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-rw-r--r--drivers/watchdog/Kconfig10
-rw-r--r--drivers/watchdog/booke_wdt.c4
-rw-r--r--drivers/watchdog/ep93xx_wdt.c2
-rw-r--r--drivers/watchdog/max63xx_wdt.c7
-rw-r--r--drivers/watchdog/mpcore_wdt.c21
-rw-r--r--drivers/watchdog/sb_wdog.c4
-rw-r--r--drivers/watchdog/sbc_fitpc2_wdt.c14
7 files changed, 34 insertions, 28 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0e8468ffd100..b87ba23442d2 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -175,7 +175,7 @@ config SA1100_WATCHDOG
config MPCORE_WATCHDOG
tristate "MPcore watchdog"
- depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS
+ depends on HAVE_ARM_TWD
help
Watchdog timer embedded into the MPcore system.
@@ -194,10 +194,10 @@ config EP93XX_WATCHDOG
config OMAP_WATCHDOG
tristate "OMAP Watchdog"
- depends on ARCH_OMAP16XX || ARCH_OMAP2 || ARCH_OMAP3
+ depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
help
- Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog. Say 'Y'
- here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog timer.
+ Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
+ here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
config PNX4008_WATCHDOG
tristate "PNX4008 Watchdog"
@@ -302,7 +302,7 @@ config TS72XX_WATCHDOG
config MAX63XX_WATCHDOG
tristate "Max63xx watchdog"
- depends on ARM
+ depends on ARM && HAS_IOMEM
help
Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 8b724aad6825..801ead191499 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -44,7 +44,7 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT;
#ifdef CONFIG_FSL_BOOKE
#define WDTP(x) ((((x)&0x3)<<30)|(((x)&0x3c)<<15))
-#define WDTP_MASK (WDTP(0))
+#define WDTP_MASK (WDTP(0x3f))
#else
#define WDTP(x) (TCR_WP(x))
#define WDTP_MASK (TCR_WP_MASK)
@@ -121,7 +121,7 @@ static ssize_t booke_wdt_write(struct file *file, const char __user *buf,
return count;
}
-static const struct watchdog_info ident = {
+static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
.identity = "PowerPC Book-E Watchdog",
};
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index 88ed54e50f74..59359c9a5e01 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -244,7 +244,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout,
"Watchdog timeout in seconds. (1<=timeout<=3600, default="
- __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+ __MODULE_STRING(WDT_TIMEOUT) ")");
MODULE_AUTHOR("Ray Lehtiniemi <rayl@mail.com>,"
"Alessandro Zummo <a.zummo@towertech.it>");
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c
index 75f3a83c0361..3053ff05ca41 100644
--- a/drivers/watchdog/max63xx_wdt.c
+++ b/drivers/watchdog/max63xx_wdt.c
@@ -154,9 +154,14 @@ static void max63xx_wdt_enable(struct max63xx_timeout *entry)
static void max63xx_wdt_disable(void)
{
+ u8 val;
+
spin_lock(&io_lock);
- __raw_writeb(3, wdt_base);
+ val = __raw_readb(wdt_base);
+ val &= ~MAX6369_WDSET;
+ val |= 3;
+ __raw_writeb(val, wdt_base);
spin_unlock(&io_lock);
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index 016c6a791cab..b8ec7aca3c8e 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -31,8 +31,9 @@
#include <linux/platform_device.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
+#include <linux/io.h>
-#include <asm/hardware/arm_twd.h>
+#include <asm/smp_twd.h>
struct mpcore_wdt {
unsigned long timer_alive;
@@ -44,7 +45,7 @@ struct mpcore_wdt {
};
static struct platform_device *mpcore_wdt_dev;
-extern unsigned int mpcore_timer_rate;
+static DEFINE_SPINLOCK(wdt_lock);
#define TIMER_MARGIN 60
static int mpcore_margin = TIMER_MARGIN;
@@ -94,13 +95,15 @@ static irqreturn_t mpcore_wdt_fire(int irq, void *arg)
*/
static void mpcore_wdt_keepalive(struct mpcore_wdt *wdt)
{
- unsigned int count;
+ unsigned long count;
+ spin_lock(&wdt_lock);
/* Assume prescale is set to 256 */
- count = (mpcore_timer_rate / 256) * mpcore_margin;
+ count = __raw_readl(wdt->base + TWD_WDOG_COUNTER);
+ count = (0xFFFFFFFFU - count) * (HZ / 5);
+ count = (count / 256) * mpcore_margin;
/* Reload the counter */
- spin_lock(&wdt_lock);
writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD);
wdt->perturb = wdt->perturb ? 0 : 1;
spin_unlock(&wdt_lock);
@@ -119,7 +122,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
{
dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n");
- spin_lock(&wdt_lock);
/* This loads the count register but does NOT start the count yet */
mpcore_wdt_keepalive(wdt);
@@ -130,7 +132,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
/* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
}
- spin_unlock(&wdt_lock);
}
static int mpcore_wdt_set_heartbeat(int t)
@@ -360,7 +361,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
mpcore_wdt_miscdev.parent = &dev->dev;
ret = misc_register(&mpcore_wdt_miscdev);
if (ret) {
- dev_printk(KERN_ERR, _dev,
+ dev_printk(KERN_ERR, wdt->dev,
"cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
goto err_misc;
@@ -369,13 +370,13 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED,
"mpcore_wdt", wdt);
if (ret) {
- dev_printk(KERN_ERR, _dev,
+ dev_printk(KERN_ERR, wdt->dev,
"cannot register IRQ%d for watchdog\n", wdt->irq);
goto err_irq;
}
mpcore_wdt_stop(wdt);
- platform_set_drvdata(&dev->dev, wdt);
+ platform_set_drvdata(dev, wdt);
mpcore_wdt_dev = dev;
return 0;
diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c
index c8eadd478175..88c83aa57303 100644
--- a/drivers/watchdog/sb_wdog.c
+++ b/drivers/watchdog/sb_wdog.c
@@ -67,8 +67,8 @@ static DEFINE_SPINLOCK(sbwd_lock);
void sbwdog_set(char __iomem *wdog, unsigned long t)
{
spin_lock(&sbwd_lock);
- __raw_writeb(0, wdog - 0x10);
- __raw_writeq(t & 0x7fffffUL, wdog);
+ __raw_writeb(0, wdog);
+ __raw_writeq(t & 0x7fffffUL, wdog - 0x10);
spin_unlock(&sbwd_lock);
}
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
index 8d44c9b6fb5b..c7d67e9a7465 100644
--- a/drivers/watchdog/sbc_fitpc2_wdt.c
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -30,7 +30,7 @@
static int nowayout = WATCHDOG_NOWAYOUT;
static unsigned int margin = 60; /* (secs) Default is 1 minute */
static unsigned long wdt_status;
-static DEFINE_SPINLOCK(wdt_lock);
+static DEFINE_MUTEX(wdt_lock);
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
@@ -45,26 +45,26 @@ static DEFINE_SPINLOCK(wdt_lock);
static void wdt_send_data(unsigned char command, unsigned char data)
{
- outb(command, COMMAND_PORT);
- msleep(100);
outb(data, DATA_PORT);
msleep(200);
+ outb(command, COMMAND_PORT);
+ msleep(100);
}
static void wdt_enable(void)
{
- spin_lock(&wdt_lock);
+ mutex_lock(&wdt_lock);
wdt_send_data(IFACE_ON_COMMAND, 1);
wdt_send_data(REBOOT_COMMAND, margin);
- spin_unlock(&wdt_lock);
+ mutex_unlock(&wdt_lock);
}
static void wdt_disable(void)
{
- spin_lock(&wdt_lock);
+ mutex_lock(&wdt_lock);
wdt_send_data(IFACE_ON_COMMAND, 0);
wdt_send_data(REBOOT_COMMAND, 0);
- spin_unlock(&wdt_lock);
+ mutex_unlock(&wdt_lock);
}
static int fitpc2_wdt_open(struct inode *inode, struct file *file)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 12:08:42 +0100