[PATCH v1] s390/cio: Correct some typos in comments

[Shen Lichuan <shenlichuan@vivo.com>]

Fixed some confusing typos that were currently identified with codespell,
the details are as follows:

-in the code comments:
drivers/s390/cio/chsc.c:379: EBCIDC ==> EBCDIC
drivers/s390/cio/cio.h:22: sublass ==> subclass
drivers/s390/cio/cmf.c:49: exended ==> extended
drivers/s390/cio/cmf.c:138: sinlge ==> single
drivers/s390/cio/cmf.c:1230: Reenable ==> Re-enable

Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
---
 drivers/s390/cio/chsc.c | 2 +-
 drivers/s390/cio/cio.h  | 2 +-
 drivers/s390/cio/cmf.c  | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index dcc1e1c34ca2..a86b05d14005 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -376,7 +376,7 @@ struct lir {
 #define PARAMS_LEN	10	/* PARAMS=xx,xxxxxx */
 #define NODEID_LEN	35	/* NODEID=tttttt/mdl,mmm.ppssssssssssss,xxxx */
 
-/* Copy EBCIDC text, convert to ASCII and optionally add delimiter. */
+/* Copy EBCDIC text, convert to ASCII and optionally add delimiter. */
 static char *store_ebcdic(char *dest, const char *src, unsigned long len,
 			  char delim)
 {
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index a9057a5b670a..08a5e9380e75 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -19,7 +19,7 @@ struct pmcw {
 	u32 intparm;		/* interruption parameter */
 	u32 qf	 : 1;		/* qdio facility */
 	u32 w	 : 1;
-	u32 isc  : 3;		/* interruption sublass */
+	u32 isc  : 3;		/* interruption subclass */
 	u32 res5 : 3;		/* reserved zeros */
 	u32 ena  : 1;		/* enabled */
 	u32 lm	 : 2;		/* limit mode */
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index f80dc18e2a76..314d53d365d1 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -46,7 +46,7 @@
 /* indices for READCMB */
 enum cmb_index {
 	avg_utilization = -1,
- /* basic and exended format: */
+ /* basic and extended format: */
 	cmb_ssch_rsch_count = 0,
 	cmb_sample_count,
 	cmb_device_connect_time,
@@ -135,7 +135,7 @@ static inline u64 time_to_nsec(u32 value)
  * Users are usually interested in average times,
  * not accumulated time.
  * This also helps us with atomicity problems
- * when reading sinlge values.
+ * when reading single values.
  */
 static inline u64 time_to_avg_nsec(u32 value, u32 count)
 {
@@ -1227,7 +1227,7 @@ int cmf_readall(struct ccw_device *cdev, struct cmbdata *data)
 	return cmbops->readall(cdev, data);
 }
 
-/* Reenable cmf when a disconnected device becomes available again. */
+/* Re-enable cmf when a disconnected device becomes available again. */
 int cmf_reenable(struct ccw_device *cdev)
 {
 	cmbops->reset(cdev);
-- 
2.17.1