|
||||
MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
|
||||
|
||||
#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
|
||||
#define WATCHDOG_HEARTBEAT 0 /* default heartbeat =
|
||||
delay-time from dip-switches */
|
||||
static int heartbeat = WATCHDOG_HEARTBEAT;
|
||||
module_param(heartbeat, int, 0);
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
|
||||
"(0<heartbeat<65536 or 0=delay-time from dip-switches, default="
|
||||
__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
|
||||
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_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
|
||||
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
|
||||
|
||||
/*
|
||||
* Internal functions
|
||||
|
|
@ -148,8 +159,8 @@ static int send_command(int cmd, int *msb, int *lsb)
|
|||
int got_response, count;
|
||||
|
||||
if (debug >= DEBUG)
|
||||
printk(KERN_DEBUG PFX "sending following data cmd=0x%02x msb=0x%02x lsb=0x%02x\n",
|
||||
cmd, *msb, *lsb);
|
||||
printk(KERN_DEBUG PFX "sending following data "
|
||||
"cmd=0x%02x msb=0x%02x lsb=0x%02x\n", cmd, *msb, *lsb);
|
||||
|
||||
spin_lock(&pcipcwd_private.io_lock);
|
||||
/* If a command requires data it should be written first.
|
||||
|
|
@ -166,17 +177,20 @@ static int send_command(int cmd, int *msb, int *lsb)
|
|||
* the WRSP bit in port 2 and give it a max. timeout of
|
||||
* PCI_COMMAND_TIMEOUT to process */
|
||||
got_response = inb_p(pcipcwd_private.io_addr + 2) & WD_PCI_WRSP;
|
||||
for (count = 0; (count < PCI_COMMAND_TIMEOUT) && (!got_response); count++) {
|
||||
for (count = 0; (count < PCI_COMMAND_TIMEOUT) && (!got_response);
|
||||
count++) {
|
||||
mdelay(1);
|
||||
got_response = inb_p(pcipcwd_private.io_addr + 2) & WD_PCI_WRSP;
|
||||
}
|
||||
|
||||
if (debug >= DEBUG) {
|
||||
if (got_response) {
|
||||
printk(KERN_DEBUG PFX "time to process command was: %d ms\n",
|
||||
printk(KERN_DEBUG PFX
|
||||
"time to process command was: %d ms\n",
|
||||
count);
|
||||
} else {
|
||||
printk(KERN_DEBUG PFX "card did not respond on command!\n");
|
||||
printk(KERN_DEBUG PFX
|
||||
"card did not respond on command!\n");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -189,7 +203,8 @@ static int send_command(int cmd, int *msb, int *lsb)
|
|||
inb_p(pcipcwd_private.io_addr + 6);
|
||||
|
||||
if (debug >= DEBUG)
|
||||
printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: msb=0x%02x lsb=0x%02x\n",
|
||||
printk(KERN_DEBUG PFX "received following data for "
|
||||
"cmd=0x%02x: msb=0x%02x lsb=0x%02x\n",
|
||||
cmd, *msb, *lsb);
|
||||
}
|
||||
|
||||
|
|
@ -218,7 +233,8 @@ static void pcipcwd_show_card_info(void)
|
|||
char fw_ver_str[20]; /* The cards firmware version */
|
||||
int option_switches;
|
||||
|
||||
got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
|
||||
got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major,
|
||||
&fw_rev_minor);
|
||||
if (got_fw_rev)
|
||||
sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
|
||||
else
|
||||
|
|
@ -227,23 +243,27 @@ static void pcipcwd_show_card_info(void)
|
|||
/* Get switch settings */
|
||||
option_switches = pcipcwd_get_option_switches();
|
||||
|
||||
printk(KERN_INFO PFX "Found card at port 0x%04x (Firmware: %s) %s temp option\n",
|
||||
printk(KERN_INFO PFX "Found card at port "
|
||||
"0x%04x (Firmware: %s) %s temp option\n",
|
||||
(int) pcipcwd_private.io_addr, fw_ver_str,
|
||||
(pcipcwd_private.supports_temp ? "with" : "without"));
|
||||
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): "
|
||||
"Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
option_switches,
|
||||
((option_switches & 0x10) ? "ON" : "OFF"),
|
||||
((option_switches & 0x08) ? "ON" : "OFF"));
|
||||
|
||||
if (pcipcwd_private.boot_status & WDIOF_CARDRESET)
|
||||
printk(KERN_INFO PFX "Previous reset was caused by the Watchdog card\n");
|
||||
printk(KERN_INFO PFX
|
||||
"Previous reset was caused by the Watchdog card\n");
|
||||
|
||||
if (pcipcwd_private.boot_status & WDIOF_OVERHEAT)
|
||||
printk(KERN_INFO PFX "Card sensed a CPU Overheat\n");
|
||||
|
||||
if (pcipcwd_private.boot_status == 0)
|
||||
printk(KERN_INFO PFX "No previous trip detected - Cold boot or reset\n");
|
||||
printk(KERN_INFO PFX
|
||||
"No previous trip detected - Cold boot or reset\n");
|
||||
}
|
||||
|
||||
static int pcipcwd_start(void)
|
||||
|
|
@ -283,7 +303,8 @@ static int pcipcwd_stop(void)
|
|||
spin_unlock(&pcipcwd_private.io_lock);
|
||||
|
||||
if (!(stat_reg & WD_PCI_WDIS)) {
|
||||
printk(KERN_ERR PFX "Card did not acknowledge disable attempt\n");
|
||||
printk(KERN_ERR PFX
|
||||
"Card did not acknowledge disable attempt\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -364,7 +385,8 @@ static int pcipcwd_clear_status(void)
|
|||
}
|
||||
|
||||
/* clear trip status & LED and keep mode of relay 2 */
|
||||
outb_p((control_status & WD_PCI_R2DS) | WD_PCI_WTRP, pcipcwd_private.io_addr + 1);
|
||||
outb_p((control_status & WD_PCI_R2DS) | WD_PCI_WTRP,
|
||||
pcipcwd_private.io_addr + 1);
|
||||
|
||||
/* clear reset counter */
|
||||
msb = 0;
|
||||
|
|
@ -437,7 +459,8 @@ static ssize_t pcipcwd_write(struct file *file, const char __user *data,
|
|||
* five months ago... */
|
||||
expect_release = 0;
|
||||
|
||||
/* scan to see whether or not we got the magic character */
|
||||
/* scan to see whether or not we got the
|
||||
* magic character */
|
||||
for (i = 0; i != len; i++) {
|
||||
char c;
|
||||
if (get_user(c, data + i))
|
||||
|
|
@ -531,7 +554,7 @@ static long pcipcwd_ioctl(struct file *file, unsigned int cmd,
|
|||
return -EFAULT;
|
||||
|
||||
if (pcipcwd_set_heartbeat(new_heartbeat))
|
||||
return -EINVAL;
|
||||
return -EINVAL;
|
||||
|
||||
pcipcwd_keepalive();
|
||||
/* Fall */
|
||||
|
|
@ -560,7 +583,8 @@ static int pcipcwd_open(struct inode *inode, struct file *file)
|
|||
/* /dev/watchdog can only be opened once */
|
||||
if (test_and_set_bit(0, &is_active)) {
|
||||
if (debug >= VERBOSE)
|
||||
printk(KERN_ERR PFX "Attempt to open already opened device.\n");
|
||||
printk(KERN_ERR PFX
|
||||
"Attempt to open already opened device.\n");
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
|
|
@ -578,7 +602,8 @@ static int pcipcwd_release(struct inode *inode, struct file *file)
|
|||
if (expect_release == 42) {
|
||||
pcipcwd_stop();
|
||||
} else {
|
||||
printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
|
||||
printk(KERN_CRIT PFX
|
||||
"Unexpected close, not stopping watchdog!\n");
|
||||
pcipcwd_keepalive();
|
||||
}
|
||||
expect_release = 0;
|
||||
|
|
@ -621,7 +646,8 @@ static int pcipcwd_temp_release(struct inode *inode, struct file *file)
|
|||
* Notify system
|
||||
*/
|
||||
|
||||
static int pcipcwd_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
|
||||
static int pcipcwd_notify_sys(struct notifier_block *this, unsigned long code,
|
||||
void *unused)
|
||||
{
|
||||
if (code == SYS_DOWN || code == SYS_HALT)
|
||||
pcipcwd_stop(); /* Turn the WDT off */
|
||||
|
|
@ -722,34 +748,38 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
|
|||
|
||||
/* If heartbeat = 0 then we use the heartbeat from the dip-switches */
|
||||
if (heartbeat == 0)
|
||||
heartbeat = heartbeat_tbl[(pcipcwd_get_option_switches() & 0x07)];
|
||||
heartbeat =
|
||||
heartbeat_tbl[(pcipcwd_get_option_switches() & 0x07)];
|
||||
|
||||
/* Check that the heartbeat value is within it's range ; if not reset to the default */
|
||||
/* Check that the heartbeat value is within it's range ;
|
||||
* if not reset to the default */
|
||||
if (pcipcwd_set_heartbeat(heartbeat)) {
|
||||
pcipcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
|
||||
printk(KERN_INFO PFX "heartbeat value must be 0<heartbeat<65536, using %d\n",
|
||||
printk(KERN_INFO PFX
|
||||
"heartbeat value must be 0<heartbeat<65536, using %d\n",
|
||||
WATCHDOG_HEARTBEAT);
|
||||
}
|
||||
|
||||
ret = register_reboot_notifier(&pcipcwd_notifier);
|
||||
if (ret != 0) {
|
||||
printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
|
||||
ret);
|
||||
printk(KERN_ERR PFX
|
||||
"cannot register reboot notifier (err=%d)\n", ret);
|
||||
goto err_out_release_region;
|
||||
}
|
||||
|
||||
if (pcipcwd_private.supports_temp) {
|
||||
ret = misc_register(&pcipcwd_temp_miscdev);
|
||||
if (ret != 0) {
|
||||
printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
|
||||
TEMP_MINOR, ret);
|
||||
printk(KERN_ERR PFX "cannot register miscdev on "
|
||||
"minor=%d (err=%d)\n", TEMP_MINOR, ret);
|
||||
goto err_out_unregister_reboot;
|
||||
}
|
||||
}
|
||||
|
||||
ret = misc_register(&pcipcwd_miscdev);
|
||||
if (ret != 0) {
|
||||
printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
|
||||
printk(KERN_ERR PFX
|
||||
"cannot register miscdev on minor=%d (err=%d)\n",
|
||||
WATCHDOG_MINOR, ret);
|
||||
goto err_out_misc_deregister;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -51,12 +51,11 @@
|
|||
|
||||
/* Use our own dbg macro */
|
||||
#undef dbg
|
||||
#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG PFX format "\n" , ## arg); } while (0)
|
||||
|
||||
#define dbg(format, arg...) \
|
||||
do { if (debug) printk(KERN_DEBUG PFX format "\n" , ## arg); } while (0)
|
||||
|
||||
/* Module and Version Information */
|
||||
#define DRIVER_VERSION "1.02"
|
||||
#define DRIVER_DATE "21 Jan 2007"
|
||||
#define DRIVER_AUTHOR "Wim Van Sebroeck <wim@iguana.be>"
|
||||
#define DRIVER_DESC "Berkshire USB-PC Watchdog driver"
|
||||
#define DRIVER_LICENSE "GPL"
|
||||
|
|
@ -73,14 +72,18 @@ MODULE_ALIAS_MISCDEV(TEMP_MINOR);
|
|||
module_param(debug, int, 0);
|
||||
MODULE_PARM_DESC(debug, "Debug enabled or not");
|
||||
|
||||
#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
|
||||
#define WATCHDOG_HEARTBEAT 0 /* default heartbeat =
|
||||
delay-time from dip-switches */
|
||||
static int heartbeat = WATCHDOG_HEARTBEAT;
|
||||
module_param(heartbeat, int, 0);
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
|
||||
"(0<heartbeat<65536 or 0=delay-time from dip-switches, default="
|
||||
__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
|
||||
|
||||
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_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
|
||||
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
|
||||
|
||||
/* The vendor and product id's for the USB-PC Watchdog card */
|
||||
#define USB_PCWD_VENDOR_ID 0x0c98
|
||||
|
|
@ -91,20 +94,21 @@ static struct usb_device_id usb_pcwd_table[] = {
|
|||
{ USB_DEVICE(USB_PCWD_VENDOR_ID, USB_PCWD_PRODUCT_ID) },
|
||||
{ } /* Terminating entry */
|
||||
};
|
||||
MODULE_DEVICE_TABLE (usb, usb_pcwd_table);
|
||||
MODULE_DEVICE_TABLE(usb, usb_pcwd_table);
|
||||
|
||||
/* according to documentation max. time to process a command for the USB
|
||||
* watchdog card is 100 or 200 ms, so we give it 250 ms to do it's job */
|
||||
#define USB_COMMAND_TIMEOUT 250
|
||||
|
||||
/* Watchdog's internal commands */
|
||||
#define CMD_READ_TEMP 0x02 /* Read Temperature; Re-trigger Watchdog */
|
||||
#define CMD_READ_TEMP 0x02 /* Read Temperature;
|
||||
Re-trigger Watchdog */
|
||||
#define CMD_TRIGGER CMD_READ_TEMP
|
||||
#define CMD_GET_STATUS 0x04 /* Get Status Information */
|
||||
#define CMD_GET_FIRMWARE_VERSION 0x08 /* Get Firmware Version */
|
||||
#define CMD_GET_DIP_SWITCH_SETTINGS 0x0c /* Get Dip Switch Settings */
|
||||
#define CMD_READ_WATCHDOG_TIMEOUT 0x18 /* Read Current Watchdog Time */
|
||||
#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19 /* Write Current Watchdog Time */
|
||||
#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19 /* Write Current WatchdogTime */
|
||||
#define CMD_ENABLE_WATCHDOG 0x30 /* Enable / Disable Watchdog */
|
||||
#define CMD_DISABLE_WATCHDOG CMD_ENABLE_WATCHDOG
|
||||
|
||||
|
|
@ -129,23 +133,36 @@ static char expect_release;
|
|||
|
||||
/* Structure to hold all of our device specific stuff */
|
||||
struct usb_pcwd_private {
|
||||
struct usb_device *udev; /* save off the usb device pointer */
|
||||
struct usb_interface *interface; /* the interface for this device */
|
||||
/* save off the usb device pointer */
|
||||
struct usb_device *udev;
|
||||
/* the interface for this device */
|
||||
struct usb_interface *interface;
|
||||
|
||||
unsigned int interface_number; /* the interface number used for cmd's */
|
||||
/* the interface number used for cmd's */
|
||||
unsigned int interface_number;
|
||||
|
||||
unsigned char *intr_buffer; /* the buffer to intr data */
|
||||
dma_addr_t intr_dma; /* the dma address for the intr buffer */
|
||||
size_t intr_size; /* the size of the intr buffer */
|
||||
struct urb *intr_urb; /* the urb used for the intr pipe */
|
||||
/* the buffer to intr data */
|
||||
unsigned char *intr_buffer;
|
||||
/* the dma address for the intr buffer */
|
||||
dma_addr_t intr_dma;
|
||||
/* the size of the intr buffer */
|
||||
size_t intr_size;
|
||||
/* the urb used for the intr pipe */
|
||||
struct urb *intr_urb;
|
||||
|
||||
unsigned char cmd_command; /* The command that is reported back */
|
||||
unsigned char cmd_data_msb; /* The data MSB that is reported back */
|
||||
unsigned char cmd_data_lsb; /* The data LSB that is reported back */
|
||||
atomic_t cmd_received; /* true if we received a report after a command */
|
||||
/* The command that is reported back */
|
||||
unsigned char cmd_command;
|
||||
/* The data MSB that is reported back */
|
||||
unsigned char cmd_data_msb;
|
||||
/* The data LSB that is reported back */
|
||||
unsigned char cmd_data_lsb;
|
||||
/* true if we received a report after a command */
|
||||
atomic_t cmd_received;
|
||||
|
||||
int exists; /* Wether or not the device exists */
|
||||
struct mutex mtx; /* locks this structure */
|
||||
/* Wether or not the device exists */
|
||||
int exists;
|
||||
/* locks this structure */
|
||||
struct mutex mtx;
|
||||
};
|
||||
static struct usb_pcwd_private *usb_pcwd_device;
|
||||
|
||||
|
|
@ -153,7 +170,8 @@ static struct usb_pcwd_private *usb_pcwd_device;
|
|||
static DEFINE_MUTEX(disconnect_mutex);
|
||||
|
||||
/* local function prototypes */
|
||||
static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_device_id *id);
|
||||
static int usb_pcwd_probe(struct usb_interface *interface,
|
||||
const struct usb_device_id *id);
|
||||
static void usb_pcwd_disconnect(struct usb_interface *interface);
|
||||
|
||||
/* usb specific object needed to register this driver with the usb subsystem */
|
||||
|
|
@ -167,7 +185,8 @@ static struct usb_driver usb_pcwd_driver = {
|
|||
|
||||
static void usb_pcwd_intr_done(struct urb *urb)
|
||||
{
|
||||
struct usb_pcwd_private *usb_pcwd = (struct usb_pcwd_private *)urb->context;
|
||||
struct usb_pcwd_private *usb_pcwd =
|
||||
(struct usb_pcwd_private *)urb->context;
|
||||
unsigned char *data = usb_pcwd->intr_buffer;
|
||||
int retval;
|
||||
|
||||
|
|
@ -178,11 +197,13 @@ static void usb_pcwd_intr_done(struct urb *urb)
|
|||
case -ENOENT:
|
||||
case -ESHUTDOWN:
|
||||
/* this urb is terminated, clean up */
|
||||
dbg("%s - urb shutting down with status: %d", __func__, urb->status);
|
||||
dbg("%s - urb shutting down with status: %d", __func__,
|
||||
urb->status);
|
||||
return;
|
||||
/* -EPIPE: should clear the halt */
|
||||
default: /* error */
|
||||
dbg("%s - nonzero urb status received: %d", __func__, urb->status);
|
||||
dbg("%s - nonzero urb status received: %d", __func__,
|
||||
urb->status);
|
||||
goto resubmit;
|
||||
}
|
||||
|
||||
|
|
@ -199,22 +220,23 @@ static void usb_pcwd_intr_done(struct urb *urb)
|
|||
resubmit:
|
||||
retval = usb_submit_urb(urb, GFP_ATOMIC);
|
||||
if (retval)
|
||||
printk(KERN_ERR PFX "can't resubmit intr, usb_submit_urb failed with result %d\n",
|
||||
retval);
|
||||
printk(KERN_ERR PFX "can't resubmit intr, "
|
||||
"usb_submit_urb failed with result %d\n", retval);
|
||||
}
|
||||
|
||||
static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd, unsigned char cmd,
|
||||
unsigned char *msb, unsigned char *lsb)
|
||||
static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd,
|
||||
unsigned char cmd, unsigned char *msb, unsigned char *lsb)
|
||||
{
|
||||
int got_response, count;
|
||||
unsigned char buf[6];
|
||||
|
||||
/* We will not send any commands if the USB PCWD device does not exist */
|
||||
/* We will not send any commands if the USB PCWD device does
|
||||
* not exist */
|
||||
if ((!usb_pcwd) || (!usb_pcwd->exists))
|
||||
return -1;
|
||||
|
||||
/* The USB PC Watchdog uses a 6 byte report format. The board currently uses
|
||||
* only 3 of the six bytes of the report. */
|
||||
/* The USB PC Watchdog uses a 6 byte report format.
|
||||
* The board currently uses only 3 of the six bytes of the report. */
|
||||
buf[0] = cmd; /* Byte 0 = CMD */
|
||||
buf[1] = *msb; /* Byte 1 = Data MSB */
|
||||
buf[2] = *lsb; /* Byte 2 = Data LSB */
|
||||
|
|
@ -229,12 +251,14 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd, unsigned cha
|
|||
HID_REQ_SET_REPORT, HID_DT_REPORT,
|
||||
0x0200, usb_pcwd->interface_number, buf, sizeof(buf),
|
||||
USB_COMMAND_TIMEOUT) != sizeof(buf)) {
|
||||
dbg("usb_pcwd_send_command: error in usb_control_msg for cmd 0x%x 0x%x 0x%x\n", cmd, *msb, *lsb);
|
||||
dbg("usb_pcwd_send_command: error in usb_control_msg for "
|
||||
"cmd 0x%x 0x%x 0x%x\n", cmd, *msb, *lsb);
|
||||
}
|
||||
/* wait till the usb card processed the command,
|
||||
* with a max. timeout of USB_COMMAND_TIMEOUT */
|
||||
got_response = 0;
|
||||
for (count = 0; (count < USB_COMMAND_TIMEOUT) && (!got_response); count++) {
|
||||
for (count = 0; (count < USB_COMMAND_TIMEOUT) && (!got_response);
|
||||
count++) {
|
||||
mdelay(1);
|
||||
if (atomic_read(&usb_pcwd->cmd_received))
|
||||
got_response = 1;
|
||||
|
|
@ -256,10 +280,12 @@ static int usb_pcwd_start(struct usb_pcwd_private *usb_pcwd)
|
|||
int retval;
|
||||
|
||||
/* Enable Watchdog */
|
||||
retval = usb_pcwd_send_command(usb_pcwd, CMD_ENABLE_WATCHDOG, &msb, &lsb);
|
||||
retval = usb_pcwd_send_command(usb_pcwd, CMD_ENABLE_WATCHDOG,
|
||||
&msb, &lsb);
|
||||
|
||||
if ((retval == 0) || (lsb == 0)) {
|
||||
printk(KERN_ERR PFX "Card did not acknowledge enable attempt\n");
|
||||
printk(KERN_ERR PFX
|
||||
"Card did not acknowledge enable attempt\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -273,10 +299,12 @@ static int usb_pcwd_stop(struct usb_pcwd_private *usb_pcwd)
|
|||
int retval;
|
||||
|
||||
/* Disable Watchdog */
|
||||
retval = usb_pcwd_send_command(usb_pcwd, CMD_DISABLE_WATCHDOG, &msb, &lsb);
|
||||
retval = usb_pcwd_send_command(usb_pcwd, CMD_DISABLE_WATCHDOG,
|
||||
&msb, &lsb);
|
||||
|
||||
if ((retval == 0) || (lsb != 0)) {
|
||||
printk(KERN_ERR PFX "Card did not acknowledge disable attempt\n");
|
||||
printk(KERN_ERR PFX
|
||||
"Card did not acknowledge disable attempt\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -308,7 +336,8 @@ static int usb_pcwd_set_heartbeat(struct usb_pcwd_private *usb_pcwd, int t)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd, int *temperature)
|
||||
static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd,
|
||||
int *temperature)
|
||||
{
|
||||
unsigned char msb, lsb;
|
||||
|
||||
|
|
@ -323,7 +352,8 @@ static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd, int *temp
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int usb_pcwd_get_timeleft(struct usb_pcwd_private *usb_pcwd, int *time_left)
|
||||
static int usb_pcwd_get_timeleft(struct usb_pcwd_private *usb_pcwd,
|
||||
int *time_left)
|
||||
{
|
||||
unsigned char msb, lsb;
|
||||
|
||||
|
|
@ -341,7 +371,7 @@ static int usb_pcwd_get_timeleft(struct usb_pcwd_private *usb_pcwd, int *time_le
|
|||
*/
|
||||
|
||||
static ssize_t usb_pcwd_write(struct file *file, const char __user *data,
|
||||
size_t len, loff_t *ppos)
|
||||
size_t len, loff_t *ppos)
|
||||
{
|
||||
/* See if we got the magic character 'V' and reload the timer */
|
||||
if (len) {
|
||||
|
|
@ -352,7 +382,8 @@ static ssize_t usb_pcwd_write(struct file *file, const char __user *data,
|
|||
* five months ago... */
|
||||
expect_release = 0;
|
||||
|
||||
/* scan to see whether or not we got the magic character */
|
||||
/* scan to see whether or not we got the
|
||||
* magic character */
|
||||
for (i = 0; i != len; i++) {
|
||||
char c;
|
||||
if (get_user(c, data + i))
|
||||
|
|
@ -431,7 +462,7 @@ static long usb_pcwd_ioctl(struct file *file, unsigned int cmd,
|
|||
return -EFAULT;
|
||||
|
||||
if (usb_pcwd_set_heartbeat(usb_pcwd_device, new_heartbeat))
|
||||
return -EINVAL;
|
||||
return -EINVAL;
|
||||
|
||||
usb_pcwd_keepalive(usb_pcwd_device);
|
||||
/* Fall */
|
||||
|
|
@ -475,7 +506,8 @@ static int usb_pcwd_release(struct inode *inode, struct file *file)
|
|||
if (expect_release == 42) {
|
||||
usb_pcwd_stop(usb_pcwd_device);
|
||||
} else {
|
||||
printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
|
||||
printk(KERN_CRIT PFX
|
||||
"Unexpected close, not stopping watchdog!\n");
|
||||
usb_pcwd_keepalive(usb_pcwd_device);
|
||||
}
|
||||
expect_release = 0;
|
||||
|
|
@ -515,7 +547,8 @@ static int usb_pcwd_temperature_release(struct inode *inode, struct file *file)
|
|||
* Notify system
|
||||
*/
|
||||
|
||||
static int usb_pcwd_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
|
||||
static int usb_pcwd_notify_sys(struct notifier_block *this, unsigned long code,
|
||||
void *unused)
|
||||
{
|
||||
if (code == SYS_DOWN || code == SYS_HALT)
|
||||
usb_pcwd_stop(usb_pcwd_device); /* Turn the WDT off */
|
||||
|
|
@ -578,7 +611,8 @@ static inline void usb_pcwd_delete(struct usb_pcwd_private *usb_pcwd)
|
|||
* Called by the usb core when a new device is connected that it thinks
|
||||
* this driver might be interested in.
|
||||
*/
|
||||
static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_device_id *id)
|
||||
static int usb_pcwd_probe(struct usb_interface *interface,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
struct usb_device *udev = interface_to_usbdev(interface);
|
||||
struct usb_host_interface *iface_desc;
|
||||
|
|
@ -602,7 +636,8 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
|
|||
|
||||
/* check out that we have a HID device */
|
||||
if (!(iface_desc->desc.bInterfaceClass == USB_CLASS_HID)) {
|
||||
printk(KERN_ERR PFX "The device isn't a Human Interface Device\n");
|
||||
printk(KERN_ERR PFX
|
||||
"The device isn't a Human Interface Device\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
|
|
@ -632,10 +667,12 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
|
|||
usb_pcwd->udev = udev;
|
||||
usb_pcwd->interface = interface;
|
||||
usb_pcwd->interface_number = iface_desc->desc.bInterfaceNumber;
|
||||
usb_pcwd->intr_size = (le16_to_cpu(endpoint->wMaxPacketSize) > 8 ? le16_to_cpu(endpoint->wMaxPacketSize) : 8);
|
||||
usb_pcwd->intr_size = (le16_to_cpu(endpoint->wMaxPacketSize) > 8 ?
|
||||
le16_to_cpu(endpoint->wMaxPacketSize) : 8);
|
||||
|
||||
/* set up the memory buffer's */
|
||||
usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size, GFP_ATOMIC, &usb_pcwd->intr_dma);
|
||||
usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size,
|
||||
GFP_ATOMIC, &usb_pcwd->intr_dma);
|
||||
if (!usb_pcwd->intr_buffer) {
|
||||
printk(KERN_ERR PFX "Out of memory\n");
|
||||
goto error;
|
||||
|
|
@ -669,7 +706,8 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
|
|||
usb_pcwd_stop(usb_pcwd);
|
||||
|
||||
/* Get the Firmware Version */
|
||||
got_fw_rev = usb_pcwd_send_command(usb_pcwd, CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
|
||||
got_fw_rev = usb_pcwd_send_command(usb_pcwd, CMD_GET_FIRMWARE_VERSION,
|
||||
&fw_rev_major, &fw_rev_minor);
|
||||
if (got_fw_rev)
|
||||
sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
|
||||
else
|
||||
|
|
@ -679,9 +717,11 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
|
|||
fw_ver_str);
|
||||
|
||||
/* Get switch settings */
|
||||
usb_pcwd_send_command(usb_pcwd, CMD_GET_DIP_SWITCH_SETTINGS, &dummy, &option_switches);
|
||||
usb_pcwd_send_command(usb_pcwd, CMD_GET_DIP_SWITCH_SETTINGS, &dummy,
|
||||
&option_switches);
|
||||
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
printk(KERN_INFO PFX "Option switches (0x%02x): "
|
||||
"Temperature Reset Enable=%s, Power On Delay=%s\n",
|
||||
option_switches,
|
||||
((option_switches & 0x10) ? "ON" : "OFF"),
|
||||
((option_switches & 0x08) ? "ON" : "OFF"));
|
||||
|
|
@ -690,30 +730,35 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
|
|||
if (heartbeat == 0)
|
||||
heartbeat = heartbeat_tbl[(option_switches & 0x07)];
|
||||
|
||||
/* Check that the heartbeat value is within it's range ; if not reset to the default */
|
||||
/* Check that the heartbeat value is within it's range ;
|
||||
* if not reset to the default */
|
||||
if (usb_pcwd_set_heartbeat(usb_pcwd, heartbeat)) {
|
||||
usb_pcwd_set_heartbeat(usb_pcwd, WATCHDOG_HEARTBEAT);
|
||||
printk(KERN_INFO PFX "heartbeat value must be 0<heartbeat<65536, using %d\n",
|
||||
printk(KERN_INFO PFX
|
||||
"heartbeat value must be 0<heartbeat<65536, using %d\n",
|
||||
WATCHDOG_HEARTBEAT);
|
||||
}
|
||||
|
||||
retval = register_reboot_notifier(&usb_pcwd_notifier);
|
||||
if (retval != 0) {
|
||||
printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
|
||||
printk(KERN_ERR PFX
|
||||
"cannot register reboot notifier (err=%d)\n",
|
||||
retval);
|
||||
goto error;
|
||||
}
|
||||
|
||||
retval = misc_register(&usb_pcwd_temperature_miscdev);
|
||||
if (retval != 0) {
|
||||
printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
|
||||
printk(KERN_ERR PFX
|
||||
"cannot register miscdev on minor=%d (err=%d)\n",
|
||||
TEMP_MINOR, retval);
|
||||
goto err_out_unregister_reboot;
|
||||
}
|
||||
|
||||
retval = misc_register(&usb_pcwd_miscdev);
|
||||
if (retval != 0) {
|
||||
printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
|
||||
printk(KERN_ERR PFX
|
||||
"cannot register miscdev on minor=%d (err=%d)\n",
|
||||
WATCHDOG_MINOR, retval);
|
||||
goto err_out_misc_deregister;
|
||||
}
|
||||
|
|
@ -799,7 +844,7 @@ static int __init usb_pcwd_init(void)
|
|||
return result;
|
||||
}
|
||||
|
||||
printk(KERN_INFO PFX DRIVER_DESC " v" DRIVER_VERSION " (" DRIVER_DATE ")\n");
|
||||
printk(KERN_INFO PFX DRIVER_DESC " v" DRIVER_VERSION "\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -54,22 +54,22 @@
|
|||
|
||||
/* WDTIM_CTRL bit definitions */
|
||||
#define COUNT_ENAB 1
|
||||
#define RESET_COUNT (1<<1)
|
||||
#define DEBUG_EN (1<<2)
|
||||
#define RESET_COUNT (1 << 1)
|
||||
#define DEBUG_EN (1 << 2)
|
||||
|
||||
/* WDTIM_MCTRL bit definitions */
|
||||
#define MR0_INT 1
|
||||
#undef RESET_COUNT0
|
||||
#define RESET_COUNT0 (1<<2)
|
||||
#define STOP_COUNT0 (1<<2)
|
||||
#define M_RES1 (1<<3)
|
||||
#define M_RES2 (1<<4)
|
||||
#define RESFRC1 (1<<5)
|
||||
#define RESFRC2 (1<<6)
|
||||
#define RESET_COUNT0 (1 << 2)
|
||||
#define STOP_COUNT0 (1 << 2)
|
||||
#define M_RES1 (1 << 3)
|
||||
#define M_RES2 (1 << 4)
|
||||
#define RESFRC1 (1 << 5)
|
||||
#define RESFRC2 (1 << 6)
|
||||
|
||||
/* WDTIM_EMR bit definitions */
|
||||
#define EXT_MATCH0 1
|
||||
#define MATCH_OUTPUT_HIGH (2<<4) /*a MATCH_CTRL setting */
|
||||
#define MATCH_OUTPUT_HIGH (2 << 4) /*a MATCH_CTRL setting */
|
||||
|
||||
/* WDTIM_RES bit definitions */
|
||||
#define WDOG_RESET 1 /* read only */
|
||||
|
|
|
|||
|
|
@ -146,7 +146,8 @@ static long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static ssize_t riowd_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
|
||||
static ssize_t riowd_write(struct file *file, const char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
struct riowd *p = riowd_device;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/*
|
||||
* Watchdog driver for the SA11x0/PXA2xx
|
||||
*
|
||||
* (c) Copyright 2000 Oleg Drokin <green@crimea.edu>
|
||||
* Based on SoftDog driver by Alan Cox <alan@lxorguk.ukuu.org.uk>
|
||||
* (c) Copyright 2000 Oleg Drokin <green@crimea.edu>
|
||||
* Based on SoftDog driver by Alan Cox <alan@lxorguk.ukuu.org.uk>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
|
|
@ -15,7 +15,7 @@
|
|||
*
|
||||
* (c) Copyright 2000 Oleg Drokin <green@crimea.edu>
|
||||
*
|
||||
* 27/11/2000 Initial release
|
||||
* 27/11/2000 Initial release
|
||||
*/
|
||||
#include <linux/module.h>
|
||||
#include <linux/moduleparam.h>
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* 60xx Single Board Computer Watchdog Timer driver for Linux 2.2.x
|
||||
*
|
||||
* Based on acquirewdt.c by Alan Cox.
|
||||
* Based on acquirewdt.c by Alan Cox.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
|
|
|
|||
|
|
@ -4,12 +4,12 @@
|
|||
* (c) Copyright 2005 Webcon, Inc.
|
||||
*
|
||||
* Based on ib700wdt.c, which is based on advantechwdt.c which is based
|
||||
* on acquirewdt.c which is based on wdt.c.
|
||||
* on acquirewdt.c which is based on wdt.c.
|
||||
*
|
||||
* (c) Copyright 2001 Charles Howes <chowes@vsol.net>
|
||||
*
|
||||
* Based on advantechwdt.c which is based on acquirewdt.c which
|
||||
* is based on wdt.c.
|
||||
* Based on advantechwdt.c which is based on acquirewdt.c which
|
||||
* is based on wdt.c.
|
||||
*
|
||||
* (c) Copyright 2000-2001 Marek Michalkiewicz <marekm@linux.org.pl>
|
||||
*
|
||||
|
|
@ -30,9 +30,9 @@
|
|||
*
|
||||
* (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk>
|
||||
*
|
||||
* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
|
||||
* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
|
||||
* Added timeout module option to override default
|
||||
* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
|
||||
* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
|
||||
* Added timeout module option to override default
|
||||
*
|
||||
*/
|
||||
|
||||
|
|
|
|||
|
|
@ -35,7 +35,8 @@ static int epx_c3_alive;
|
|||
|
||||
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_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
|
||||
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
|
||||
|
||||
#define EPXC3_WATCHDOG_CTL_REG 0x1ee /* write 1 to enable, 0 to disable */
|
||||
#define EPXC3_WATCHDOG_PET_REG 0x1ef /* write anything to pet once enabled */
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@
|
|||
#define UART2_IRQ 0x04 /* Serial1 */
|
||||
/* 5 -7 are reserved */
|
||||
|
||||
static char banner[] __initdata = KERN_INFO PFX SC1200_MODULE_VER;
|
||||
static char banner[] __initdata = PFX SC1200_MODULE_VER;
|
||||
static int timeout = 1;
|
||||
static int io = -1;
|
||||
static int io_len = 2; /* for non plug and play */
|
||||
|
|
@ -392,7 +392,7 @@ static int __init sc1200wdt_init(void)
|
|||
{
|
||||
int ret;
|
||||
|
||||
printk("%s\n", banner);
|
||||
printk(KERN_INFO "%s\n", banner);
|
||||
|
||||
#if defined CONFIG_PNP
|
||||
if (isapnp) {
|
||||
|
|
@ -477,6 +477,7 @@ module_init(sc1200wdt_init);
|
|||
module_exit(sc1200wdt_exit);
|
||||
|
||||
MODULE_AUTHOR("Zwane Mwaikambo <zwane@commfireservices.com>");
|
||||
MODULE_DESCRIPTION("Driver for National Semiconductor PC87307/PC97307 watchdog component");
|
||||
MODULE_DESCRIPTION(
|
||||
"Driver for National Semiconductor PC87307/PC97307 watchdog component");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/*
|
||||
* AMD Elan SC520 processor Watchdog Timer driver
|
||||
*
|
||||
* Based on acquirewdt.c by Alan Cox,
|
||||
* and sbc60xxwdt.c by Jakob Oestergaard <jakob@unthought.net>
|
||||
* Based on acquirewdt.c by Alan Cox,
|
||||
* and sbc60xxwdt.c by Jakob Oestergaard <jakob@unthought.net>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
|
|
@ -11,7 +11,7 @@
|
|||
*
|
||||
* The authors do NOT admit liability nor provide warranty for
|
||||
* any of this software. This material is provided "AS-IS" in
|
||||
* the hope that it may be useful for others.
|
||||
* the hope that it may be useful for others.
|
||||
*
|
||||
* (c) Copyright 2001 Scott Jennings <linuxdrivers@oro.net>
|
||||
* 9/27 - 2001 [Initial release]
|
||||
|
|
@ -438,6 +438,7 @@ module_init(sc520_wdt_init);
|
|||
module_exit(sc520_wdt_unload);
|
||||
|
||||
MODULE_AUTHOR("Scott and Bill Jennings");
|
||||
MODULE_DESCRIPTION("Driver for watchdog timer in AMD \"Elan\" SC520 uProcessor");
|
||||
MODULE_DESCRIPTION(
|
||||
"Driver for watchdog timer in AMD \"Elan\" SC520 uProcessor");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
* SMsC 37B787 Watchdog Timer driver for Linux 2.6.x.x
|
||||
*
|
||||
* Based on acquirewdt.c by Alan Cox <alan@lxorguk.ukuu.org.uk>
|
||||
* and some other existing drivers
|
||||
* and some other existing drivers
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
|
|
@ -11,7 +11,7 @@
|
|||
*
|
||||
* The authors do NOT admit liability nor provide warranty for
|
||||
* any of this software. This material is provided "AS-IS" in
|
||||
* the hope that it may be useful for others.
|
||||
* the hope that it may be useful for others.
|
||||
*
|
||||
* (C) Copyright 2003-2006 Sven Anders <anders@anduras.de>
|
||||
*
|
||||
|
|
@ -22,19 +22,19 @@
|
|||
*
|
||||
* Theory of operation:
|
||||
*
|
||||
* A Watchdog Timer (WDT) is a hardware circuit that can
|
||||
* reset the computer system in case of a software fault.
|
||||
* You probably knew that already.
|
||||
* A Watchdog Timer (WDT) is a hardware circuit that can
|
||||
* reset the computer system in case of a software fault.
|
||||
* You probably knew that already.
|
||||
*
|
||||
* Usually a userspace daemon will notify the kernel WDT driver
|
||||
* via the /dev/watchdog special device file that userspace is
|
||||
* still alive, at regular intervals. When such a notification
|
||||
* occurs, the driver will usually tell the hardware watchdog
|
||||
* that everything is in order, and that the watchdog should wait
|
||||
* for yet another little while to reset the system.
|
||||
* If userspace fails (RAM error, kernel bug, whatever), the
|
||||
* notifications cease to occur, and the hardware watchdog will
|
||||
* reset the system (causing a reboot) after the timeout occurs.
|
||||
* Usually a userspace daemon will notify the kernel WDT driver
|
||||
* via the /dev/watchdog special device file that userspace is
|
||||
* still alive, at regular intervals. When such a notification
|
||||
* occurs, the driver will usually tell the hardware watchdog
|
||||
* that everything is in order, and that the watchdog should wait
|
||||
* for yet another little while to reset the system.
|
||||
* If userspace fails (RAM error, kernel bug, whatever), the
|
||||
* notifications cease to occur, and the hardware watchdog will
|
||||
* reset the system (causing a reboot) after the timeout occurs.
|
||||
*
|
||||
* Create device with:
|
||||
* mknod /dev/watchdog c 10 130
|
||||
|
|
@ -485,7 +485,7 @@ static long wb_smsc_wdt_ioctl(struct file *file,
|
|||
case WDIOC_GETTIMEOUT:
|
||||
new_timeout = timeout;
|
||||
if (unit == UNIT_MINUTE)
|
||||
new_timeout *= 60;
|
||||
new_timeout *= 60;
|
||||
return put_user(new_timeout, uarg.i);
|
||||
default:
|
||||
return -ENOTTY;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,8 @@
|
|||
/*
|
||||
* SoftDog 0.07: A Software Watchdog Device
|
||||
*
|
||||
* (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, All Rights Reserved.
|
||||
* (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
|
||||
* 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
|
||||
|
|
@ -32,7 +33,7 @@
|
|||
* Added WDIOC_GETTIMEOUT and WDIOC_SETTIMOUT.
|
||||
*
|
||||
* 20020530 Joel Becker <joel.becker@oracle.com>
|
||||
* Added Matt Domsch's nowayout module option.
|
||||
* Added Matt Domsch's nowayout module option.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
|
|
|
|||
|
|
@ -462,6 +462,7 @@ module_init(wdt_init);
|
|||
module_exit(wdt_exit);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_AUTHOR("Marcus Junker <junker@anduras.de>, Samuel Tardieu <sam@rfc1149.net>");
|
||||
MODULE_AUTHOR("Marcus Junker <junker@anduras.de>, "
|
||||
"Samuel Tardieu <sam@rfc1149.net>");
|
||||
MODULE_DESCRIPTION("w83697hf/hg WDT driver");
|
||||
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
* w83697ug/uf WDT driver
|
||||
*
|
||||
* (c) Copyright 2008 Flemming Fransen <ff@nrvissing.net>
|
||||
* reused original code to supoprt w83697ug/uf.
|
||||
* reused original code to support w83697ug/uf.
|
||||
*
|
||||
* Based on w83627hf_wdt.c which is based on advantechwdt.c
|
||||
* which is based on wdt.c.
|
||||
|
|
|
|||
|
|
@ -426,7 +426,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|||
return -EFAULT;
|
||||
|
||||
if (wdt_set_timeout(new_timeout))
|
||||
return -EINVAL;
|
||||
return -EINVAL;
|
||||
|
||||
wdt_keepalive();
|
||||
/* Fall */
|
||||
|
|
|
|||
|
|
@ -11,9 +11,9 @@
|
|||
*
|
||||
* http://www.cymru.net
|
||||
*
|
||||
* This driver is provided under the GNU General Public License, incorporated
|
||||
* herein by reference. The driver is provided without warranty or
|
||||
* support.
|
||||
* This driver is provided under the GNU General Public License,
|
||||
* incorporated herein by reference. The driver is provided without
|
||||
* warranty or support.
|
||||
*
|
||||
* Release 0.04.
|
||||
*
|
||||
|
|
@ -39,13 +39,13 @@
|
|||
/* programmable outputs: */
|
||||
#define WDT_PROGOUT (io+15) /* wr=enable, rd=disable */
|
||||
|
||||
/* FAN 501 500 */
|
||||
#define WDC_SR_WCCR 1 /* Active low */ /* X X X */
|
||||
#define WDC_SR_TGOOD 2 /* X X - */
|
||||
#define WDC_SR_ISOI0 4 /* X X X */
|
||||
#define WDC_SR_ISII1 8 /* X X X */
|
||||
#define WDC_SR_FANGOOD 16 /* X - - */
|
||||
#define WDC_SR_PSUOVER 32 /* Active low */ /* X X - */
|
||||
#define WDC_SR_PSUUNDR 64 /* Active low */ /* X X - */
|
||||
#define WDC_SR_IRQ 128 /* Active low */ /* X X X */
|
||||
/* FAN 501 500 */
|
||||
#define WDC_SR_WCCR 1 /* Active low */ /* X X X */
|
||||
#define WDC_SR_TGOOD 2 /* X X - */
|
||||
#define WDC_SR_ISOI0 4 /* X X X */
|
||||
#define WDC_SR_ISII1 8 /* X X X */
|
||||
#define WDC_SR_FANGOOD 16 /* X - - */
|
||||
#define WDC_SR_PSUOVER 32 /* Active low */ /* X X - */
|
||||
#define WDC_SR_PSUUNDR 64 /* Active low */ /* X X - */
|
||||
#define WDC_SR_IRQ 128 /* Active low */ /* X X X */
|
||||
|
||||
|
|
|
|||
|
|
@ -401,7 +401,7 @@ static long wdt977_ioctl(struct file *file, unsigned int cmd,
|
|||
return -EFAULT;
|
||||
|
||||
if (wdt977_set_timeout(new_timeout))
|
||||
return -EINVAL;
|
||||
return -EINVAL;
|
||||
|
||||
wdt977_keepalive();
|
||||
/* Fall */
|
||||
|
|
|
|||
Loading…
Reference in a new issue