tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index 381026c..923cc68 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -508,7 +508,7 @@
 	 * deactivating the watchdog before it is shut down by it.
 	 *
 	 * NOTE: on future versions of the watchdog, this restriction is
-	 * gone: the watchdog will be reloaded with a defaul value (1 min)
+	 * gone: the watchdog will be reloaded with a default value (1 min)
 	 * instead of last value, and you can conveniently set the watchdog
 	 * timeout to 10ms (value = 1) without any problems.
 	 */
diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index b6b3f59..47d7197 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -21,7 +21,7 @@
  *      wd#1 - 2 seconds;
  *      wd#2 - 7.2 ms;
  *  After the expiration of wd#1, it can generate a NMI, SCI, SMI, or
- *  a system RESET and it starts wd#2 that unconditionaly will RESET
+ *  a system RESET and it starts wd#2 that unconditionally will RESET
  *  the system when the counter reaches zero.
  *
  *  14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 3bde56b..5bfb1f2 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -542,7 +542,7 @@
 /**
  * wdrtas_get_tokens - reads in RTAS tokens
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * wdrtas_get_tokens reads in the tokens for the RTAS calls used in
  * this watchdog driver. It tolerates, if "get-sensor-state" and
@@ -598,7 +598,7 @@
 /**
  * wdrtas_register_devs - registers the misc dev handlers
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * wdrtas_register_devs registers the watchdog and temperature watchdog
  * misc devs
@@ -630,7 +630,7 @@
 /**
  * wdrtas_init - init function of the watchdog driver
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * registers the file handlers and the reboot notifier
  */