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authorLinus Torvalds <torvalds@linux-foundation.org>2011-09-20 10:24:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-20 10:24:46 -0700
commitd006de93531a9876b26919e9d2bbf562654ab736 (patch)
treebc4b965e43ea446543cd2407d7bcec3efa9c09b1
parent0ad79ed34c909205184cb85e855cdf3e17a6eac8 (diff)
parent4e8858d5130459c4af80b990c2280115a1d49877 (diff)
Merge git://www.linux-watchdog.org/linux-watchdog
* git://www.linux-watchdog.org/linux-watchdog: watchdog: Initconst section fixes for watchdog watchdog: lantiq: fix watchdogs timeout handling watchdog: hpwdt: prevent multiple "NMI occurred" messages watchdog: WatchDog Timer Driver Core - use passed watchdog_device
-rw-r--r--drivers/watchdog/hpwdt.c9
-rw-r--r--drivers/watchdog/lantiq_wdt.c8
-rw-r--r--drivers/watchdog/sbc_epx_c3.c2
-rw-r--r--drivers/watchdog/watchdog_dev.c14
4 files changed, 17 insertions, 16 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 410fba45378d..809cbda03d7a 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -494,15 +494,16 @@ 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");
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/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;
}