Merge watchdog driver updates
Automated merge from master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog failed due to duplicate different changes to Kconfig file. Manually fixed up. Hopefully.
This commit is contained in:
Linus Torvalds
Коммит
67d2c36e90
|
|
@ -2,43 +2,68 @@
|
|||
# Makefile for the WatchDog device drivers.
|
||||
#
|
||||
|
||||
# Only one watchdog can succeed. We probe the ISA/PCI/USB based
|
||||
# watchdog-cards first, then the architecture specific watchdog
|
||||
# drivers and then the architecture independant "softdog" driver.
|
||||
# This means that if your ISA/PCI/USB card isn't detected that
|
||||
# you can fall back to an architecture specific driver and if
|
||||
# that also fails then you can fall back to the software watchdog
|
||||
# to give you some cover.
|
||||
|
||||
# ISA-based Watchdog Cards
|
||||
obj-$(CONFIG_PCWATCHDOG) += pcwd.o
|
||||
obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
|
||||
obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
|
||||
obj-$(CONFIG_IB700_WDT) += ib700wdt.o
|
||||
obj-$(CONFIG_MIXCOMWD) += mixcomwd.o
|
||||
obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
|
||||
obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
|
||||
obj-$(CONFIG_WDT) += wdt.o
|
||||
|
||||
# PCI-based Watchdog Cards
|
||||
obj-$(CONFIG_PCIPCWATCHDOG) += pcwd_pci.o
|
||||
obj-$(CONFIG_WDTPCI) += wdt_pci.o
|
||||
|
||||
# USB-based Watchdog Cards
|
||||
obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
|
||||
|
||||
# ARM Architecture
|
||||
obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
|
||||
obj-$(CONFIG_977_WATCHDOG) += wdt977.o
|
||||
obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o
|
||||
obj-$(CONFIG_MACHZ_WDT) += machzwd.o
|
||||
obj-$(CONFIG_SH_WDT) += shwdt.o
|
||||
obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
|
||||
obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
|
||||
obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
|
||||
obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
|
||||
obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o
|
||||
obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
|
||||
obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
|
||||
obj-$(CONFIG_SC520_WDT) += sc520_wdt.o
|
||||
obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o
|
||||
|
||||
# X86 (i386 + ia64 + x86_64) Architecture
|
||||
obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
|
||||
obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
|
||||
obj-$(CONFIG_ALIM1535_WDT) += alim1535_wdt.o
|
||||
obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
|
||||
obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o
|
||||
obj-$(CONFIG_SC520_WDT) += sc520_wdt.o
|
||||
obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o
|
||||
obj-$(CONFIG_IB700_WDT) += ib700wdt.o
|
||||
obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
|
||||
obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o
|
||||
obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
|
||||
obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
|
||||
obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
|
||||
obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o
|
||||
obj-$(CONFIG_INDYDOG) += indydog.o
|
||||
obj-$(CONFIG_PCIPCWATCHDOG) += pcwd_pci.o
|
||||
obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
|
||||
obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
|
||||
obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
|
||||
obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
|
||||
obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
|
||||
obj-$(CONFIG_MACHZ_WDT) += machzwd.o
|
||||
|
||||
# PowerPC Architecture
|
||||
obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
|
||||
|
||||
# PPC64 Architecture
|
||||
obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o
|
||||
obj-$(CONFIG_BOOKE_WDT) += booke_wdt.o
|
||||
|
||||
# Only one watchdog can succeed. We probe the hardware watchdog
|
||||
# drivers first, then the softdog driver. This means if your hardware
|
||||
# watchdog dies or is 'borrowed' for some reason the software watchdog
|
||||
# still gives you some cover.
|
||||
# MIPS Architecture
|
||||
obj-$(CONFIG_INDYDOG) += indydog.o
|
||||
|
||||
# S390 Architecture
|
||||
|
||||
# SUPERH Architecture
|
||||
obj-$(CONFIG_SH_WDT) += shwdt.o
|
||||
|
||||
# SPARC64 Architecture
|
||||
|
||||
# Architecture Independant
|
||||
obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o
|
||||
|
|
|
|||
|
|
@ -182,7 +182,7 @@ static struct file_operations ixp2000_wdt_fops =
|
|||
static struct miscdevice ixp2000_wdt_miscdev =
|
||||
{
|
||||
.minor = WATCHDOG_MINOR,
|
||||
.name = "IXP2000 Watchdog",
|
||||
.name = "watchdog",
|
||||
.fops = &ixp2000_wdt_fops,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -176,7 +176,7 @@ static struct file_operations ixp4xx_wdt_fops =
|
|||
static struct miscdevice ixp4xx_wdt_miscdev =
|
||||
{
|
||||
.minor = WATCHDOG_MINOR,
|
||||
.name = "IXP4xx Watchdog",
|
||||
.name = "watchdog",
|
||||
.fops = &ixp4xx_wdt_fops,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -27,7 +27,10 @@
|
|||
* Fixed tmr_count / wdt_count confusion
|
||||
* Added configurable debug
|
||||
*
|
||||
* 11-Jan-2004 BJD Fixed divide-by-2 in timeout code
|
||||
* 11-Jan-2005 BJD Fixed divide-by-2 in timeout code
|
||||
*
|
||||
* 25-Jan-2005 DA Added suspend/resume support
|
||||
* Replaced reboot notifier with .shutdown method
|
||||
*
|
||||
* 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
|
||||
*/
|
||||
|
|
@ -40,8 +43,6 @@
|
|||
#include <linux/miscdevice.h>
|
||||
#include <linux/watchdog.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/notifier.h>
|
||||
#include <linux/reboot.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/interrupt.h>
|
||||
|
|
@ -317,20 +318,6 @@ static int s3c2410wdt_ioctl(struct inode *inode, struct file *file,
|
|||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Notifier for system down
|
||||
*/
|
||||
|
||||
static int s3c2410wdt_notify_sys(struct notifier_block *this, unsigned long code,
|
||||
void *unused)
|
||||
{
|
||||
if(code==SYS_DOWN || code==SYS_HALT) {
|
||||
/* Turn the WDT off */
|
||||
s3c2410wdt_stop();
|
||||
}
|
||||
return NOTIFY_DONE;
|
||||
}
|
||||
|
||||
/* kernel interface */
|
||||
|
||||
static struct file_operations s3c2410wdt_fops = {
|
||||
|
|
@ -348,10 +335,6 @@ static struct miscdevice s3c2410wdt_miscdev = {
|
|||
.fops = &s3c2410wdt_fops,
|
||||
};
|
||||
|
||||
static struct notifier_block s3c2410wdt_notifier = {
|
||||
.notifier_call = s3c2410wdt_notify_sys,
|
||||
};
|
||||
|
||||
/* interrupt handler code */
|
||||
|
||||
static irqreturn_t s3c2410wdt_irq(int irqno, void *param,
|
||||
|
|
@ -432,18 +415,10 @@ static int s3c2410wdt_probe(struct device *dev)
|
|||
}
|
||||
}
|
||||
|
||||
ret = register_reboot_notifier(&s3c2410wdt_notifier);
|
||||
if (ret) {
|
||||
printk (KERN_ERR PFX "cannot register reboot notifier (%d)\n",
|
||||
ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = misc_register(&s3c2410wdt_miscdev);
|
||||
if (ret) {
|
||||
printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
|
||||
WATCHDOG_MINOR, ret);
|
||||
unregister_reboot_notifier(&s3c2410wdt_notifier);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -479,15 +454,63 @@ static int s3c2410wdt_remove(struct device *dev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void s3c2410wdt_shutdown(struct device *dev)
|
||||
{
|
||||
s3c2410wdt_stop();
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
|
||||
static unsigned long wtcon_save;
|
||||
static unsigned long wtdat_save;
|
||||
|
||||
static int s3c2410wdt_suspend(struct device *dev, u32 state, u32 level)
|
||||
{
|
||||
if (level == SUSPEND_POWER_DOWN) {
|
||||
/* Save watchdog state, and turn it off. */
|
||||
wtcon_save = readl(wdt_base + S3C2410_WTCON);
|
||||
wtdat_save = readl(wdt_base + S3C2410_WTDAT);
|
||||
|
||||
/* Note that WTCNT doesn't need to be saved. */
|
||||
s3c2410wdt_stop();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int s3c2410wdt_resume(struct device *dev, u32 level)
|
||||
{
|
||||
if (level == RESUME_POWER_ON) {
|
||||
/* Restore watchdog state. */
|
||||
|
||||
writel(wtdat_save, wdt_base + S3C2410_WTDAT);
|
||||
writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */
|
||||
writel(wtcon_save, wdt_base + S3C2410_WTCON);
|
||||
|
||||
printk(KERN_INFO PFX "watchdog %sabled\n",
|
||||
(wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else
|
||||
#define s3c2410wdt_suspend NULL
|
||||
#define s3c2410wdt_resume NULL
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
|
||||
static struct device_driver s3c2410wdt_driver = {
|
||||
.name = "s3c2410-wdt",
|
||||
.bus = &platform_bus_type,
|
||||
.probe = s3c2410wdt_probe,
|
||||
.remove = s3c2410wdt_remove,
|
||||
.shutdown = s3c2410wdt_shutdown,
|
||||
.suspend = s3c2410wdt_suspend,
|
||||
.resume = s3c2410wdt_resume,
|
||||
};
|
||||
|
||||
|
||||
|
||||
static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics\n";
|
||||
|
||||
static int __init watchdog_init(void)
|
||||
|
|
@ -499,13 +522,13 @@ static int __init watchdog_init(void)
|
|||
static void __exit watchdog_exit(void)
|
||||
{
|
||||
driver_unregister(&s3c2410wdt_driver);
|
||||
unregister_reboot_notifier(&s3c2410wdt_notifier);
|
||||
}
|
||||
|
||||
module_init(watchdog_init);
|
||||
module_exit(watchdog_exit);
|
||||
|
||||
MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
|
||||
MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>, "
|
||||
"Dimitry Andric <dimitry.andric@tomtom.com>");
|
||||
MODULE_DESCRIPTION("S3C2410 Watchdog Device Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
|
||||
|
|
|
|||
|
|
@ -206,7 +206,7 @@ static struct file_operations scx200_wdt_fops = {
|
|||
|
||||
static struct miscdevice scx200_wdt_miscdev = {
|
||||
.minor = WATCHDOG_MINOR,
|
||||
.name = NAME,
|
||||
.name = "watchdog",
|
||||
.fops = &scx200_wdt_fops,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -77,7 +77,7 @@ static void watchdog_fire(unsigned long);
|
|||
|
||||
static struct timer_list watchdog_ticktock =
|
||||
TIMER_INITIALIZER(watchdog_fire, 0, 0);
|
||||
static unsigned long timer_alive;
|
||||
static unsigned long driver_open, orphan_timer;
|
||||
static char expect_close;
|
||||
|
||||
|
||||
|
|
@ -87,6 +87,9 @@ static char expect_close;
|
|||
|
||||
static void watchdog_fire(unsigned long data)
|
||||
{
|
||||
if (test_and_clear_bit(0, &orphan_timer))
|
||||
module_put(THIS_MODULE);
|
||||
|
||||
if (soft_noboot)
|
||||
printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n");
|
||||
else
|
||||
|
|
@ -128,9 +131,9 @@ static int softdog_set_heartbeat(int t)
|
|||
|
||||
static int softdog_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
if(test_and_set_bit(0, &timer_alive))
|
||||
if (test_and_set_bit(0, &driver_open))
|
||||
return -EBUSY;
|
||||
if (nowayout)
|
||||
if (!test_and_clear_bit(0, &orphan_timer))
|
||||
__module_get(THIS_MODULE);
|
||||
/*
|
||||
* Activate timer
|
||||
|
|
@ -147,11 +150,13 @@ static int softdog_release(struct inode *inode, struct file *file)
|
|||
*/
|
||||
if (expect_close == 42) {
|
||||
softdog_stop();
|
||||
module_put(THIS_MODULE);
|
||||
} else {
|
||||
printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
|
||||
set_bit(0, &orphan_timer);
|
||||
softdog_keepalive();
|
||||
}
|
||||
clear_bit(0, &timer_alive);
|
||||
clear_bit(0, &driver_open);
|
||||
expect_close = 0;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -93,6 +93,12 @@ w83627hf_init(void)
|
|||
|
||||
w83627hf_select_wd_register();
|
||||
|
||||
outb_p(0xF6, WDT_EFER); /* Select CRF6 */
|
||||
t=inb_p(WDT_EFDR); /* read CRF6 */
|
||||
if (t != 0) {
|
||||
printk (KERN_INFO PFX "Watchdog already running. Resetting timeout to %d sec\n", timeout);
|
||||
outb_p(timeout, WDT_EFDR); /* Write back to CRF6 */
|
||||
}
|
||||
outb_p(0xF5, WDT_EFER); /* Select CRF5 */
|
||||
t=inb_p(WDT_EFDR); /* read CRF5 */
|
||||
t&=~0x0C; /* set second mode & disable keyboard turning off watchdog */
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче