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-rw-r--r--drivers/watchdog/at91sam9_wdt.c22
-rw-r--r--drivers/watchdog/at91sam9_wdt.h6
-rw-r--r--drivers/watchdog/pcwd_usb.c35
-rw-r--r--drivers/watchdog/sp805_wdt.c2
-rw-r--r--drivers/watchdog/w83627hf_wdt.c4
5 files changed, 27 insertions, 42 deletions
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 87445b2d72a..00562566ef5 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -35,6 +35,11 @@
#define DRV_NAME "AT91SAM9 Watchdog"
+#define wdt_read(field) \
+ __raw_readl(at91wdt_private.base + field)
+#define wdt_write(field, val) \
+ __raw_writel((val), at91wdt_private.base + field)
+
/* AT91SAM9 watchdog runs a 12bit counter @ 256Hz,
* use this to convert a watchdog
* value from/to milliseconds.
@@ -63,6 +68,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
static void at91_ping(unsigned long data);
static struct {
+ void __iomem *base;
unsigned long next_heartbeat; /* the next_heartbeat for the timer */
unsigned long open;
char expect_close;
@@ -77,7 +83,7 @@ static struct {
*/
static inline void at91_wdt_reset(void)
{
- at91_sys_write(AT91_WDT_CR, AT91_WDT_KEY | AT91_WDT_WDRSTT);
+ wdt_write(AT91_WDT_CR, AT91_WDT_KEY | AT91_WDT_WDRSTT);
}
/*
@@ -132,7 +138,7 @@ static int at91_wdt_settimeout(unsigned int timeout)
unsigned int mr;
/* Check if disabled */
- mr = at91_sys_read(AT91_WDT_MR);
+ mr = wdt_read(AT91_WDT_MR);
if (mr & AT91_WDT_WDDIS) {
printk(KERN_ERR DRV_NAME": sorry, watchdog is disabled\n");
return -EIO;
@@ -149,7 +155,7 @@ static int at91_wdt_settimeout(unsigned int timeout)
| AT91_WDT_WDDBGHLT /* disabled in debug mode */
| AT91_WDT_WDD /* restart at any time */
| (timeout & AT91_WDT_WDV); /* timer value */
- at91_sys_write(AT91_WDT_MR, reg);
+ wdt_write(AT91_WDT_MR, reg);
return 0;
}
@@ -248,12 +254,22 @@ static struct miscdevice at91wdt_miscdev = {
static int __init at91wdt_probe(struct platform_device *pdev)
{
+ struct resource *r;
int res;
if (at91wdt_miscdev.parent)
return -EBUSY;
at91wdt_miscdev.parent = &pdev->dev;
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r)
+ return -ENODEV;
+ at91wdt_private.base = ioremap(r->start, resource_size(r));
+ if (!at91wdt_private.base) {
+ dev_err(&pdev->dev, "failed to map registers, aborting.\n");
+ return -ENOMEM;
+ }
+
/* Set watchdog */
res = at91_wdt_settimeout(ms_to_ticks(WDT_HW_TIMEOUT * 1000));
if (res)
diff --git a/drivers/watchdog/at91sam9_wdt.h b/drivers/watchdog/at91sam9_wdt.h
index 757f9cab5c8..c6fbb2e6c41 100644
--- a/drivers/watchdog/at91sam9_wdt.h
+++ b/drivers/watchdog/at91sam9_wdt.h
@@ -16,11 +16,11 @@
#ifndef AT91_WDT_H
#define AT91_WDT_H
-#define AT91_WDT_CR (AT91_WDT + 0x00) /* Watchdog Control Register */
+#define AT91_WDT_CR 0x00 /* Watchdog Control Register */
#define AT91_WDT_WDRSTT (1 << 0) /* Restart */
#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */
-#define AT91_WDT_MR (AT91_WDT + 0x04) /* Watchdog Mode Register */
+#define AT91_WDT_MR 0x04 /* Watchdog Mode Register */
#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
@@ -30,7 +30,7 @@
#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
-#define AT91_WDT_SR (AT91_WDT + 0x08) /* Watchdog Status Register */
+#define AT91_WDT_SR 0x08 /* Watchdog Status Register */
#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 748a74bd85e..d8de1ddd176 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -827,37 +827,4 @@ static void usb_pcwd_disconnect(struct usb_interface *interface)
printk(KERN_INFO PFX "USB PC Watchdog disconnected\n");
}
-
-
-/**
- * usb_pcwd_init
- */
-static int __init usb_pcwd_init(void)
-{
- int result;
-
- /* register this driver with the USB subsystem */
- result = usb_register(&usb_pcwd_driver);
- if (result) {
- printk(KERN_ERR PFX "usb_register failed. Error number %d\n",
- result);
- return result;
- }
-
- printk(KERN_INFO PFX DRIVER_DESC " v" DRIVER_VERSION "\n");
- return 0;
-}
-
-
-/**
- * usb_pcwd_exit
- */
-static void __exit usb_pcwd_exit(void)
-{
- /* deregister this driver with the USB subsystem */
- usb_deregister(&usb_pcwd_driver);
-}
-
-
-module_init(usb_pcwd_init);
-module_exit(usb_pcwd_exit);
+module_usb_driver(usb_pcwd_driver);
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index bfaf9bb1ee0..eef1524ae52 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -359,6 +359,8 @@ static struct amba_id sp805_wdt_ids[] = {
{ 0, 0 },
};
+MODULE_DEVICE_TABLE(amba, sp805_wdt_ids);
+
static struct amba_driver sp805_wdt_driver = {
.drv = {
.name = MODULE_NAME,
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index dd5d6754875..576a388a116 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -4,7 +4,7 @@
* (c) Copyright 2007 Vlad Drukker <vlad@storewiz.com>
* added support for W83627THF.
*
- * (c) Copyright 2003,2007 Pádraig Brady <P@draigBrady.com>
+ * (c) Copyright 2003,2007 Pádraig Brady <P@draigBrady.com>
*
* Based on advantechwdt.c which is based on wdt.c.
* Original copyright messages:
@@ -401,6 +401,6 @@ module_init(wdt_init);
module_exit(wdt_exit);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Pádraig Brady <P@draigBrady.com>");
+MODULE_AUTHOR("Pádraig Brady <P@draigBrady.com>");
MODULE_DESCRIPTION("w83627hf/thf WDT driver");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);