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/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index d71dfe3..36ede02 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -361,9 +361,9 @@
 	{	"LTS0001",		0       },
 	/* Rockwell's (PORALiNK) 33600 INT PNP */
 	{	"WCI0003",		0	},
-	/* Unkown PnP modems */
+	/* Unknown PnP modems */
 	{	"PNPCXXX",		UNKNOWN_DEV	},
-	/* More unkown PnP modems */
+	/* More unknown PnP modems */
 	{	"PNPDXXX",		UNKNOWN_DEV	},
 	{	"",			0	}
 };
diff --git a/drivers/serial/pmac_zilog.h b/drivers/serial/pmac_zilog.h
index 570b0d9..f6e77f1 100644
--- a/drivers/serial/pmac_zilog.h
+++ b/drivers/serial/pmac_zilog.h
@@ -73,7 +73,7 @@
 }
 
 /*
- * Register acessors. Note that we don't need to enforce a recovery
+ * Register accessors. Note that we don't need to enforce a recovery
  * delay on PCI PowerMac hardware, it's dealt in HW by the MacIO chip,
  * though if we try to use this driver on older machines, we might have
  * to add it back
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 0c08f28..46de564 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -313,7 +313,7 @@
  * This function will attempt to stuff of all the characters from the
  * kernel's transmit buffer into TX BDs.
  *
- * A return value of non-zero indicates that it sucessfully stuffed all
+ * A return value of non-zero indicates that it successfully stuffed all
  * characters from the kernel buffer.
  *
  * A return value of zero indicates that there are still characters in the