* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-02 8:03 ` Viresh KUMAR
0 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-02 8:03 UTC (permalink / raw)
To: wim
Cc: linux-kernel, linux-arm-kernel, shiraz.hashim, armando.visconti,
Viresh Kumar
Technical Reference Manual can be found at:
http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
---
drivers/watchdog/Kconfig | 7 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 394 insertions(+), 0 deletions(-)
create mode 100644 drivers/watchdog/sp805_wdt.c
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b87ba23..2759a91 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -73,6 +73,13 @@ config WM8350_WATCHDOG
# ARM Architecture
+config ARM_SP805_WATCHDOG
+ tristate "ARM SP805 Watchdog"
+ depends on ARM_AMBA
+ help
+ ARM Primecell SP805 Watchdog timer. This will reboot your system when
+ the timeout is reached.
+
config AT91RM9200_WATCHDOG
tristate "AT91RM9200 watchdog"
depends on ARCH_AT91RM9200
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 5e3cb95..28af87a 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
# ALPHA Architecture
# ARM Architecture
+obj-$(CONFIG_ARM_SP805_WATCHDOG) += sp805_wdt.o
obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o
obj-$(CONFIG_AT91SAM9X_WATCHDOG) += at91sam9_wdt.o
obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
new file mode 100644
index 0000000..85d86ac
--- /dev/null
+++ b/drivers/watchdog/sp805_wdt.c
@@ -0,0 +1,386 @@
+/*
+ * drivers/char/watchdog/sp805-wdt.c
+ *
+ * Watchdog driver for ARM SP805 watchdog module
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2 or later. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/device.h>
+#include <linux/resource.h>
+#include <linux/amba/bus.h>
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/math64.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/watchdog.h>
+
+/* default timeout in seconds */
+#define DEFAULT_TIMEOUT 60
+
+#define MODULE_NAME "sp805-wdt"
+
+/* watchdog register offsets and masks */
+#define WDTLOAD 0x000
+ #define LOAD_MIN 0x00000001
+ #define LOAD_MAX 0xFFFFFFFF
+#define WDTVALUE 0x004
+#define WDTCONTROL 0x008
+ /* control register masks */
+ #define INT_ENABLE (1 << 0)
+ #define RESET_ENABLE (1 << 1)
+#define WDTINTCLR 0x00C
+#define WDTRIS 0x010
+#define WDTMIS 0x014
+ #define INT_MASK (1 << 0)
+#define WDTLOCK 0xC00
+ #define UNLOCK 0x1ACCE551
+ #define LOCK 0x00000001
+
+/**
+ * struct sp805_wdt: sp805 wdt device structure
+ *
+ * lock: spin lock protecting dev structure and io access
+ * base: base address of wdt
+ * clk: clock structure of wdt
+ * dev: amba device structure of wdt
+ * status: current status of wdt
+ * load_val: load value to be set for current timeout
+ * timeout: current programmed timeout
+ */
+struct sp805_wdt {
+ spinlock_t lock;
+ void __iomem *base;
+ struct clk *clk;
+ struct amba_device *adev;
+ unsigned long status;
+ #define WDT_BUSY 0
+ #define WDT_CAN_BE_CLOSED 1
+ unsigned int load_val;
+ unsigned int timeout;
+};
+
+/* local variables */
+static struct sp805_wdt *wdt;
+static int nowayout = WATCHDOG_NOWAYOUT;
+
+/* This routine finds load value that will reset system in required timout */
+static void wdt_setload(unsigned int timeout)
+{
+ u64 load, rate;
+
+ rate = clk_get_rate(wdt->clk);
+
+ /*
+ * sp805 runs counter with given value twice, after the end of first
+ * counter it gives an interrupt and then starts counter again. If
+ * interrupt already occured then it resets the system. This is why
+ * load is half of what should be required.
+ */
+ load = div_u64(rate, 2) * timeout - 1;
+
+ load = (load > LOAD_MAX) ? LOAD_MAX : load;
+ load = (load < LOAD_MIN) ? LOAD_MIN : load;
+
+ spin_lock(&wdt->lock);
+ wdt->load_val = load;
+ /* roundup timeout to closest positive integer value */
+ wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
+ spin_unlock(&wdt->lock);
+}
+
+/* returns number of seconds left for reset to occur */
+static u32 wdt_timeleft(void)
+{
+ u64 load, rate;
+
+ rate = clk_get_rate(wdt->clk);
+
+ spin_lock(&wdt->lock);
+ load = readl(wdt->base + WDTVALUE);
+
+ /*If the interrupt is inactive then time left is WDTValue + WDTLoad. */
+ if (!(readl(wdt->base + WDTRIS) & INT_MASK))
+ load += wdt->load_val + 1;
+ spin_unlock(&wdt->lock);
+
+ return div_u64(load, rate);
+}
+
+/* enables watchdog timers reset */
+static void wdt_enable(void)
+{
+ spin_lock(&wdt->lock);
+
+ writel(UNLOCK, wdt->base + WDTLOCK);
+ writel(wdt->load_val, wdt->base + WDTLOAD);
+ writel(INT_MASK, wdt->base + WDTINTCLR);
+ writel(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL);
+ writel(LOCK, wdt->base + WDTLOCK);
+
+ spin_unlock(&wdt->lock);
+}
+
+/* disables watchdog timers reset */
+static void wdt_disable(void)
+{
+ spin_lock(&wdt->lock);
+
+ writel(UNLOCK, wdt->base + WDTLOCK);
+ writel(0, wdt->base + WDTCONTROL);
+ writel(0, wdt->base + WDTLOAD);
+ writel(LOCK, wdt->base + WDTLOCK);
+
+ spin_unlock(&wdt->lock);
+}
+
+static ssize_t sp805_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
+{
+ if (len) {
+ if (!nowayout) {
+ size_t i;
+
+ clear_bit(WDT_CAN_BE_CLOSED, &wdt->status);
+
+ for (i = 0; i != len; i++) {
+ char c;
+
+ if (get_user(c, data + i))
+ return -EFAULT;
+ /* Check for Magic Close character */
+ if (c == 'V') {
+ set_bit(WDT_CAN_BE_CLOSED,
+ &wdt->status);
+ break;
+ }
+ }
+ }
+ wdt_enable();
+ }
+ return len;
+}
+
+static const struct watchdog_info ident = {
+ .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+ .identity = MODULE_NAME,
+};
+
+static long sp805_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret = -ENOTTY;
+ unsigned int timeout;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ret = copy_to_user((struct watchdog_info *)arg, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
+ break;
+
+ case WDIOC_GETSTATUS:
+ ret = put_user(0, (int *)arg);
+ break;
+
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(timeout, (unsigned int *)arg);
+ if (ret)
+ break;
+
+ wdt_setload(timeout);
+
+ wdt_enable();
+ /* Fall through */
+
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(wdt->timeout, (unsigned int *)arg);
+ break;
+ case WDIOC_GETTIMELEFT:
+ ret = put_user(wdt_timeleft(), (unsigned int *)arg);
+ break;
+ }
+ return ret;
+}
+
+static int sp805_wdt_open(struct inode *inode, struct file *file)
+{
+ int ret = 0;
+
+ if (test_and_set_bit(WDT_BUSY, &wdt->status))
+ return -EBUSY;
+
+ ret = clk_enable(wdt->clk);
+ if (ret) {
+ dev_err(&wdt->adev->dev, "clock enable fail");
+ goto err;
+ }
+
+ wdt_enable();
+
+ /* can not be closed, once enabled */
+ clear_bit(WDT_CAN_BE_CLOSED, &wdt->status);
+ return nonseekable_open(inode, file);
+
+err:
+ clear_bit(WDT_BUSY, &wdt->status);
+ return ret;
+}
+
+static int sp805_wdt_release(struct inode *inode, struct file *file)
+{
+ if (!test_bit(WDT_CAN_BE_CLOSED, &wdt->status)) {
+ clear_bit(WDT_BUSY, &wdt->status);
+ dev_warn(&wdt->adev->dev, "Device closed unexpectedly\n");
+ return 0;
+ }
+
+ wdt_disable();
+ clk_disable(wdt->clk);
+ clear_bit(WDT_BUSY, &wdt->status);
+
+ return 0;
+}
+
+static const struct file_operations sp805_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = sp805_wdt_write,
+ .unlocked_ioctl = sp805_wdt_ioctl,
+ .open = sp805_wdt_open,
+ .release = sp805_wdt_release,
+};
+
+static struct miscdevice sp805_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &sp805_wdt_fops,
+};
+
+static int __devinit
+sp805_wdt_probe(struct amba_device *adev, struct amba_id *id)
+{
+ int ret = 0;
+
+ if (!request_mem_region(adev->res.start, resource_size(&adev->res),
+ "sp805_wdt")) {
+ dev_warn(&adev->dev, "Failed to get memory region resource\n");
+ ret = -ENOENT;
+ goto err;
+ }
+
+ wdt = kzalloc(sizeof(*wdt), GFP_KERNEL);
+ if (!wdt) {
+ dev_warn(&adev->dev, "Kzalloc failed\n");
+ ret = -ENOMEM;
+ goto err_kzalloc;
+ }
+
+ wdt->clk = clk_get(&adev->dev, NULL);
+ if (IS_ERR(wdt->clk)) {
+ dev_warn(&adev->dev, "Clock not found\n");
+ ret = PTR_ERR(wdt->clk);
+ goto err_clk_get;
+ }
+
+ wdt->base = ioremap(adev->res.start, resource_size(&adev->res));
+ if (!wdt->base) {
+ ret = -ENOMEM;
+ dev_warn(&adev->dev, "ioremap fail\n");
+ goto err_ioremap;
+ }
+
+ wdt->adev = adev;
+ spin_lock_init(&wdt->lock);
+ wdt_setload(DEFAULT_TIMEOUT);
+
+ ret = misc_register(&sp805_wdt_miscdev);
+ if (ret < 0) {
+ dev_warn(&adev->dev, "cannot register misc device\n");
+ goto err_misc_register;
+ }
+
+ dev_info(&adev->dev, "registration successful\n");
+ return 0;
+
+err_misc_register:
+ iounmap(wdt->base);
+err_ioremap:
+ clk_put(wdt->clk);
+err_clk_get:
+ kfree(wdt);
+ wdt = NULL;
+err_kzalloc:
+ release_mem_region(adev->res.start, resource_size(&adev->res));
+err:
+ dev_err(&adev->dev, "Probe Failed!!!\n");
+ return ret;
+}
+
+static int __devexit sp805_wdt_remove(struct amba_device *adev)
+{
+ misc_deregister(&sp805_wdt_miscdev);
+ iounmap(wdt->base);
+ clk_put(wdt->clk);
+ kfree(wdt);
+ release_mem_region(adev->res.start, resource_size(&adev->res));
+
+ return 0;
+}
+
+static struct amba_id sp805_wdt_ids[] __initdata = {
+ {
+ .id = 0x00141805,
+ .mask = 0x00ffffff,
+ },
+ { 0, 0 },
+};
+
+static struct amba_driver sp805_wdt_driver = {
+ .drv = {
+ .name = MODULE_NAME,
+ },
+ .id_table = sp805_wdt_ids,
+ .probe = sp805_wdt_probe,
+ .remove = __devexit_p(sp805_wdt_remove),
+};
+
+static int __init sp805_wdt_init(void)
+{
+ return amba_driver_register(&sp805_wdt_driver);
+}
+module_init(sp805_wdt_init);
+
+static void __exit sp805_wdt_exit(void)
+{
+ amba_driver_unregister(&sp805_wdt_driver);
+}
+module_exit(sp805_wdt_exit);
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+ "Set to 1 to keep watchdog running after device release");
+
+MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_DESCRIPTION("ARM SP805 Watchdog Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
--
1.6.0.2
^ permalink raw reply related [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-02 8:03 ` Viresh KUMAR
0 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-02 8:03 UTC (permalink / raw)
To: linux-arm-kernel
Technical Reference Manual can be found at:
http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
---
drivers/watchdog/Kconfig | 7 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 394 insertions(+), 0 deletions(-)
create mode 100644 drivers/watchdog/sp805_wdt.c
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b87ba23..2759a91 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -73,6 +73,13 @@ config WM8350_WATCHDOG
# ARM Architecture
+config ARM_SP805_WATCHDOG
+ tristate "ARM SP805 Watchdog"
+ depends on ARM_AMBA
+ help
+ ARM Primecell SP805 Watchdog timer. This will reboot your system when
+ the timeout is reached.
+
config AT91RM9200_WATCHDOG
tristate "AT91RM9200 watchdog"
depends on ARCH_AT91RM9200
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 5e3cb95..28af87a 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
# ALPHA Architecture
# ARM Architecture
+obj-$(CONFIG_ARM_SP805_WATCHDOG) += sp805_wdt.o
obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o
obj-$(CONFIG_AT91SAM9X_WATCHDOG) += at91sam9_wdt.o
obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
new file mode 100644
index 0000000..85d86ac
--- /dev/null
+++ b/drivers/watchdog/sp805_wdt.c
@@ -0,0 +1,386 @@
+/*
+ * drivers/char/watchdog/sp805-wdt.c
+ *
+ * Watchdog driver for ARM SP805 watchdog module
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2 or later. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/device.h>
+#include <linux/resource.h>
+#include <linux/amba/bus.h>
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/math64.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/watchdog.h>
+
+/* default timeout in seconds */
+#define DEFAULT_TIMEOUT 60
+
+#define MODULE_NAME "sp805-wdt"
+
+/* watchdog register offsets and masks */
+#define WDTLOAD 0x000
+ #define LOAD_MIN 0x00000001
+ #define LOAD_MAX 0xFFFFFFFF
+#define WDTVALUE 0x004
+#define WDTCONTROL 0x008
+ /* control register masks */
+ #define INT_ENABLE (1 << 0)
+ #define RESET_ENABLE (1 << 1)
+#define WDTINTCLR 0x00C
+#define WDTRIS 0x010
+#define WDTMIS 0x014
+ #define INT_MASK (1 << 0)
+#define WDTLOCK 0xC00
+ #define UNLOCK 0x1ACCE551
+ #define LOCK 0x00000001
+
+/**
+ * struct sp805_wdt: sp805 wdt device structure
+ *
+ * lock: spin lock protecting dev structure and io access
+ * base: base address of wdt
+ * clk: clock structure of wdt
+ * dev: amba device structure of wdt
+ * status: current status of wdt
+ * load_val: load value to be set for current timeout
+ * timeout: current programmed timeout
+ */
+struct sp805_wdt {
+ spinlock_t lock;
+ void __iomem *base;
+ struct clk *clk;
+ struct amba_device *adev;
+ unsigned long status;
+ #define WDT_BUSY 0
+ #define WDT_CAN_BE_CLOSED 1
+ unsigned int load_val;
+ unsigned int timeout;
+};
+
+/* local variables */
+static struct sp805_wdt *wdt;
+static int nowayout = WATCHDOG_NOWAYOUT;
+
+/* This routine finds load value that will reset system in required timout */
+static void wdt_setload(unsigned int timeout)
+{
+ u64 load, rate;
+
+ rate = clk_get_rate(wdt->clk);
+
+ /*
+ * sp805 runs counter with given value twice, after the end of first
+ * counter it gives an interrupt and then starts counter again. If
+ * interrupt already occured then it resets the system. This is why
+ * load is half of what should be required.
+ */
+ load = div_u64(rate, 2) * timeout - 1;
+
+ load = (load > LOAD_MAX) ? LOAD_MAX : load;
+ load = (load < LOAD_MIN) ? LOAD_MIN : load;
+
+ spin_lock(&wdt->lock);
+ wdt->load_val = load;
+ /* roundup timeout to closest positive integer value */
+ wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
+ spin_unlock(&wdt->lock);
+}
+
+/* returns number of seconds left for reset to occur */
+static u32 wdt_timeleft(void)
+{
+ u64 load, rate;
+
+ rate = clk_get_rate(wdt->clk);
+
+ spin_lock(&wdt->lock);
+ load = readl(wdt->base + WDTVALUE);
+
+ /*If the interrupt is inactive then time left is WDTValue + WDTLoad. */
+ if (!(readl(wdt->base + WDTRIS) & INT_MASK))
+ load += wdt->load_val + 1;
+ spin_unlock(&wdt->lock);
+
+ return div_u64(load, rate);
+}
+
+/* enables watchdog timers reset */
+static void wdt_enable(void)
+{
+ spin_lock(&wdt->lock);
+
+ writel(UNLOCK, wdt->base + WDTLOCK);
+ writel(wdt->load_val, wdt->base + WDTLOAD);
+ writel(INT_MASK, wdt->base + WDTINTCLR);
+ writel(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL);
+ writel(LOCK, wdt->base + WDTLOCK);
+
+ spin_unlock(&wdt->lock);
+}
+
+/* disables watchdog timers reset */
+static void wdt_disable(void)
+{
+ spin_lock(&wdt->lock);
+
+ writel(UNLOCK, wdt->base + WDTLOCK);
+ writel(0, wdt->base + WDTCONTROL);
+ writel(0, wdt->base + WDTLOAD);
+ writel(LOCK, wdt->base + WDTLOCK);
+
+ spin_unlock(&wdt->lock);
+}
+
+static ssize_t sp805_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
+{
+ if (len) {
+ if (!nowayout) {
+ size_t i;
+
+ clear_bit(WDT_CAN_BE_CLOSED, &wdt->status);
+
+ for (i = 0; i != len; i++) {
+ char c;
+
+ if (get_user(c, data + i))
+ return -EFAULT;
+ /* Check for Magic Close character */
+ if (c == 'V') {
+ set_bit(WDT_CAN_BE_CLOSED,
+ &wdt->status);
+ break;
+ }
+ }
+ }
+ wdt_enable();
+ }
+ return len;
+}
+
+static const struct watchdog_info ident = {
+ .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+ .identity = MODULE_NAME,
+};
+
+static long sp805_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret = -ENOTTY;
+ unsigned int timeout;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ret = copy_to_user((struct watchdog_info *)arg, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
+ break;
+
+ case WDIOC_GETSTATUS:
+ ret = put_user(0, (int *)arg);
+ break;
+
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(timeout, (unsigned int *)arg);
+ if (ret)
+ break;
+
+ wdt_setload(timeout);
+
+ wdt_enable();
+ /* Fall through */
+
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(wdt->timeout, (unsigned int *)arg);
+ break;
+ case WDIOC_GETTIMELEFT:
+ ret = put_user(wdt_timeleft(), (unsigned int *)arg);
+ break;
+ }
+ return ret;
+}
+
+static int sp805_wdt_open(struct inode *inode, struct file *file)
+{
+ int ret = 0;
+
+ if (test_and_set_bit(WDT_BUSY, &wdt->status))
+ return -EBUSY;
+
+ ret = clk_enable(wdt->clk);
+ if (ret) {
+ dev_err(&wdt->adev->dev, "clock enable fail");
+ goto err;
+ }
+
+ wdt_enable();
+
+ /* can not be closed, once enabled */
+ clear_bit(WDT_CAN_BE_CLOSED, &wdt->status);
+ return nonseekable_open(inode, file);
+
+err:
+ clear_bit(WDT_BUSY, &wdt->status);
+ return ret;
+}
+
+static int sp805_wdt_release(struct inode *inode, struct file *file)
+{
+ if (!test_bit(WDT_CAN_BE_CLOSED, &wdt->status)) {
+ clear_bit(WDT_BUSY, &wdt->status);
+ dev_warn(&wdt->adev->dev, "Device closed unexpectedly\n");
+ return 0;
+ }
+
+ wdt_disable();
+ clk_disable(wdt->clk);
+ clear_bit(WDT_BUSY, &wdt->status);
+
+ return 0;
+}
+
+static const struct file_operations sp805_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = sp805_wdt_write,
+ .unlocked_ioctl = sp805_wdt_ioctl,
+ .open = sp805_wdt_open,
+ .release = sp805_wdt_release,
+};
+
+static struct miscdevice sp805_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &sp805_wdt_fops,
+};
+
+static int __devinit
+sp805_wdt_probe(struct amba_device *adev, struct amba_id *id)
+{
+ int ret = 0;
+
+ if (!request_mem_region(adev->res.start, resource_size(&adev->res),
+ "sp805_wdt")) {
+ dev_warn(&adev->dev, "Failed to get memory region resource\n");
+ ret = -ENOENT;
+ goto err;
+ }
+
+ wdt = kzalloc(sizeof(*wdt), GFP_KERNEL);
+ if (!wdt) {
+ dev_warn(&adev->dev, "Kzalloc failed\n");
+ ret = -ENOMEM;
+ goto err_kzalloc;
+ }
+
+ wdt->clk = clk_get(&adev->dev, NULL);
+ if (IS_ERR(wdt->clk)) {
+ dev_warn(&adev->dev, "Clock not found\n");
+ ret = PTR_ERR(wdt->clk);
+ goto err_clk_get;
+ }
+
+ wdt->base = ioremap(adev->res.start, resource_size(&adev->res));
+ if (!wdt->base) {
+ ret = -ENOMEM;
+ dev_warn(&adev->dev, "ioremap fail\n");
+ goto err_ioremap;
+ }
+
+ wdt->adev = adev;
+ spin_lock_init(&wdt->lock);
+ wdt_setload(DEFAULT_TIMEOUT);
+
+ ret = misc_register(&sp805_wdt_miscdev);
+ if (ret < 0) {
+ dev_warn(&adev->dev, "cannot register misc device\n");
+ goto err_misc_register;
+ }
+
+ dev_info(&adev->dev, "registration successful\n");
+ return 0;
+
+err_misc_register:
+ iounmap(wdt->base);
+err_ioremap:
+ clk_put(wdt->clk);
+err_clk_get:
+ kfree(wdt);
+ wdt = NULL;
+err_kzalloc:
+ release_mem_region(adev->res.start, resource_size(&adev->res));
+err:
+ dev_err(&adev->dev, "Probe Failed!!!\n");
+ return ret;
+}
+
+static int __devexit sp805_wdt_remove(struct amba_device *adev)
+{
+ misc_deregister(&sp805_wdt_miscdev);
+ iounmap(wdt->base);
+ clk_put(wdt->clk);
+ kfree(wdt);
+ release_mem_region(adev->res.start, resource_size(&adev->res));
+
+ return 0;
+}
+
+static struct amba_id sp805_wdt_ids[] __initdata = {
+ {
+ .id = 0x00141805,
+ .mask = 0x00ffffff,
+ },
+ { 0, 0 },
+};
+
+static struct amba_driver sp805_wdt_driver = {
+ .drv = {
+ .name = MODULE_NAME,
+ },
+ .id_table = sp805_wdt_ids,
+ .probe = sp805_wdt_probe,
+ .remove = __devexit_p(sp805_wdt_remove),
+};
+
+static int __init sp805_wdt_init(void)
+{
+ return amba_driver_register(&sp805_wdt_driver);
+}
+module_init(sp805_wdt_init);
+
+static void __exit sp805_wdt_exit(void)
+{
+ amba_driver_unregister(&sp805_wdt_driver);
+}
+module_exit(sp805_wdt_exit);
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+ "Set to 1 to keep watchdog running after device release");
+
+MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_DESCRIPTION("ARM SP805 Watchdog Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
--
1.6.0.2
^ permalink raw reply related [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-06-02 8:03 ` Viresh KUMAR
@ 2010-06-11 4:09 ` Viresh KUMAR
-1 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-11 4:09 UTC (permalink / raw)
To: Viresh KUMAR
Cc: wim, linux-kernel, linux-arm-kernel, shiraz.hashim, armando.visconti
On 6/2/2010 1:33 PM, Viresh KUMAR wrote:
> Technical Reference Manual can be found at:
> http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
>
> Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
> ---
> drivers/watchdog/Kconfig | 7 +
> drivers/watchdog/Makefile | 1 +
> drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 394 insertions(+), 0 deletions(-)
> create mode 100644 drivers/watchdog/sp805_wdt.c
>
Wim,
Is this patch fine or do i need to send V2?
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-11 4:09 ` Viresh KUMAR
0 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-11 4:09 UTC (permalink / raw)
To: linux-arm-kernel
On 6/2/2010 1:33 PM, Viresh KUMAR wrote:
> Technical Reference Manual can be found at:
> http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
>
> Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
> ---
> drivers/watchdog/Kconfig | 7 +
> drivers/watchdog/Makefile | 1 +
> drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 394 insertions(+), 0 deletions(-)
> create mode 100644 drivers/watchdog/sp805_wdt.c
>
Wim,
Is this patch fine or do i need to send V2?
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-06-11 4:09 ` Viresh KUMAR
@ 2010-06-11 5:30 ` Wim Van Sebroeck
-1 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-06-11 5:30 UTC (permalink / raw)
To: Viresh KUMAR
Cc: linux-kernel, linux-arm-kernel, shiraz.hashim, armando.visconti
Hi Viresh,
Still need to look at it. First finishing up another project.
Probably for this weekend.
Kind regards,
Wim.
> On 6/2/2010 1:33 PM, Viresh KUMAR wrote:
> > Technical Reference Manual can be found at:
> > http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
> > ---
> > drivers/watchdog/Kconfig | 7 +
> > drivers/watchdog/Makefile | 1 +
> > drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 394 insertions(+), 0 deletions(-)
> > create mode 100644 drivers/watchdog/sp805_wdt.c
> >
>
> Wim,
>
> Is this patch fine or do i need to send V2?
>
> viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-11 5:30 ` Wim Van Sebroeck
0 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-06-11 5:30 UTC (permalink / raw)
To: linux-arm-kernel
Hi Viresh,
Still need to look at it. First finishing up another project.
Probably for this weekend.
Kind regards,
Wim.
> On 6/2/2010 1:33 PM, Viresh KUMAR wrote:
> > Technical Reference Manual can be found at:
> > http://infocenter.arm.com/help/topic/com.arm.doc.ddi0270b/DDI0270.pdf
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
> > ---
> > drivers/watchdog/Kconfig | 7 +
> > drivers/watchdog/Makefile | 1 +
> > drivers/watchdog/sp805_wdt.c | 386 ++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 394 insertions(+), 0 deletions(-)
> > create mode 100644 drivers/watchdog/sp805_wdt.c
> >
>
> Wim,
>
> Is this patch fine or do i need to send V2?
>
> viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-06-11 5:30 ` Wim Van Sebroeck
@ 2010-06-28 8:16 ` Viresh KUMAR
-1 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-28 8:16 UTC (permalink / raw)
To: Wim Van Sebroeck
Cc: armando.visconti, shiraz.hashim, linux-kernel, linux-arm-kernel
On 6/11/2010 11:00 AM, Wim Van Sebroeck wrote:
> Hi Viresh,
>
> Still need to look at it. First finishing up another project.
> Probably for this weekend.
>
> Kind regards,
> Wim.
>
Wim,
Have you reviewed this patch or still need to look at it?
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-28 8:16 ` Viresh KUMAR
0 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-06-28 8:16 UTC (permalink / raw)
To: linux-arm-kernel
On 6/11/2010 11:00 AM, Wim Van Sebroeck wrote:
> Hi Viresh,
>
> Still need to look at it. First finishing up another project.
> Probably for this weekend.
>
> Kind regards,
> Wim.
>
Wim,
Have you reviewed this patch or still need to look at it?
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-06-28 8:16 ` Viresh KUMAR
@ 2010-06-28 16:24 ` Wim Van Sebroeck
-1 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-06-28 16:24 UTC (permalink / raw)
To: Viresh KUMAR
Cc: armando.visconti, shiraz.hashim, linux-kernel, linux-arm-kernel
Hi Viresh,
> > Still need to look at it. First finishing up another project.
> > Probably for this weekend.
> >
> > Kind regards,
> > Wim.
> >
>
> Wim,
>
> Have you reviewed this patch or still need to look at it?
I'm chasing another bug and must admit I almost forgot about this one.
So, yes, I still need to look at this one.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-06-28 16:24 ` Wim Van Sebroeck
0 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-06-28 16:24 UTC (permalink / raw)
To: linux-arm-kernel
Hi Viresh,
> > Still need to look at it. First finishing up another project.
> > Probably for this weekend.
> >
> > Kind regards,
> > Wim.
> >
>
> Wim,
>
> Have you reviewed this patch or still need to look at it?
I'm chasing another bug and must admit I almost forgot about this one.
So, yes, I still need to look at this one.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-06-28 16:24 ` Wim Van Sebroeck
@ 2010-07-18 19:34 ` Russell King - ARM Linux
-1 siblings, 0 replies; 23+ messages in thread
From: Russell King - ARM Linux @ 2010-07-18 19:34 UTC (permalink / raw)
To: Wim Van Sebroeck
Cc: Viresh KUMAR, armando.visconti, shiraz.hashim, linux-kernel,
linux-arm-kernel
On Mon, Jun 28, 2010 at 06:24:30PM +0200, Wim Van Sebroeck wrote:
> Hi Viresh,
>
> > > Still need to look at it. First finishing up another project.
> > > Probably for this weekend.
> > >
> > > Kind regards,
> > > Wim.
> > >
> >
> > Wim,
> >
> > Have you reviewed this patch or still need to look at it?
>
> I'm chasing another bug and must admit I almost forgot about this one.
> So, yes, I still need to look at this one.
Any news on this - its still sitting in the patch system since May 31st...
What do I do about it?
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-07-18 19:34 ` Russell King - ARM Linux
0 siblings, 0 replies; 23+ messages in thread
From: Russell King - ARM Linux @ 2010-07-18 19:34 UTC (permalink / raw)
To: linux-arm-kernel
On Mon, Jun 28, 2010 at 06:24:30PM +0200, Wim Van Sebroeck wrote:
> Hi Viresh,
>
> > > Still need to look at it. First finishing up another project.
> > > Probably for this weekend.
> > >
> > > Kind regards,
> > > Wim.
> > >
> >
> > Wim,
> >
> > Have you reviewed this patch or still need to look at it?
>
> I'm chasing another bug and must admit I almost forgot about this one.
> So, yes, I still need to look at this one.
Any news on this - its still sitting in the patch system since May 31st...
What do I do about it?
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-07-18 19:34 ` Russell King - ARM Linux
@ 2010-07-18 20:27 ` Wim Van Sebroeck
-1 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-07-18 20:27 UTC (permalink / raw)
To: Russell King - ARM Linux
Cc: Viresh KUMAR, armando.visconti, shiraz.hashim, linux-kernel,
linux-arm-kernel
Hi All,
> > I'm chasing another bug and must admit I almost forgot about this one.
> > So, yes, I still need to look at this one.
>
> Any news on this - its still sitting in the patch system since May 31st...
> What do I do about it?
The bug was finally fixed and all other code testing that had to be done is also completed since today. I'll have a look at it later this week.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-07-18 20:27 ` Wim Van Sebroeck
0 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-07-18 20:27 UTC (permalink / raw)
To: linux-arm-kernel
Hi All,
> > I'm chasing another bug and must admit I almost forgot about this one.
> > So, yes, I still need to look at this one.
>
> Any news on this - its still sitting in the patch system since May 31st...
> What do I do about it?
The bug was finally fixed and all other code testing that had to be done is also completed since today. I'll have a look at it later this week.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-07-18 19:34 ` Russell King - ARM Linux
@ 2010-07-26 18:46 ` Wim Van Sebroeck
-1 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-07-26 18:46 UTC (permalink / raw)
To: Russell King - ARM Linux
Cc: Viresh KUMAR, armando.visconti, shiraz.hashim, linux-kernel,
linux-arm-kernel, linux-watchdog
Hi All,
> > > Have you reviewed this patch or still need to look at it?
> >
> > I'm chasing another bug and must admit I almost forgot about this one.
> > So, yes, I still need to look at this one.
>
> Any news on this - its still sitting in the patch system since May 31st...
> What do I do about it?
Patch looks OK. Will add it to my linux-2.6-watchdog-next tree this week.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-07-26 18:46 ` Wim Van Sebroeck
0 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-07-26 18:46 UTC (permalink / raw)
To: linux-arm-kernel
Hi All,
> > > Have you reviewed this patch or still need to look at it?
> >
> > I'm chasing another bug and must admit I almost forgot about this one.
> > So, yes, I still need to look at this one.
>
> Any news on this - its still sitting in the patch system since May 31st...
> What do I do about it?
Patch looks OK. Will add it to my linux-2.6-watchdog-next tree this week.
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-07-26 18:46 ` Wim Van Sebroeck
@ 2010-07-27 4:05 ` Viresh KUMAR
-1 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-07-27 4:05 UTC (permalink / raw)
To: Wim Van Sebroeck
Cc: Russell King - ARM Linux, armando.visconti, shiraz.hashim,
linux-kernel, linux-arm-kernel, linux-watchdog, Linus Walleij
On 7/27/2010 12:16 AM, Wim Van Sebroeck wrote:
> Hi All,
>
>>>> > > > Have you reviewed this patch or still need to look at it?
>>> > >
>>> > > I'm chasing another bug and must admit I almost forgot about this one.
>>> > > So, yes, I still need to look at this one.
>> >
>> > Any news on this - its still sitting in the patch system since May 31st...
>> > What do I do about it?
> Patch looks OK. Will add it to my linux-2.6-watchdog-next tree this week.
Wim,
I will send V2 of this patch, which will include modification as suggested by
Linus walleij.
Viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-07-27 4:05 ` Viresh KUMAR
0 siblings, 0 replies; 23+ messages in thread
From: Viresh KUMAR @ 2010-07-27 4:05 UTC (permalink / raw)
To: linux-arm-kernel
On 7/27/2010 12:16 AM, Wim Van Sebroeck wrote:
> Hi All,
>
>>>> > > > Have you reviewed this patch or still need to look at it?
>>> > >
>>> > > I'm chasing another bug and must admit I almost forgot about this one.
>>> > > So, yes, I still need to look at this one.
>> >
>> > Any news on this - its still sitting in the patch system since May 31st...
>> > What do I do about it?
> Patch looks OK. Will add it to my linux-2.6-watchdog-next tree this week.
Wim,
I will send V2 of this patch, which will include modification as suggested by
Linus walleij.
Viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* Re: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-07-27 4:05 ` Viresh KUMAR
@ 2010-08-02 10:57 ` Wim Van Sebroeck
-1 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-08-02 10:57 UTC (permalink / raw)
To: Viresh KUMAR
Cc: Wim Van Sebroeck, Russell King - ARM Linux, armando.visconti,
shiraz.hashim, linux-kernel, linux-arm-kernel, linux-watchdog,
Linus Walleij
Hi Viresh,
> I will send V2 of this patch, which will include modification as suggested by
> Linus walleij.
After the discussion about the division: will there be a V2 of this patch or will V1 remain?
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-08-02 10:57 ` Wim Van Sebroeck
0 siblings, 0 replies; 23+ messages in thread
From: Wim Van Sebroeck @ 2010-08-02 10:57 UTC (permalink / raw)
To: linux-arm-kernel
Hi Viresh,
> I will send V2 of this patch, which will include modification as suggested by
> Linus walleij.
After the discussion about the division: will there be a V2 of this patch or will V1 remain?
Kind regards,
Wim.
^ permalink raw reply [flat|nested] 23+ messages in thread
* RE: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
2010-08-02 10:57 ` Wim Van Sebroeck
(?)
@ 2010-08-04 6:04 ` viresh kumar
-1 siblings, 0 replies; 23+ messages in thread
From: viresh kumar @ 2010-08-04 6:04 UTC (permalink / raw)
To: Wim Van Sebroeck
Cc: Russell King - ARM Linux, Armando Visconti, shiraz hashim,
linux-kernel, linux-arm-kernel, linux-watchdog, Linus Walleij
Hi Wim,
> After the discussion about the division: will there be a V2 of this patch or will V1 remain?
Yes, i will send V2 of this patch.
There is one change, inclusion of slab.h.
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* RE: [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-08-04 6:04 ` viresh kumar
0 siblings, 0 replies; 23+ messages in thread
From: viresh kumar @ 2010-08-04 6:04 UTC (permalink / raw)
To: Wim Van Sebroeck
Cc: Russell King - ARM Linux, Armando Visconti, shiraz hashim,
linux-kernel, linux-arm-kernel, linux-watchdog, Linus Walleij
Hi Wim,
> After the discussion about the division: will there be a V2 of this patch or will V1 remain?
Yes, i will send V2 of this patch.
There is one change, inclusion of slab.h.
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
* [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog
@ 2010-08-04 6:04 ` viresh kumar
0 siblings, 0 replies; 23+ messages in thread
From: viresh kumar @ 2010-08-04 6:04 UTC (permalink / raw)
To: linux-arm-kernel
Hi Wim,
> After the discussion about the division: will there be a V2 of this patch or will V1 remain?
Yes, i will send V2 of this patch.
There is one change, inclusion of slab.h.
viresh.
^ permalink raw reply [flat|nested] 23+ messages in thread
end of thread, other threads:[~2010-08-04 6:04 UTC | newest]
Thread overview: 23+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-06-02 8:03 [PATCH resend] Watchdog: Adding support for ARM Primecell SP805 Watchdog Viresh KUMAR
2010-06-02 8:03 ` Viresh KUMAR
2010-06-11 4:09 ` Viresh KUMAR
2010-06-11 4:09 ` Viresh KUMAR
2010-06-11 5:30 ` Wim Van Sebroeck
2010-06-11 5:30 ` Wim Van Sebroeck
2010-06-28 8:16 ` Viresh KUMAR
2010-06-28 8:16 ` Viresh KUMAR
2010-06-28 16:24 ` Wim Van Sebroeck
2010-06-28 16:24 ` Wim Van Sebroeck
2010-07-18 19:34 ` Russell King - ARM Linux
2010-07-18 19:34 ` Russell King - ARM Linux
2010-07-18 20:27 ` Wim Van Sebroeck
2010-07-18 20:27 ` Wim Van Sebroeck
2010-07-26 18:46 ` Wim Van Sebroeck
2010-07-26 18:46 ` Wim Van Sebroeck
2010-07-27 4:05 ` Viresh KUMAR
2010-07-27 4:05 ` Viresh KUMAR
2010-08-02 10:57 ` Wim Van Sebroeck
2010-08-02 10:57 ` Wim Van Sebroeck
2010-08-04 6:04 ` viresh kumar
2010-08-04 6:04 ` viresh kumar
2010-08-04 6:04 ` viresh kumar
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