Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-wat…

…chdog * git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (33 commits) [WATCHDOG] remove experimental on iTCO_wdt.c [WATCHDOG] Atmel AT91RM9200 rename. [WATCHDOG] includes for sample watchdog program. [WATCHDOG] watchdog/iTCO_wdt: fix bug related to gcc uninit warning [WATCHDOG] add ich8 support to iTCO_wdt.c (patch 2) [WATCHDOG] add ich8 support to iTCO_wdt.c [WATCHDOG] ioremap balanced with iounmap for drivers/char/watchdog/s3c2410_wdt.c [WATCHDOG] w83697hf/hg WDT driver - Kconfig patch [WATCHDOG] w83697hf/hg WDT driver - autodetect patch [WATCHDOG] w83697hf/hg WDT driver - patch 16 [WATCHDOG] w83697hf/hg WDT driver - patch 15 [WATCHDOG] w83697hf/hg WDT driver - patch 14 [WATCHDOG] w83697hf/hg WDT driver - patch 13 [WATCHDOG] w83697hf/hg WDT driver - patch 12 [WATCHDOG] w83697hf/hg WDT driver - patch 11 [WATCHDOG] w83697hf/hg WDT driver - patch 10 [WATCHDOG] w83697hf/hg WDT driver - patch 9 [WATCHDOG] w83697hf/hg WDT driver - patch 8 [WATCHDOG] w83697hf/hg WDT driver - patch 7 [WATCHDOG] w83697hf/hg WDT driver - patch 6 ...
torvalds · Oct 23, 2006 · 6d03a68 · 6d03a68
2 parents 0c0e466 + cbf40d3
commit 6d03a68
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diff --git a/Documentation/watchdog/src/watchdog-simple.c b/Documentation/watchdog/src/watchdog-simple.c
@@ -1,4 +1,6 @@
+#include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <fcntl.h>
 
 int main(int argc, const char *argv[]) {

diff --git a/arch/arm/configs/at91rm9200dk_defconfig b/arch/arm/configs/at91rm9200dk_defconfig
@@ -577,7 +577,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 
 #
 # USB-based Watchdog Cards

diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig
@@ -558,7 +558,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 
 #
 # USB-based Watchdog Cards

diff --git a/arch/arm/configs/csb337_defconfig b/arch/arm/configs/csb337_defconfig
@@ -615,7 +615,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 
 #
 # USB-based Watchdog Cards

diff --git a/arch/arm/configs/csb637_defconfig b/arch/arm/configs/csb637_defconfig
@@ -615,7 +615,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 
 #
 # USB-based Watchdog Cards

diff --git a/arch/arm/configs/kafa_defconfig b/arch/arm/configs/kafa_defconfig
@@ -560,7 +560,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 # CONFIG_NVRAM is not set
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set

diff --git a/arch/arm/configs/onearm_defconfig b/arch/arm/configs/onearm_defconfig
@@ -607,7 +607,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_AT91_WATCHDOG=y
+CONFIG_AT91RM9200_WATCHDOG=y
 
 #
 # USB-based Watchdog Cards

diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
@@ -13,7 +13,7 @@ config WATCHDOG
 	  subsequently opening the file and then failing to write to it for
 	  longer than 1 minute will result in rebooting the machine. This
 	  could be useful for a networked machine that needs to come back
-	  online as fast as possible after a lock-up. There's both a watchdog
+	  on-line as fast as possible after a lock-up. There's both a watchdog
 	  implementation entirely in software (which can sometimes fail to
 	  reboot the machine) and a driver for hardware watchdog boards, which
 	  are more robust and can also keep track of the temperature inside
@@ -60,7 +60,7 @@ config SOFT_WATCHDOG
 
 # ARM Architecture
 
-config AT91_WATCHDOG
+config AT91RM9200_WATCHDOG
 	tristate "AT91RM9200 watchdog"
 	depends on WATCHDOG && ARCH_AT91RM9200
 	help
@@ -71,7 +71,7 @@ config 21285_WATCHDOG
 	tristate "DC21285 watchdog"
 	depends on WATCHDOG && FOOTBRIDGE
 	help
-	  The Intel Footbridge chip contains a builtin watchdog circuit. Say Y
+	  The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
 	  here if you wish to use this. Alternatively say M to compile the
 	  driver as a module, which will be called wdt285.
 
@@ -269,11 +269,11 @@ config IB700_WDT
 	  Most people will say N.
 
 config IBMASR
-        tristate "IBM Automatic Server Restart"
-        depends on WATCHDOG && X86
-        help
+	tristate "IBM Automatic Server Restart"
+	depends on WATCHDOG && X86
+	help
 	  This is the driver for the IBM Automatic Server Restart watchdog
-	  timer builtin into some eServer xSeries machines.
+	  timer built-in into some eServer xSeries machines.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called ibmasr.
@@ -316,13 +316,16 @@ config I8XX_TCO
 	  To compile this driver as a module, choose M here: the
 	  module will be called i8xx_tco.
 
+	  Note: This driver will be removed in the near future. Please
+	  use the Intel TCO Timer/Watchdog driver.
+
 config ITCO_WDT
-	tristate "Intel TCO Timer/Watchdog (EXPERIMENTAL)"
-	depends on WATCHDOG && (X86 || IA64) && PCI && EXPERIMENTAL
+	tristate "Intel TCO Timer/Watchdog"
+	depends on WATCHDOG && (X86 || IA64) && PCI
 	---help---
 	  Hardware driver for the intel TCO timer based watchdog devices.
 	  These drivers are included in the Intel 82801 I/O Controller
-	  Hub family 'from ICH0 up to ICH7) and in the Intel 6300ESB
+	  Hub family (from ICH0 up to ICH8) and in the Intel 6300ESB
 	  controller hub.
 
 	  The TCO (Total Cost of Ownership) timer is a watchdog timer
@@ -395,6 +398,26 @@ config CPU5_WDT
 	  To compile this driver as a module, choose M here: the
 	  module will be called cpu5wdt.
 
+config SMSC37B787_WDT
+	tristate "Winbond SMsC37B787 Watchdog Timer"
+	depends on WATCHDOG && X86
+	---help---
+	  This is the driver for the hardware watchdog component on the
+	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
+	  from Vision Systems and maybe others.
+
+	  This watchdog simply watches your kernel to make sure it doesn't
+	  freeze, and if it does, it reboots your computer after a certain
+	  amount of time.
+
+	  Usually a userspace daemon will notify the kernel WDT driver that
+	  userspace is still alive, at regular intervals.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called smsc37b787_wdt.
+
+	  Most people will say N.
+
 config W83627HF_WDT
 	tristate "W83627HF Watchdog Timer"
 	depends on WATCHDOG && X86
@@ -410,6 +433,21 @@ config W83627HF_WDT
 
 	  Most people will say N.
 
+config W83697HF_WDT
+	tristate "W83697HF/W83697HG Watchdog Timer"
+	depends on WATCHDOG && X86
+	---help---
+	  This is the driver for the hardware watchdog on the W83697HF/HG
+	  chipset as used in Dedibox/VIA motherboards (and likely others).
+	  This watchdog simply watches your kernel to make sure it doesn't
+	  freeze, and if it does, it reboots your computer after a certain
+	  amount of time.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called w83697hf_wdt.
+
+	  Most people will say N.
+
 config W83877F_WDT
 	tristate "W83877F (EMACS) Watchdog Timer"
 	depends on WATCHDOG && X86
@@ -443,7 +481,7 @@ config MACHZ_WDT
 	depends on WATCHDOG && X86
 	---help---
 	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
-	  N.  This is the driver for the watchdog timer builtin on that
+	  N.  This is the driver for the watchdog timer built-in on that
 	  processor using ZF-Logic interface.  This watchdog simply watches
 	  your kernel to make sure it doesn't freeze, and if it does, it
 	  reboots your computer after a certain amount of time.
@@ -472,7 +510,6 @@ config SBC_EPX_C3_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called sbc_epx_c3.
 
-
 # PowerPC Architecture
 
 config 8xx_WDT
@@ -502,7 +539,7 @@ config WATCHDOG_RTAS
 	help
 	  This driver adds watchdog support for the RTAS watchdog.
 
-          To compile this driver as a module, choose M here. The module
+	  To compile this driver as a module, choose M here. The module
 	  will be called wdrtas.
 
 # MIPS Architecture
@@ -556,7 +593,7 @@ config SH_WDT_MMAP
 	help
 	  If you say Y here, user applications will be able to mmap the
 	  WDT/CPG registers.
-#
+
 # SPARC64 Architecture
 
 config WATCHDOG_CP1XXX

diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_WDTPCI) += wdt_pci.o
 obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
 
 # ARM Architecture
-obj-$(CONFIG_AT91_WATCHDOG) += at91_wdt.o
+obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o
 obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
 obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
 obj-$(CONFIG_977_WATCHDOG) += wdt977.o
@@ -53,7 +53,9 @@ obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
 obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
 obj-$(CONFIG_SBC8360_WDT) += sbc8360.o
 obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o
+obj-$(CONFIG_SMSC37B787_WDT) += smsc37b787_wdt.o
 obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
+obj-$(CONFIG_W83697HF_WDT) += w83697hf_wdt.o
 obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
 obj-$(CONFIG_W83977F_WDT) += w83977f_wdt.o
 obj-$(CONFIG_MACHZ_WDT) += machzwd.o

diff --git a/drivers/char/watchdog/at91_wdt.c → drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91_wdt.c → drivers/char/watchdog/at91rm9200_wdt.c
diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
@@ -35,6 +35,10 @@
  *	82801GDH (ICH7DH)    : document number 307013-002, 307014-009,
  *	82801GBM (ICH7-M)    : document number 307013-002, 307014-009,
  *	82801GHM (ICH7-M DH) : document number 307013-002, 307014-009,
+ *	82801HB  (ICH8)      : document number 313056-002, 313057-004,
+ *	82801HR  (ICH8R)     : document number 313056-002, 313057-004,
+ *	82801HH  (ICH8DH)    : document number 313056-002, 313057-004,
+ *	82801HO  (ICH8DO)    : document number 313056-002, 313057-004,
  *	6300ESB  (6300ESB)   : document number 300641-003
  */
 
@@ -45,7 +49,7 @@
 /* Module and version information */
 #define DRV_NAME        "iTCO_wdt"
 #define DRV_VERSION     "1.00"
-#define DRV_RELDATE     "30-Jul-2006"
+#define DRV_RELDATE     "08-Oct-2006"
 #define PFX		DRV_NAME ": "
 
 /* Includes */
@@ -85,6 +89,9 @@ enum iTCO_chipsets {
 	TCO_ICH7,	/* ICH7 & ICH7R */
 	TCO_ICH7M,	/* ICH7-M */
 	TCO_ICH7MDH,	/* ICH7-M DH */
+	TCO_ICH8,	/* ICH8 & ICH8R */
+	TCO_ICH8DH,	/* ICH8DH */
+	TCO_ICH8DO,	/* ICH8DO */
 };
 
 static struct {
@@ -108,6 +115,9 @@ static struct {
 	{"ICH7 or ICH7R", 2},
 	{"ICH7-M", 2},
 	{"ICH7-M DH", 2},
+	{"ICH8 or ICH8R", 2},
+	{"ICH8DH", 2},
+	{"ICH8DO", 2},
 	{NULL,0}
 };
 
@@ -135,6 +145,9 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = {
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7    },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7M   },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7MDH },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8    },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DH  },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DO  },
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
@@ -355,7 +368,8 @@ static int iTCO_wdt_get_timeleft (int *time_left)
 		spin_unlock(&iTCO_wdt_private.io_lock);
 
 		*time_left = (val8 * 6) / 10;
-	}
+	} else
+		return -EINVAL;
 	return 0;
 }
 
@@ -426,7 +440,6 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
 {
 	int new_options, retval = -EINVAL;
 	int new_heartbeat;
-	int time_left;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
 	static struct watchdog_info ident = {
@@ -486,6 +499,8 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
 
 		case WDIOC_GETTIMELEFT:
 		{
+			int time_left;
+
 			if (iTCO_wdt_get_timeleft(&time_left))
 				return -EINVAL;
 

diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
@@ -380,18 +380,21 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	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 = 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;
 	}
 
 	wdt_clock = clk_get(&pdev->dev, "watchdog");
 	if (wdt_clock == NULL) {
 		printk(KERN_INFO PFX "failed to find watchdog clock source\n");
+		iounmap(wdt_base);
 		return -ENOENT;
 	}
 
@@ -415,6 +418,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	if (ret) {
 		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
 			WATCHDOG_MINOR, ret);
+		iounmap(wdt_base);
 		return ret;
 	}
 
@@ -451,6 +455,7 @@ static int s3c2410wdt_remove(struct platform_device *dev)
 		wdt_clock = NULL;
 	}
 
+	iounmap(wdt_base);
 	misc_deregister(&s3c2410wdt_miscdev);
 	return 0;
 }