summaryrefslogtreecommitdiff
path: root/drivers/watchdog
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/bcm47xx_wdt.c27
-rw-r--r--drivers/watchdog/hpwdt.c34
-rw-r--r--drivers/watchdog/lantiq_wdt.c8
-rw-r--r--drivers/watchdog/sbc_epx_c3.c2
-rw-r--r--drivers/watchdog/smsc37b787_wdt.c2
-rw-r--r--drivers/watchdog/watchdog_dev.c14
6 files changed, 50 insertions, 37 deletions
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index bd44417c84d4..5c5f4b14fd05 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -54,12 +54,35 @@ static atomic_t ticks;
static inline void bcm47xx_wdt_hw_start(void)
{
/* this is 2,5s on 100Mhz clock and 2s on 133 Mhz */
- ssb_watchdog_timer_set(&ssb_bcm47xx, 0xfffffff);
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0xfffffff);
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc,
+ 0xfffffff);
+ break;
+#endif
+ }
}
static inline int bcm47xx_wdt_hw_stop(void)
{
- return ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ return ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
+ return 0;
+#endif
+ }
+ return -EINVAL;
}
static void bcm47xx_timer_tick(unsigned long unused)
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 410fba45378d..3774c9b8dac9 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -35,6 +35,7 @@
#include <linux/notifier.h>
#include <asm/cacheflush.h>
#endif /* CONFIG_HPWDT_NMI_DECODING */
+#include <asm/nmi.h>
#define HPWDT_VERSION "1.3.0"
#define SECS_TO_TICKS(secs) ((secs) * 1000 / 128)
@@ -477,15 +478,11 @@ static int hpwdt_time_left(void)
/*
* NMI Handler
*/
-static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
- void *data)
+static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
{
unsigned long rom_pl;
static int die_nmi_called;
- if (ulReason != DIE_NMIUNKNOWN)
- goto out;
-
if (!hpwdt_nmi_decoding)
goto out;
@@ -494,20 +491,21 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
asminline_call(&cmn_regs, cru_rom_addr);
die_nmi_called = 1;
spin_unlock_irqrestore(&rom_lock, rom_pl);
+
+ if (allow_kdump)
+ hpwdt_stop();
+
if (!is_icru) {
if (cmn_regs.u1.ral == 0) {
- printk(KERN_WARNING "hpwdt: An NMI occurred, "
+ panic("An NMI occurred, "
"but unable to determine source.\n");
}
}
-
- if (allow_kdump)
- hpwdt_stop();
panic("An NMI occurred, please see the Integrated "
"Management Log for details.\n");
out:
- return NOTIFY_OK;
+ return NMI_DONE;
}
#endif /* CONFIG_HPWDT_NMI_DECODING */
@@ -647,13 +645,6 @@ static struct miscdevice hpwdt_miscdev = {
.fops = &hpwdt_fops,
};
-#ifdef CONFIG_HPWDT_NMI_DECODING
-static struct notifier_block die_notifier = {
- .notifier_call = hpwdt_pretimeout,
- .priority = 0,
-};
-#endif /* CONFIG_HPWDT_NMI_DECODING */
-
/*
* Init & Exit
*/
@@ -739,10 +730,9 @@ static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev)
* die notify list to handle a critical NMI. The default is to
* be last so other users of the NMI signal can function.
*/
- if (priority)
- die_notifier.priority = 0x7FFFFFFF;
-
- retval = register_die_notifier(&die_notifier);
+ retval = register_nmi_handler(NMI_UNKNOWN, hpwdt_pretimeout,
+ (priority) ? NMI_FLAG_FIRST : 0,
+ "hpwdt");
if (retval != 0) {
dev_warn(&dev->dev,
"Unable to register a die notifier (err=%d).\n",
@@ -762,7 +752,7 @@ static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev)
static void hpwdt_exit_nmi_decoding(void)
{
- unregister_die_notifier(&die_notifier);
+ unregister_nmi_handler(NMI_UNKNOWN, "hpwdt");
if (cru_rom_addr)
iounmap(cru_rom_addr);
}
diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c
index 7d82adac1cb2..102aed0efbf1 100644
--- a/drivers/watchdog/lantiq_wdt.c
+++ b/drivers/watchdog/lantiq_wdt.c
@@ -51,16 +51,16 @@ static int ltq_wdt_ok_to_close;
static void
ltq_wdt_enable(void)
{
- ltq_wdt_timeout = ltq_wdt_timeout *
+ unsigned long int timeout = ltq_wdt_timeout *
(ltq_io_region_clk_rate / LTQ_WDT_DIVIDER) + 0x1000;
- if (ltq_wdt_timeout > LTQ_MAX_TIMEOUT)
- ltq_wdt_timeout = LTQ_MAX_TIMEOUT;
+ if (timeout > LTQ_MAX_TIMEOUT)
+ timeout = LTQ_MAX_TIMEOUT;
/* write the first password magic */
ltq_w32(LTQ_WDT_PW1, ltq_wdt_membase + LTQ_WDT_CR);
/* write the second magic plus the configuration and new timeout */
ltq_w32(LTQ_WDT_SR_EN | LTQ_WDT_SR_PWD | LTQ_WDT_SR_CLKDIV |
- LTQ_WDT_PW2 | ltq_wdt_timeout, ltq_wdt_membase + LTQ_WDT_CR);
+ LTQ_WDT_PW2 | timeout, ltq_wdt_membase + LTQ_WDT_CR);
}
static void
diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 3066a5127ca8..eaca366b7234 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -173,7 +173,7 @@ static struct notifier_block epx_c3_notifier = {
.notifier_call = epx_c3_notify_sys,
};
-static const char banner[] __initdata = KERN_INFO PFX
+static const char banner[] __initconst = KERN_INFO PFX
"Hardware Watchdog Timer for Winsystems EPX-C3 SBC: 0.1\n";
static int __init watchdog_init(void)
diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b787_wdt.c
index e97b0499bd0d..97b8184614ae 100644
--- a/drivers/watchdog/smsc37b787_wdt.c
+++ b/drivers/watchdog/smsc37b787_wdt.c
@@ -40,7 +40,7 @@
* mknod /dev/watchdog c 10 130
*
* For an example userspace keep-alive daemon, see:
- * Documentation/watchdog/watchdog.txt
+ * Documentation/watchdog/wdt.txt
*/
#include <linux/module.h>
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index d33520d0b4c9..1199da0f98cf 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -59,7 +59,7 @@ static struct watchdog_device *wdd;
static int watchdog_ping(struct watchdog_device *wddev)
{
- if (test_bit(WDOG_ACTIVE, &wdd->status)) {
+ if (test_bit(WDOG_ACTIVE, &wddev->status)) {
if (wddev->ops->ping)
return wddev->ops->ping(wddev); /* ping the watchdog */
else
@@ -81,12 +81,12 @@ static int watchdog_start(struct watchdog_device *wddev)
{
int err;
- if (!test_bit(WDOG_ACTIVE, &wdd->status)) {
+ if (!test_bit(WDOG_ACTIVE, &wddev->status)) {
err = wddev->ops->start(wddev);
if (err < 0)
return err;
- set_bit(WDOG_ACTIVE, &wdd->status);
+ set_bit(WDOG_ACTIVE, &wddev->status);
}
return 0;
}
@@ -105,18 +105,18 @@ static int watchdog_stop(struct watchdog_device *wddev)
{
int err = -EBUSY;
- if (test_bit(WDOG_NO_WAY_OUT, &wdd->status)) {
+ if (test_bit(WDOG_NO_WAY_OUT, &wddev->status)) {
pr_info("%s: nowayout prevents watchdog to be stopped!\n",
- wdd->info->identity);
+ wddev->info->identity);
return err;
}
- if (test_bit(WDOG_ACTIVE, &wdd->status)) {
+ if (test_bit(WDOG_ACTIVE, &wddev->status)) {
err = wddev->ops->stop(wddev);
if (err < 0)
return err;
- clear_bit(WDOG_ACTIVE, &wdd->status);
+ clear_bit(WDOG_ACTIVE, &wddev->status);
}
return 0;
}