46 files changed, 460 insertions, 73 deletions

diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index 77ab7e020da0..06f3fa2fe877 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -172,6 +172,17 @@ config OMAP_WATCHDOG
           Support for TI OMAP1610/OMAP1710/OMAP2420 watchdog.  Say 'Y' here to
           enable the OMAP1610/OMAP1710 watchdog timer.
 
+config PNX4008_WATCHDOG
+        tristate "PNX4008 Watchdog"
+        depends on WATCHDOG && ARCH_PNX4008
+        help
+          Say Y here if to include support for the watchdog timer
+          in the PNX4008 processor.
+          This driver can be built as a module by choosing M. The module
+          will be called pnx4008_wdt.
+
+          Say N if you are unsure.
+
 # X86 (i386 + ia64 + x86_64) Architecture
 
 config ACQUIRE_WDT
diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
index 5099f8be8cc5..6ffca7cb56ab 100644
--- a/drivers/char/watchdog/Makefile
+++ b/drivers/char/watchdog/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
 obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
 obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
 obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
+obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
 
 # X86 (i386 + ia64 + x86_64) Architecture
 obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
diff --git a/drivers/char/watchdog/acquirewdt.c b/drivers/char/watchdog/acquirewdt.c
index c77fe3cf2852..154d67e591e5 100644
--- a/drivers/char/watchdog/acquirewdt.c
+++ b/drivers/char/watchdog/acquirewdt.c
@@ -183,7 +183,7 @@ static int acq_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         }
 
         default:
-          return -ENOIOCTLCMD;
+          return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/advantechwdt.c b/drivers/char/watchdog/advantechwdt.c
index 8069be445edc..9d732769ba01 100644
--- a/drivers/char/watchdog/advantechwdt.c
+++ b/drivers/char/watchdog/advantechwdt.c
@@ -176,7 +176,7 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         }
 
         default:
-          return -ENOIOCTLCMD;
+          return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c
index c5c94e4c9495..01b0d132ee41 100644
--- a/drivers/char/watchdog/alim1535_wdt.c
+++ b/drivers/char/watchdog/alim1535_wdt.c
@@ -236,7 +236,7 @@ static int ali_ioctl(struct inode *inode, struct file *file,
                         return put_user(timeout, p);
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
@@ -330,17 +330,20 @@ static int __init ali_find_watchdog(void)
         u32 wdog;
 
         /* Check for a 1535 series bridge */
-        pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x1535, NULL);
+        pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x1535, NULL);
         if(pdev == NULL)
                 return -ENODEV;
+        pci_dev_put(pdev);
 
         /* Check for the a 7101 PMU */
-        pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x7101, NULL);
+        pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x7101, NULL);
         if(pdev == NULL)
                 return -ENODEV;
 
-        if(pci_enable_device(pdev))
+        if(pci_enable_device(pdev)) {
+                pci_dev_put(pdev);
                 return -EIO;
+        }
 
         ali_pci = pdev;
 
@@ -447,6 +450,7 @@ static void __exit watchdog_exit(void)
         /* Deregister */
         unregister_reboot_notifier(&ali_notifier);
         misc_deregister(&ali_miscdev);
+        pci_dev_put(ali_pci);
 }
 
 module_init(watchdog_init);
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index ffd7684f999b..5948863b592b 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -277,7 +277,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
                 case WDIOC_GETTIMEOUT:
                         return put_user(timeout, p);
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
@@ -333,6 +333,7 @@ static void __exit alim7101_wdt_unload(void)
         /* Deregister */
         misc_deregister(&wdt_miscdev);
         unregister_reboot_notifier(&wdt_notifier);
+        pci_dev_put(alim7101_pmu);
 }
 
 static int __init alim7101_wdt_init(void)
@@ -342,7 +343,8 @@ static int __init alim7101_wdt_init(void)
         char tmp;
 
         printk(KERN_INFO PFX "Steve Hill <steve@navaho.co.uk>.\n");
-        alim7101_pmu = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,NULL);
+        alim7101_pmu = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
+                NULL);
         if (!alim7101_pmu) {
                 printk(KERN_INFO PFX "ALi M7101 PMU not present - WDT not set\n");
                 return -EBUSY;
@@ -351,21 +353,23 @@ static int __init alim7101_wdt_init(void)
         /* Set the WDT in the PMU to 1 second */
         pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, 0x02);
 
-        ali1543_south = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
+        ali1543_south = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+                NULL);
         if (!ali1543_south) {
                 printk(KERN_INFO PFX "ALi 1543 South-Bridge not present - WDT not set\n");
-                return -EBUSY;
+                goto err_out;
         }
         pci_read_config_byte(ali1543_south, 0x5e, &tmp);
+        pci_dev_put(ali1543_south);
         if ((tmp & 0x1e) == 0x00) {
                 if (!use_gpio) {
                         printk(KERN_INFO PFX "Detected old alim7101 revision 'a1d'.  If this is a cobalt board, set the 'use_gpio' module parameter.\n");
-                        return -EBUSY;
+                        goto err_out;
                 } 
                 nowayout = 1;
         } else if ((tmp & 0x1e) != 0x12 && (tmp & 0x1e) != 0x00) {
                 printk(KERN_INFO PFX "ALi 1543 South-Bridge does not have the correct revision number (???1001?) - WDT not set\n");
-                return -EBUSY;
+                goto err_out;
         }
 
         if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
@@ -404,6 +408,7 @@ static int __init alim7101_wdt_init(void)
 err_out_miscdev:
         misc_deregister(&wdt_miscdev);
 err_out:
+        pci_dev_put(alim7101_pmu);
         return rc;
 }
 
diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c
index cc266715ea32..4e7a1145e78f 100644
--- a/drivers/char/watchdog/at91_wdt.c
+++ b/drivers/char/watchdog/at91_wdt.c
@@ -168,7 +168,7 @@ static int at91_wdt_ioctl(struct inode *inode, struct file *file,
                         return 0;
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index e3cefc538b40..488902231cc2 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -125,7 +125,7 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
                         return -EINVAL;
                 return 0;
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 
         return 0;
diff --git a/drivers/char/watchdog/cpu5wdt.c b/drivers/char/watchdog/cpu5wdt.c
index 04c7e49918db..00bdabb90f27 100644
--- a/drivers/char/watchdog/cpu5wdt.c
+++ b/drivers/char/watchdog/cpu5wdt.c
@@ -183,7 +183,7 @@ static int cpu5wdt_ioctl(struct inode *inode, struct file *file, unsigned int cm
                         }
                         break;
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/ep93xx_wdt.c b/drivers/char/watchdog/ep93xx_wdt.c
index 77c8a955ae9e..01cf123b1616 100644
--- a/drivers/char/watchdog/ep93xx_wdt.c
+++ b/drivers/char/watchdog/ep93xx_wdt.c
@@ -144,7 +144,7 @@ static int
 ep93xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                  unsigned long arg)
 {
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
 
         switch (cmd) {
         case WDIOC_GETSUPPORT:
diff --git a/drivers/char/watchdog/eurotechwdt.c b/drivers/char/watchdog/eurotechwdt.c
index 62dbccb2f6df..4f4269754c46 100644
--- a/drivers/char/watchdog/eurotechwdt.c
+++ b/drivers/char/watchdog/eurotechwdt.c
@@ -240,7 +240,7 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
 
         switch(cmd) {
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
 
         case WDIOC_GETSUPPORT:
                 return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
diff --git a/drivers/char/watchdog/i6300esb.c b/drivers/char/watchdog/i6300esb.c
index 870539eabbf3..fb64df4d7c87 100644
--- a/drivers/char/watchdog/i6300esb.c
+++ b/drivers/char/watchdog/i6300esb.c
@@ -315,7 +315,7 @@ static int esb_ioctl (struct inode *inode, struct file *file,
                         return put_user(heartbeat, p);
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index 8385dd36eefe..e0627d79707b 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -356,7 +356,7 @@ static int i8xx_tco_ioctl (struct inode *inode, struct file *file,
                 }
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
@@ -406,18 +406,18 @@ static struct notifier_block i8xx_tco_notifier = {
  * want to register another driver on the same PCI id.
  */
 static struct pci_device_id i8xx_tco_pci_tbl[] = {
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10,  PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12,  PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,  PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0,    PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0,   PCI_ANY_ID, PCI_ANY_ID, },
-        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,       PCI_ANY_ID, PCI_ANY_ID, },
-        { 0, },                 /* End of list */
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1) },
+        { },                    /* End of list */
 };
 MODULE_DEVICE_TABLE (pci, i8xx_tco_pci_tbl);
 
@@ -434,12 +434,11 @@ static unsigned char __init i8xx_tco_getdevice (void)
          *      Find the PCI device
          */
 
-        while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+        for_each_pci_dev(dev)
                 if (pci_match_id(i8xx_tco_pci_tbl, dev)) {
                         i8xx_tco_pci = dev;
                         break;
                 }
-        }
 
         if (i8xx_tco_pci) {
                 /*
@@ -454,6 +453,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
                 /* Something's wrong here, ACPIBASE has to be set */
                 if (badr == 0x0001 || badr == 0x0000) {
                         printk (KERN_ERR PFX "failed to get TCOBASE address\n");
+                        pci_dev_put(i8xx_tco_pci);
                         return 0;
                 }
 
@@ -465,6 +465,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
                         pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
                         if (val1 & 0x02) {
                                 printk (KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
+                                pci_dev_put(i8xx_tco_pci);
                                 return 0;       /* Cannot reset NO_REBOOT bit */
                         }
                 }
@@ -476,6 +477,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
                 if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
                         printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
                                 SMI_EN + 1);
+                        pci_dev_put(i8xx_tco_pci);
                         return 0;
                 }
                 val1 = inb (SMI_EN + 1);
@@ -542,6 +544,7 @@ unreg_notifier:
 unreg_region:
         release_region (TCOBASE, 0x10);
 out:
+        pci_dev_put(i8xx_tco_pci);
         return ret;
 }
 
@@ -555,6 +558,8 @@ static void __exit watchdog_cleanup (void)
         misc_deregister (&i8xx_tco_miscdev);
         unregister_reboot_notifier(&i8xx_tco_notifier);
         release_region (TCOBASE, 0x10);
+
+        pci_dev_put(i8xx_tco_pci);
 }
 
 module_init(watchdog_init);
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c
index fd95f7327798..c1ed209a138c 100644
--- a/drivers/char/watchdog/ib700wdt.c
+++ b/drivers/char/watchdog/ib700wdt.c
@@ -199,7 +199,7 @@ ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
           break;
 
         default:
-          return -ENOIOCTLCMD;
+          return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/ibmasr.c b/drivers/char/watchdog/ibmasr.c
index 26ceee7a4df0..dd6760f1a23b 100644
--- a/drivers/char/watchdog/ibmasr.c
+++ b/drivers/char/watchdog/ibmasr.c
@@ -295,7 +295,7 @@ static int asr_ioctl(struct inode *inode, struct file *file,
                 }
         }
 
-        return -ENOIOCTLCMD;
+        return -ENOTTY;
 }
 
 static int asr_open(struct inode *inode, struct file *file)
diff --git a/drivers/char/watchdog/indydog.c b/drivers/char/watchdog/indydog.c
index dacc1c20a310..0bc239308989 100644
--- a/drivers/char/watchdog/indydog.c
+++ b/drivers/char/watchdog/indydog.c
@@ -112,7 +112,7 @@ static int indydog_ioctl(struct inode *inode, struct file *file,
 
         switch (cmd) {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         if (copy_to_user((struct watchdog_info *)arg,
                                          &ident, sizeof(ident)))
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c
index 692908819e26..c91d9a660ec0 100644
--- a/drivers/char/watchdog/ixp2000_wdt.c
+++ b/drivers/char/watchdog/ixp2000_wdt.c
@@ -107,7 +107,7 @@ static int
 ixp2000_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                         unsigned long arg)
 {
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
         int time;
 
         switch (cmd) {
diff --git a/drivers/char/watchdog/ixp4xx_wdt.c b/drivers/char/watchdog/ixp4xx_wdt.c
index 9db5cf2c38c3..db477f712388 100644
--- a/drivers/char/watchdog/ixp4xx_wdt.c
+++ b/drivers/char/watchdog/ixp4xx_wdt.c
@@ -102,7 +102,7 @@ static int
 ixp4xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                         unsigned long arg)
 {
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
         int time;
 
         switch (cmd) {
diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c
index 23734e07fb22..276577d08fba 100644
--- a/drivers/char/watchdog/machzwd.c
+++ b/drivers/char/watchdog/machzwd.c
@@ -329,7 +329,7 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                         break;
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 
         return 0;
@@ -426,8 +426,7 @@ static int __init zf_init(void)
         printk(KERN_INFO PFX ": MachZ ZF-Logic Watchdog driver initializing.\n");
 
         ret = zf_get_ZFL_version();
-        printk("%#x\n", ret);
-        if((!ret) || (ret != 0xffff)){
+        if ((!ret) || (ret == 0xffff)) {
                 printk(KERN_WARNING PFX ": no ZF-Logic found\n");
                 return -ENODEV;
         }
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index ae943324d251..c2dac0aa1d62 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -185,7 +185,7 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
                         mixcomwd_ping();
                         break;
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/mpc83xx_wdt.c b/drivers/char/watchdog/mpc83xx_wdt.c
index a480903ee1a5..18ca752e2f90 100644
--- a/drivers/char/watchdog/mpc83xx_wdt.c
+++ b/drivers/char/watchdog/mpc83xx_wdt.c
@@ -125,7 +125,7 @@ static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
         case WDIOC_GETTIMEOUT:
                 return put_user(timeout_sec, p);
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/mpc8xx_wdt.c b/drivers/char/watchdog/mpc8xx_wdt.c
index 35dd9e6e1140..8aaed10dd499 100644
--- a/drivers/char/watchdog/mpc8xx_wdt.c
+++ b/drivers/char/watchdog/mpc8xx_wdt.c
@@ -126,7 +126,7 @@ static int mpc8xx_wdt_ioctl(struct inode *inode, struct file *file,
                 break;
 
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 
         return 0;
diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index 54b3c56ead0d..02d336ace504 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -221,7 +221,7 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
         } uarg;
 
         if (_IOC_DIR(cmd) && _IOC_SIZE(cmd) > sizeof(uarg))
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
 
         if (_IOC_DIR(cmd) & _IOC_WRITE) {
                 ret = copy_from_user(&uarg, (void __user *)arg, _IOC_SIZE(cmd));
@@ -271,7 +271,7 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
                 break;
 
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 
         if (ret == 0 && _IOC_DIR(cmd) & _IOC_READ) {
diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c
index 5c8fab345b40..b887cdb01334 100644
--- a/drivers/char/watchdog/mv64x60_wdt.c
+++ b/drivers/char/watchdog/mv64x60_wdt.c
@@ -160,7 +160,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file,
                 break;
 
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 
         return 0;
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index cd7d1b6a5d9f..6f8515db5b07 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -572,7 +572,7 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
 
         switch(cmd) {
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
 
         case WDIOC_GETSUPPORT:
                 if(copy_to_user(argp, &ident, sizeof(ident)))
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index c7cfd6dbfe1b..2de6e497c140 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -541,7 +541,7 @@ static int pcipcwd_ioctl(struct inode *inode, struct file *file,
                 }
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index b7ae73dcdd08..77662cb0ac46 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -445,7 +445,7 @@ static int usb_pcwd_ioctl(struct inode *inode, struct file *file,
                 }
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
new file mode 100644
index 000000000000..e7f0450a939d
--- /dev/null
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -0,0 +1,362 @@
+/*
+ * drivers/char/watchdog/pnx4008_wdt.c
+ *
+ * Watchdog driver for PNX4008 board
+ *
+ * Authors: Dmitry Chigirev <source@mvista.com>,
+ *          Vitaly Wool <vitalywool@gmail.com>
+ * Based on sa1100 driver,
+ * Copyright (C) 2000 Oleg Drokin <green@crimea.edu>
+ *
+ * 2005-2006 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+
+#include <asm/hardware.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+
+#define MODULE_NAME "PNX4008-WDT: "
+
+/* WatchDog Timer - Chapter 23 Page 207 */
+
+#define DEFAULT_HEARTBEAT 19
+#define MAX_HEARTBEAT     60
+
+/* Watchdog timer register set definition */
+#define WDTIM_INT(p)     ((p) + 0x0)
+#define WDTIM_CTRL(p)    ((p) + 0x4)
+#define WDTIM_COUNTER(p) ((p) + 0x8)
+#define WDTIM_MCTRL(p)   ((p) + 0xC)
+#define WDTIM_MATCH0(p)  ((p) + 0x10)
+#define WDTIM_EMR(p)     ((p) + 0x14)
+#define WDTIM_PULSE(p)   ((p) + 0x18)
+#define WDTIM_RES(p)     ((p) + 0x1C)
+
+/* WDTIM_INT bit definitions */
+#define MATCH_INT      1
+
+/* WDTIM_CTRL bit definitions */
+#define COUNT_ENAB     1
+#define RESET_COUNT    (1<<1)
+#define DEBUG_EN       (1<<2)
+
+/* WDTIM_MCTRL bit definitions */
+#define MR0_INT        1
+#undef  RESET_COUNT0
+#define RESET_COUNT0   (1<<2)
+#define STOP_COUNT0    (1<<2)
+#define M_RES1         (1<<3)
+#define M_RES2         (1<<4)
+#define RESFRC1        (1<<5)
+#define RESFRC2        (1<<6)
+
+/* WDTIM_EMR bit definitions */
+#define EXT_MATCH0      1
+#define MATCH_OUTPUT_HIGH (2<<4)        /*a MATCH_CTRL setting */
+
+/* WDTIM_RES bit definitions */
+#define WDOG_RESET      1       /* read only */
+
+#define WDOG_COUNTER_RATE 13000000      /*the counter clock is 13 MHz fixed */
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+static int heartbeat = DEFAULT_HEARTBEAT;
+
+static spinlock_t io_lock;
+static unsigned long wdt_status;
+#define WDT_IN_USE        0
+#define WDT_OK_TO_CLOSE   1
+#define WDT_REGION_INITED 2
+#define WDT_DEVICE_INITED 3
+
+static unsigned long boot_status;
+
+static struct resource  *wdt_mem;
+static void __iomem     *wdt_base;
+struct clk              *wdt_clk;
+
+static void wdt_enable(void)
+{
+        spin_lock(&io_lock);
+
+        if (wdt_clk)
+                clk_set_rate(wdt_clk, 1);
+
+        /* stop counter, initiate counter reset */
+        __raw_writel(RESET_COUNT, WDTIM_CTRL(wdt_base));
+        /*wait for reset to complete. 100% guarantee event */
+        while (__raw_readl(WDTIM_COUNTER(wdt_base)))
+                cpu_relax();
+        /* internal and external reset, stop after that */
+        __raw_writel(M_RES2 | STOP_COUNT0 | RESET_COUNT0,
+                WDTIM_MCTRL(wdt_base));
+        /* configure match output */
+        __raw_writel(MATCH_OUTPUT_HIGH, WDTIM_EMR(wdt_base));
+        /* clear interrupt, just in case */
+        __raw_writel(MATCH_INT, WDTIM_INT(wdt_base));
+        /* the longest pulse period 65541/(13*10^6) seconds ~ 5 ms. */
+        __raw_writel(0xFFFF, WDTIM_PULSE(wdt_base));
+        __raw_writel(heartbeat * WDOG_COUNTER_RATE, WDTIM_MATCH0(wdt_base));
+        /*enable counter, stop when debugger active */
+        __raw_writel(COUNT_ENAB | DEBUG_EN, WDTIM_CTRL(wdt_base));
+
+        spin_unlock(&io_lock);
+}
+
+static void wdt_disable(void)
+{
+        spin_lock(&io_lock);
+
+        __raw_writel(0, WDTIM_CTRL(wdt_base));  /*stop counter */
+        if (wdt_clk)
+                clk_set_rate(wdt_clk, 0);
+
+        spin_unlock(&io_lock);
+}
+
+static int pnx4008_wdt_open(struct inode *inode, struct file *file)
+{
+        if (test_and_set_bit(WDT_IN_USE, &wdt_status))
+                return -EBUSY;
+
+        clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+        wdt_enable();
+
+        return nonseekable_open(inode, file);
+}
+
+static ssize_t
+pnx4008_wdt_write(struct file *file, const char *data, size_t len,
+                  loff_t * ppos)
+{
+        /*  Can't seek (pwrite) on this device  */
+        if (ppos != &file->f_pos)
+                return -ESPIPE;
+
+        if (len) {
+                if (!nowayout) {
+                        size_t i;
+
+                        clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+                        for (i = 0; i != len; i++) {
+                                char c;
+
+                                if (get_user(c, data + i))
+                                        return -EFAULT;
+                                if (c == 'V')
+                                        set_bit(WDT_OK_TO_CLOSE, &wdt_status);
+                        }
+                }
+                wdt_enable();
+        }
+
+        return len;
+}
+
+static struct watchdog_info ident = {
+        .options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
+            WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+        .identity = "PNX4008 Watchdog",
+};
+
+static int
+pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+                  unsigned long arg)
+{
+        int ret = -ENOIOCTLCMD;
+        int time;
+
+        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_GETBOOTSTATUS:
+                ret = put_user(boot_status, (int *)arg);
+                break;
+
+        case WDIOC_SETTIMEOUT:
+                ret = get_user(time, (int *)arg);
+                if (ret)
+                        break;
+
+                if (time <= 0 || time > MAX_HEARTBEAT) {
+                        ret = -EINVAL;
+                        break;
+                }
+
+                heartbeat = time;
+                wdt_enable();
+                /* Fall through */
+
+        case WDIOC_GETTIMEOUT:
+                ret = put_user(heartbeat, (int *)arg);
+                break;
+
+        case WDIOC_KEEPALIVE:
+                wdt_enable();
+                ret = 0;
+                break;
+        }
+        return ret;
+}
+
+static int pnx4008_wdt_release(struct inode *inode, struct file *file)
+{
+        if (!test_bit(WDT_OK_TO_CLOSE, &wdt_status))
+                printk(KERN_WARNING "WATCHDOG: Device closed unexpectdly\n");
+
+        wdt_disable();
+        clear_bit(WDT_IN_USE, &wdt_status);
+        clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+        return 0;
+}
+
+static struct file_operations pnx4008_wdt_fops = {
+        .owner = THIS_MODULE,
+        .llseek = no_llseek,
+        .write = pnx4008_wdt_write,
+        .ioctl = pnx4008_wdt_ioctl,
+        .open = pnx4008_wdt_open,
+        .release = pnx4008_wdt_release,
+};
+
+static struct miscdevice pnx4008_wdt_miscdev = {
+        .minor = WATCHDOG_MINOR,
+        .name = "watchdog",
+        .fops = &pnx4008_wdt_fops,
+};
+
+static int pnx4008_wdt_probe(struct platform_device *pdev)
+{
+        int ret = 0, size;
+        struct resource *res;
+
+        spin_lock_init(&io_lock);
+
+        if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
+                heartbeat = DEFAULT_HEARTBEAT;
+
+        printk(KERN_INFO MODULE_NAME
+                "PNX4008 Watchdog Timer: heartbeat %d sec\n", heartbeat);
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (res == NULL) {
+                printk(KERN_INFO MODULE_NAME
+                        "failed to get memory region resouce\n");
+                return -ENOENT;
+        }
+
+        size = res->end - res->start + 1;
+        wdt_mem = request_mem_region(res->start, size, pdev->name);
+
+        if (wdt_mem == NULL) {
+                printk(KERN_INFO MODULE_NAME "failed to get memory region\n");
+                return -ENOENT;
+        }
+        wdt_base = (void __iomem *)IO_ADDRESS(res->start);
+
+        wdt_clk = clk_get(&pdev->dev, "wdt_ck");
+        if (!wdt_clk) {
+                release_resource(wdt_mem);
+                kfree(wdt_mem);
+                goto out;
+        } else
+                clk_set_rate(wdt_clk, 1);
+
+        ret = misc_register(&pnx4008_wdt_miscdev);
+        if (ret < 0) {
+                printk(KERN_ERR MODULE_NAME "cannot register misc device\n");
+                release_resource(wdt_mem);
+                kfree(wdt_mem);
+                clk_set_rate(wdt_clk, 0);
+        } else {
+                boot_status = (__raw_readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ?
+                    WDIOF_CARDRESET : 0;
+                wdt_disable();          /*disable for now */
+                set_bit(WDT_DEVICE_INITED, &wdt_status);
+        }
+
+out:
+        return ret;
+}
+
+static int pnx4008_wdt_remove(struct platform_device *pdev)
+{
+        misc_deregister(&pnx4008_wdt_miscdev);
+        if (wdt_clk) {
+                clk_set_rate(wdt_clk, 0);
+                clk_put(wdt_clk);
+                wdt_clk = NULL;
+        }
+        if (wdt_mem) {
+                release_resource(wdt_mem);
+                kfree(wdt_mem);
+                wdt_mem = NULL;
+        }
+        return 0;
+}
+
+static struct platform_driver platform_wdt_driver = {
+        .driver = {
+                .name = "watchdog",
+        },
+        .probe = pnx4008_wdt_probe,
+        .remove = pnx4008_wdt_remove,
+};
+
+static int __init pnx4008_wdt_init(void)
+{
+        return platform_driver_register(&platform_wdt_driver);
+}
+
+static void __exit pnx4008_wdt_exit(void)
+{
+        return platform_driver_unregister(&platform_wdt_driver);
+}
+
+module_init(pnx4008_wdt_init);
+module_exit(pnx4008_wdt_exit);
+
+MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>");
+MODULE_DESCRIPTION("PNX4008 Watchdog Driver");
+
+module_param(heartbeat, int, 0);
+MODULE_PARM_DESC(heartbeat,
+                 "Watchdog heartbeat period in seconds from 1 to "
+                 __MODULE_STRING(MAX_HEARTBEAT) ", default "
+                 __MODULE_STRING(DEFAULT_HEARTBEAT));
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+                 "Set to 1 to keep watchdog running after device release");
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index be978e8ed754..b36a04ae9ab8 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -62,7 +62,7 @@
 #define CONFIG_S3C2410_WATCHDOG_ATBOOT          (0)
 #define CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME    (15)
 
-static int nowayout = WATCHDOG_NOWAYOUT;
+static int nowayout     = WATCHDOG_NOWAYOUT;
 static int tmr_margin   = CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME;
 static int tmr_atboot   = CONFIG_S3C2410_WATCHDOG_ATBOOT;
 static int soft_noboot  = 0;
@@ -213,11 +213,10 @@ static int s3c2410wdt_open(struct inode *inode, struct file *file)
         if(down_trylock(&open_lock))
                 return -EBUSY;
 
-        if (nowayout) {
+        if (nowayout)
                 __module_get(THIS_MODULE);
-        } else {
-                allow_close = CLOSE_STATE_ALLOW;
-        }
+
+        allow_close = CLOSE_STATE_NOT;
 
         /* start the timer */
         s3c2410wdt_start();
@@ -230,6 +229,7 @@ static int s3c2410wdt_release(struct inode *inode, struct file *file)
          *      Shut off the timer.
          *      Lock it in if it's a module and we set nowayout
          */
+
         if (allow_close == CLOSE_STATE_ALLOW) {
                 s3c2410wdt_stop();
         } else {
@@ -288,7 +288,7 @@ static int s3c2410wdt_ioctl(struct inode *inode, struct file *file,
 
         switch (cmd) {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
 
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &s3c2410_wdt_ident,
diff --git a/drivers/char/watchdog/sa1100_wdt.c b/drivers/char/watchdog/sa1100_wdt.c
index 1fc16d995788..33c1137f17d6 100644
--- a/drivers/char/watchdog/sa1100_wdt.c
+++ b/drivers/char/watchdog/sa1100_wdt.c
@@ -90,7 +90,7 @@ static struct watchdog_info ident = {
 static int sa1100dog_ioctl(struct inode *inode, struct file *file,
         unsigned int cmd, unsigned long arg)
 {
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
         int time;
         void __user *argp = (void __user *)arg;
         int __user *p = argp;
diff --git a/drivers/char/watchdog/sbc60xxwdt.c b/drivers/char/watchdog/sbc60xxwdt.c
index 4663c2fd53cd..c7b2045bc76b 100644
--- a/drivers/char/watchdog/sbc60xxwdt.c
+++ b/drivers/char/watchdog/sbc60xxwdt.c
@@ -235,7 +235,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         switch(cmd)
         {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
                 case WDIOC_GETSTATUS:
diff --git a/drivers/char/watchdog/sbc_epx_c3.c b/drivers/char/watchdog/sbc_epx_c3.c
index bfc475dabe6d..8882b427d24f 100644
--- a/drivers/char/watchdog/sbc_epx_c3.c
+++ b/drivers/char/watchdog/sbc_epx_c3.c
@@ -141,7 +141,7 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
 
                 return retval;
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 7c3cf293a5af..d8d0f28e0acf 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -180,7 +180,7 @@ static int sc1200wdt_ioctl(struct inode *inode, struct file *file, unsigned int
 
         switch (cmd) {
                 default:
-                        return -ENOIOCTLCMD;    /* Keep Pavel Machek amused ;) */
+                        return -ENOTTY;
 
                 case WDIOC_GETSUPPORT:
                         if (copy_to_user(argp, &ident, sizeof ident))
diff --git a/drivers/char/watchdog/sc520_wdt.c b/drivers/char/watchdog/sc520_wdt.c
index 2c7c9db71be8..caec37ba750a 100644
--- a/drivers/char/watchdog/sc520_wdt.c
+++ b/drivers/char/watchdog/sc520_wdt.c
@@ -290,7 +290,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         switch(cmd)
         {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
                 case WDIOC_GETSTATUS:
diff --git a/drivers/char/watchdog/scx200_wdt.c b/drivers/char/watchdog/scx200_wdt.c
index c561299a5537..fc0e0347f9d2 100644
--- a/drivers/char/watchdog/scx200_wdt.c
+++ b/drivers/char/watchdog/scx200_wdt.c
@@ -166,7 +166,7 @@ static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
 
         switch (cmd) {
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         case WDIOC_GETSUPPORT:
                 if(copy_to_user(argp, &ident, sizeof(ident)))
                         return -EFAULT;
diff --git a/drivers/char/watchdog/shwdt.c b/drivers/char/watchdog/shwdt.c
index e5b8c64f1d65..dc403629aeb3 100644
--- a/drivers/char/watchdog/shwdt.c
+++ b/drivers/char/watchdog/shwdt.c
@@ -360,7 +360,7 @@ static int sh_wdt_ioctl(struct inode *inode, struct file *file,
 
                         return retval;
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 
         return 0;
diff --git a/drivers/char/watchdog/softdog.c b/drivers/char/watchdog/softdog.c
index ef8da517545a..4067e1f8a368 100644
--- a/drivers/char/watchdog/softdog.c
+++ b/drivers/char/watchdog/softdog.c
@@ -203,7 +203,7 @@ static int softdog_ioctl(struct inode *inode, struct file *file,
         };
         switch (cmd) {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident,
                                 sizeof(ident)) ? -EFAULT : 0;
diff --git a/drivers/char/watchdog/w83627hf_wdt.c b/drivers/char/watchdog/w83627hf_wdt.c
index 13f16d41c2fd..b4adc527e687 100644
--- a/drivers/char/watchdog/w83627hf_wdt.c
+++ b/drivers/char/watchdog/w83627hf_wdt.c
@@ -223,7 +223,7 @@ wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         }
 
         default:
-          return -ENOIOCTLCMD;
+          return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/w83877f_wdt.c b/drivers/char/watchdog/w83877f_wdt.c
index ccf6c0915945..b0e5f84d6baf 100644
--- a/drivers/char/watchdog/w83877f_wdt.c
+++ b/drivers/char/watchdog/w83877f_wdt.c
@@ -252,7 +252,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         switch(cmd)
         {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
                 case WDIOC_GETSTATUS:
diff --git a/drivers/char/watchdog/w83977f_wdt.c b/drivers/char/watchdog/w83977f_wdt.c
index 98f4e17db70a..2c8d5d8bd4e8 100644
--- a/drivers/char/watchdog/w83977f_wdt.c
+++ b/drivers/char/watchdog/w83977f_wdt.c
@@ -393,7 +393,7 @@ static int wdt_ioctl(struct inode *inode, struct file *file,
         switch(cmd)
         {
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
 
         case WDIOC_GETSUPPORT:
                 return copy_to_user(uarg.ident, &ident, sizeof(ident)) ? -EFAULT : 0;
diff --git a/drivers/char/watchdog/wafer5823wdt.c b/drivers/char/watchdog/wafer5823wdt.c
index 2bb6a9d6ad28..163e028ef9ed 100644
--- a/drivers/char/watchdog/wafer5823wdt.c
+++ b/drivers/char/watchdog/wafer5823wdt.c
@@ -174,7 +174,7 @@ static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd
         }
 
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
         return 0;
 }
diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c
index 5c38cdf41731..1d64e277567d 100644
--- a/drivers/char/watchdog/wdrtas.c
+++ b/drivers/char/watchdog/wdrtas.c
@@ -385,7 +385,7 @@ wdrtas_ioctl(struct inode *inode, struct file *file,
                 return put_user(wdrtas_interval, argp);
 
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/wdt.c b/drivers/char/watchdog/wdt.c
index 70be81e39a61..13f23f4a2233 100644
--- a/drivers/char/watchdog/wdt.c
+++ b/drivers/char/watchdog/wdt.c
@@ -341,7 +341,7 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         switch(cmd)
         {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
 
diff --git a/drivers/char/watchdog/wdt285.c b/drivers/char/watchdog/wdt285.c
index 6555fb844f23..89a249e23fde 100644
--- a/drivers/char/watchdog/wdt285.c
+++ b/drivers/char/watchdog/wdt285.c
@@ -137,7 +137,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                unsigned long arg)
 {
         unsigned int new_margin;
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
 
         switch(cmd) {
         case WDIOC_GETSUPPORT:
diff --git a/drivers/char/watchdog/wdt977.c b/drivers/char/watchdog/wdt977.c
index a0935bc775f8..6253041b235b 100644
--- a/drivers/char/watchdog/wdt977.c
+++ b/drivers/char/watchdog/wdt977.c
@@ -361,7 +361,7 @@ static int wdt977_ioctl(struct inode *inode, struct file *file,
         switch(cmd)
         {
         default:
-                return -ENOIOCTLCMD;
+                return -ENOTTY;
 
         case WDIOC_GETSUPPORT:
                 return copy_to_user(uarg.ident, &ident,
diff --git a/drivers/char/watchdog/wdt_pci.c b/drivers/char/watchdog/wdt_pci.c
index 5918ca2c9c35..74d8cf836e13 100644
--- a/drivers/char/watchdog/wdt_pci.c
+++ b/drivers/char/watchdog/wdt_pci.c
@@ -386,7 +386,7 @@ static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd
         switch(cmd)
         {
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
                 case WDIOC_GETSUPPORT:
                         return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;