Hi Linus,
Please pull from 'master' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
or if master.kernel.org hasn't synced up yet:
master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
This will update the following files:
drivers/char/watchdog/pcwd.c | 26 ++++++++++++---
drivers/char/watchdog/pcwd_pci.c | 32 +++++++++++++++---
drivers/char/watchdog/pcwd_usb.c | 61 ++++++++++++++++++++++--------------
drivers/char/watchdog/pnx4008_wdt.c | 3 +
drivers/char/watchdog/s3c2410_wdt.c | 60 ++++++++++++++++++++---------------
5 files changed, 123 insertions(+), 59 deletions(-)
with these Changes:
Merge: 62d0cfc... f3dc073...
Author: Wim Van Sebroeck <[email protected]>
Date: Fri Feb 9 21:35:36 2007 +0100
Merge ../linux-2.6-watchdog-mm
Author: Wim Van Sebroeck <[email protected]>
Date: Tue Jan 9 22:43:49 2007 +0100
[WATCHDOG] pcwd_usb.c - get heartbeat from dip switches
The PCWD cards normally use the heartbeat that is set via
the dip-switches of the card. There are only 3 switches,
thus 8 combinations that each have a certain heartbeat.
The card can however be programmed with a heartbeat from
1 till 65535 seconds. This is what our driver does: it
programs the heartbeat on the card.
There are however a lot of people that don't know that
we set the heartbeat of the watchdog card to the value
provided by the heartbeat module parameter. Instead they
think that the heartbeat value is the same as set by the
dip-switches.
This patch changes the driver so that at startup you can
take the heartbeat from the dip-switches. You do this
by setting the heartbeat module parameter to 0. This
patch also makes this the default behaviour.
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Wim Van Sebroeck <[email protected]>
Date: Tue Jan 9 22:38:54 2007 +0100
[WATCHDOG] pcwd.c - e-mail adres update
update Simon Machell's e-mail adres
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Wim Van Sebroeck <[email protected]>
Date: Mon Jan 8 22:45:30 2007 +0100
[WATCHDOG] pcwd_usb.c - get heartbeat from dip switches
The PCWD cards normally use the heartbeat that is set via
the dip-switches of the card. There are only 3 switches,
thus 8 combinations that each have a certain heartbeat.
The card can however be programmed with a heartbeat from
1 till 65535 seconds. This is what our driver does: it
programs the heartbeat on the card.
There are however a lot of people that don't know that
we set the heartbeat of the watchdog card to the value
provided by the heartbeat module parameter. Instead they
think that the heartbeat value is the same as set by the
dip-switches.
This patch changes the driver so that at startup you can
take the heartbeat from the dip-switches. You do this
by setting the heartbeat module parameter to 0. This
patch also makes this the default behaviour.
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Wim Van Sebroeck <[email protected]>
Date: Mon Jan 8 22:40:33 2007 +0100
[WATCHDOG] pcwd_usb.c - document includes
document and review the include files.
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Wim Van Sebroeck <[email protected]>
Date: Sun Jan 7 21:57:03 2007 +0100
[WATCHDOG] pcwd_pci.c - spinlock fixes
the keepalive and get_temperature functions should
use spinlocks also.
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Wim Van Sebroeck <[email protected]>
Date: Sun Jan 7 21:49:11 2007 +0100
[WATCHDOG] pcwd_pci.c - get heartbeat from dip switches
The PCWD cards normally use the heartbeat that is set via
the dip-switches of the card. There are only 3 switches,
thus 8 combinations that each have a certain heartbeat.
The card can however be programmed with a heartbeat from
1 till 65535 seconds. This is what our driver does: it
programs the heartbeat on the card.
There are however a lot of people that don't know that
we set the heartbeat of the watchdog card to the value
provided by the heartbeat module parameter. Instead they
think that the heartbeat value is the same as set by the
dip-switches.
This patch changes the driver so that at startup you can
take the heartbeat from the dip-switches. You do this
by setting the heartbeat module parameter to 0. This
patch also makes this the default behaviour.
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Akinobu Mita <[email protected]>
Date: Tue Dec 19 17:51:44 2006 +0900
[WATCHDOG] fix clk_get() error check
The return value of clk_get() should be checked by IS_ERR().
Signed-off-by: Akinobu Mita <[email protected]>
Signed-off-by: Ben Dooks <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
Author: Ben Dooks <[email protected]>
Date: Mon Dec 18 10:31:32 2006 +0000
[WATCHDOG] s3c2410_wdt exit driver via labels
Cleanup the s3c2410_wdt driver's exit point by
using labels instead of multiple returns. Also
remove the checks for the resources having been
allocate in the exit, as we will now either have
fully allocated or not allocated the resources
at-all.
Signed-off-by: Ben Dooks <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
The Changes can also be looked at on:
http://www.kernel.org/git/?p=linux/kernel/git/wim/linux-2.6-watchdog.git;a=summary
For completeness, I added the overal diff below.
Greetings,
Wim.
================================================================================
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index 8e1e6e4..aab6621 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -2,7 +2,7 @@
* PC Watchdog Driver
* by Ken Hollis ([email protected])
*
- * Permission granted from Simon Machell ([email protected])
+ * Permission granted from Simon Machell ([email protected])
* Written for the Linux Kernel, and GPLed by Ken Hollis
*
* 960107 Added request_region routines, modulized the whole thing.
@@ -70,8 +70,8 @@ #include <asm/uaccess.h> /* For copy_to_
#include <asm/io.h> /* For inb/outb/... */
/* Module and version information */
-#define WATCHDOG_VERSION "1.17"
-#define WATCHDOG_DATE "12 Feb 2006"
+#define WATCHDOG_VERSION "1.18"
+#define WATCHDOG_DATE "06 Jan 2007"
#define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog"
#define WATCHDOG_NAME "pcwd"
#define PFX WATCHDOG_NAME ": "
@@ -132,6 +132,18 @@ #define CMD_ISA_DELAY_TIME_4SECS 0x0B
#define CMD_ISA_DELAY_TIME_8SECS 0x0C
#define CMD_ISA_RESET_RELAYS 0x0D
+/* Watchdog's Dip Switch heartbeat values */
+static const int heartbeat_tbl [] = {
+ 20, /* OFF-OFF-OFF = 20 Sec */
+ 40, /* OFF-OFF-ON = 40 Sec */
+ 60, /* OFF-ON-OFF = 1 Min */
+ 300, /* OFF-ON-ON = 5 Min */
+ 600, /* ON-OFF-OFF = 10 Min */
+ 1800, /* ON-OFF-ON = 30 Min */
+ 3600, /* ON-ON-OFF = 1 Hour */
+ 7200, /* ON-ON-ON = 2 hour */
+};
+
/*
* We are using an kernel timer to do the pinging of the watchdog
* every ~500ms. We try to set the internal heartbeat of the
@@ -167,10 +179,10 @@ static int debug = QUIET;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
-#define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */
+#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
static int heartbeat = WATCHDOG_HEARTBEAT;
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
@@ -844,6 +856,10 @@ static int __devinit pcwatchdog_init(int
/* Show info about the card itself */
pcwd_show_card_info();
+ /* If heartbeat = 0 then we use the heartbeat from the dip-switches */
+ if (heartbeat == 0)
+ heartbeat = heartbeat_tbl[(pcwd_get_option_switches() & 0x07)];
+
/* Check that the heartbeat value is within it's range ; if not reset to the default */
if (pcwd_set_heartbeat(heartbeat)) {
pcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index f4872c8..95ddcd8 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -1,7 +1,7 @@
/*
* Berkshire PCI-PC Watchdog Card Driver
*
- * (c) Copyright 2003-2005 Wim Van Sebroeck <[email protected]>.
+ * (c) Copyright 2003-2007 Wim Van Sebroeck <[email protected]>.
*
* Based on source code of the following authors:
* Ken Hollis <[email protected]>,
@@ -51,8 +51,8 @@ #include <asm/uaccess.h> /* For copy_to_
#include <asm/io.h> /* For inb/outb/... */
/* Module and version information */
-#define WATCHDOG_VERSION "1.02"
-#define WATCHDOG_DATE "03 Sep 2005"
+#define WATCHDOG_VERSION "1.03"
+#define WATCHDOG_DATE "06 Jan 2007"
#define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"
#define WATCHDOG_NAME "pcwd_pci"
#define PFX WATCHDOG_NAME ": "
@@ -96,6 +96,18 @@ #define CMD_READ_WATCHDOG_TIMEOUT 0x18
#define CMD_WRITE_WATCHDOG_TIMEOUT 0x19
#define CMD_GET_CLEAR_RESET_COUNT 0x84
+/* Watchdog's Dip Switch heartbeat values */
+static const int heartbeat_tbl [] = {
+ 5, /* OFF-OFF-OFF = 5 Sec */
+ 10, /* OFF-OFF-ON = 10 Sec */
+ 30, /* OFF-ON-OFF = 30 Sec */
+ 60, /* OFF-ON-ON = 1 Min */
+ 300, /* ON-OFF-OFF = 5 Min */
+ 600, /* ON-OFF-ON = 10 Min */
+ 1800, /* ON-ON-OFF = 30 Min */
+ 3600, /* ON-ON-ON = 1 hour */
+};
+
/* We can only use 1 card due to the /dev/watchdog restriction */
static int cards_found;
@@ -119,10 +131,10 @@ static int debug = QUIET;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
-#define WATCHDOG_HEARTBEAT 2 /* 2 sec default heartbeat */
+#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
static int heartbeat = WATCHDOG_HEARTBEAT;
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
@@ -286,7 +298,9 @@ static int pcipcwd_stop(void)
static int pcipcwd_keepalive(void)
{
/* Re-trigger watchdog by writing to port 0 */
+ spin_lock(&pcipcwd_private.io_lock);
outb_p(0x42, pcipcwd_private.io_addr); /* send out any data */
+ spin_unlock(&pcipcwd_private.io_lock);
if (debug >= DEBUG)
printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n");
@@ -373,7 +387,9 @@ static int pcipcwd_get_temperature(int *
if (!pcipcwd_private.supports_temp)
return -ENODEV;
+ spin_lock(&pcipcwd_private.io_lock);
*temperature = inb_p(pcipcwd_private.io_addr);
+ spin_unlock(&pcipcwd_private.io_lock);
/*
* Convert celsius to fahrenheit, since this was
@@ -711,6 +727,10 @@ static int __devinit pcipcwd_card_init(s
/* Show info about the card itself */
pcipcwd_show_card_info();
+ /* If heartbeat = 0 then we use the heartbeat from the dip-switches */
+ if (heartbeat == 0)
+ heartbeat = heartbeat_tbl[(pcipcwd_get_option_switches() & 0x07)];
+
/* Check that the heartbeat value is within it's range ; if not reset to the default */
if (pcipcwd_set_heartbeat(heartbeat)) {
pcipcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
@@ -798,6 +818,8 @@ static int __init pcipcwd_init_module(vo
static void __exit pcipcwd_cleanup_module(void)
{
pci_unregister_driver(&pcipcwd_driver);
+
+ printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
}
module_init(pcipcwd_init_module);
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 2da5ac9..1ad1f22 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -1,7 +1,7 @@
/*
* Berkshire USB-PC Watchdog Card Driver
*
- * (c) Copyright 2004 Wim Van Sebroeck <[email protected]>.
+ * (c) Copyright 2004-2007 Wim Van Sebroeck <[email protected]>.
*
* Based on source code of the following authors:
* Ken Hollis <[email protected]>,
@@ -24,26 +24,25 @@
* http://www.berkprod.com/ or http://www.pcwatchdog.com/
*/
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/fs.h>
-#include <linux/smp_lock.h>
-#include <linux/completion.h>
-#include <asm/uaccess.h>
-#include <linux/usb.h>
-#include <linux/mutex.h>
+#include <linux/module.h> /* For module specific items */
+#include <linux/moduleparam.h> /* For new moduleparam's */
+#include <linux/types.h> /* For standard types (like size_t) */
+#include <linux/errno.h> /* For the -ENODEV/... values */
+#include <linux/kernel.h> /* For printk/panic/... */
+#include <linux/delay.h> /* For mdelay function */
+#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/watchdog.h> /* For the watchdog specific items */
+#include <linux/notifier.h> /* For notifier support */
+#include <linux/reboot.h> /* For reboot_notifier stuff */
+#include <linux/init.h> /* For __init/__exit/... */
+#include <linux/fs.h> /* For file operations */
+#include <linux/usb.h> /* For USB functions */
+#include <linux/slab.h> /* For kmalloc, ... */
+#include <linux/mutex.h> /* For mutex locking */
#include <linux/hid.h> /* For HID_REQ_SET_REPORT & HID_DT_REPORT */
+#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
+
#ifdef CONFIG_USB_DEBUG
static int debug = 1;
@@ -57,8 +56,8 @@ #define dbg(format, arg...) do { if (deb
/* Module and Version Information */
-#define DRIVER_VERSION "1.01"
-#define DRIVER_DATE "15 Mar 2005"
+#define DRIVER_VERSION "1.02"
+#define DRIVER_DATE "06 Jan 2007"
#define DRIVER_AUTHOR "Wim Van Sebroeck <[email protected]>"
#define DRIVER_DESC "Berkshire USB-PC Watchdog driver"
#define DRIVER_LICENSE "GPL"
@@ -75,10 +74,10 @@ MODULE_ALIAS_MISCDEV(TEMP_MINOR);
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug enabled or not");
-#define WATCHDOG_HEARTBEAT 2 /* 2 sec default heartbeat */
+#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
static int heartbeat = WATCHDOG_HEARTBEAT;
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
@@ -110,6 +109,18 @@ #define CMD_WRITE_WATCHDOG_TIMEOUT 0x19
#define CMD_ENABLE_WATCHDOG 0x30 /* Enable / Disable Watchdog */
#define CMD_DISABLE_WATCHDOG CMD_ENABLE_WATCHDOG
+/* Watchdog's Dip Switch heartbeat values */
+static const int heartbeat_tbl [] = {
+ 5, /* OFF-OFF-OFF = 5 Sec */
+ 10, /* OFF-OFF-ON = 10 Sec */
+ 30, /* OFF-ON-OFF = 30 Sec */
+ 60, /* OFF-ON-ON = 1 Min */
+ 300, /* ON-OFF-OFF = 5 Min */
+ 600, /* ON-OFF-ON = 10 Min */
+ 1800, /* ON-ON-OFF = 30 Min */
+ 3600, /* ON-ON-ON = 1 hour */
+};
+
/* We can only use 1 card due to the /dev/watchdog restriction */
static int cards_found;
@@ -682,6 +693,10 @@ static int usb_pcwd_probe(struct usb_int
((option_switches & 0x10) ? "ON" : "OFF"),
((option_switches & 0x08) ? "ON" : "OFF"));
+ /* If heartbeat = 0 then we use the heartbeat from the dip-switches */
+ if (heartbeat == 0)
+ heartbeat = heartbeat_tbl[(option_switches & 0x07)];
+
/* Check that the heartbeat value is within it's range ; if not reset to the default */
if (usb_pcwd_set_heartbeat(usb_pcwd, heartbeat)) {
usb_pcwd_set_heartbeat(usb_pcwd, WATCHDOG_HEARTBEAT);
diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
index 3a55fc6..0e3d589 100644
--- a/drivers/char/watchdog/pnx4008_wdt.c
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -283,7 +283,8 @@ static int pnx4008_wdt_probe(struct plat
wdt_base = (void __iomem *)IO_ADDRESS(res->start);
wdt_clk = clk_get(&pdev->dev, "wdt_ck");
- if (!wdt_clk) {
+ if (IS_ERR(wdt_clk)) {
+ ret = PTR_ERR(wdt_clk);
release_resource(wdt_mem);
kfree(wdt_mem);
goto out;
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 18cb050..5a5cc2a 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -366,13 +366,15 @@ static int s3c2410wdt_probe(struct platf
wdt_mem = request_mem_region(res->start, size, pdev->name);
if (wdt_mem == NULL) {
printk(KERN_INFO PFX "failed to get memory region\n");
- return -ENOENT;
+ ret = -ENOENT;
+ goto err_req;
}
wdt_base = ioremap(res->start, size);
if (wdt_base == 0) {
printk(KERN_INFO PFX "failed to ioremap() region\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_req;
}
DBG("probe: mapped wdt_base=%p\n", wdt_base);
@@ -380,22 +382,21 @@ static int s3c2410wdt_probe(struct platf
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
printk(KERN_INFO PFX "failed to get irq resource\n");
- iounmap(wdt_base);
- return -ENOENT;
+ ret = -ENOENT;
+ goto err_map;
}
ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev);
if (ret != 0) {
printk(KERN_INFO PFX "failed to install irq (%d)\n", ret);
- iounmap(wdt_base);
- return ret;
+ goto err_map;
}
wdt_clock = clk_get(&pdev->dev, "watchdog");
- if (wdt_clock == NULL) {
+ if (IS_ERR(wdt_clock)) {
printk(KERN_INFO PFX "failed to find watchdog clock source\n");
- iounmap(wdt_base);
- return -ENOENT;
+ ret = PTR_ERR(wdt_clock);
+ goto err_irq;
}
clk_enable(wdt_clock);
@@ -418,8 +419,7 @@ static int s3c2410wdt_probe(struct platf
if (ret) {
printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
WATCHDOG_MINOR, ret);
- iounmap(wdt_base);
- return ret;
+ goto err_clk;
}
if (tmr_atboot && started == 0) {
@@ -434,26 +434,36 @@ static int s3c2410wdt_probe(struct platf
}
return 0;
+
+ err_clk:
+ clk_disable(wdt_clock);
+ clk_put(wdt_clock);
+
+ err_irq:
+ free_irq(wdt_irq->start, pdev);
+
+ err_map:
+ iounmap(wdt_base);
+
+ err_req:
+ release_resource(wdt_mem);
+ kfree(wdt_mem);
+
+ return ret;
}
static int s3c2410wdt_remove(struct platform_device *dev)
{
- if (wdt_mem != NULL) {
- release_resource(wdt_mem);
- kfree(wdt_mem);
- wdt_mem = NULL;
- }
+ release_resource(wdt_mem);
+ kfree(wdt_mem);
+ wdt_mem = NULL;
- if (wdt_irq != NULL) {
- free_irq(wdt_irq->start, dev);
- wdt_irq = NULL;
- }
+ free_irq(wdt_irq->start, dev);
+ wdt_irq = NULL;
- if (wdt_clock != NULL) {
- clk_disable(wdt_clock);
- clk_put(wdt_clock);
- wdt_clock = NULL;
- }
+ clk_disable(wdt_clock);
+ clk_put(wdt_clock);
+ wdt_clock = NULL;
iounmap(wdt_base);
misc_deregister(&s3c2410wdt_miscdev);
-
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