4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 16b6f430dfd3..8bbce6a4d7f5 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -1030,7 +1030,7 @@ static int tty3215_write(struct tty_struct *tty, const u8 *buf, int count)
 /*
  * Put character routine for 3215 ttys
  */
-static int tty3215_put_char(struct tty_struct *tty, unsigned char ch)
+static int tty3215_put_char(struct tty_struct *tty, u8 ch)
 {
 	struct raw3215_info *raw = tty->driver_data;
 
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 123524bff734..6374555a0937 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -1821,7 +1821,7 @@ static int tty3270_write(struct tty_struct *tty, const u8 *buf, int count)
 /*
  * Put single characters to the ttys character buffer
  */
-static int tty3270_put_char(struct tty_struct *tty, unsigned char ch)
+static int tty3270_put_char(struct tty_struct *tty, u8 ch)
 {
 	struct tty3270 *tp;
 
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index cc0f6a97124e..831a8c7cacc2 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -48,7 +48,7 @@ static struct sclp_buffer *sclp_ttybuf;
 static struct timer_list sclp_tty_timer;
 
 static struct tty_port sclp_port;
-static unsigned char sclp_tty_chars[SCLP_TTY_BUF_SIZE];
+static u8 sclp_tty_chars[SCLP_TTY_BUF_SIZE];
 static unsigned short int sclp_tty_chars_count;
 
 struct tty_driver *sclp_tty_driver;
@@ -168,7 +168,7 @@ sclp_tty_timeout(struct timer_list *unused)
 /*
  * Write a string to the sclp tty.
  */
-static int sclp_tty_write_string(const unsigned char *str, int count, int may_fail)
+static int sclp_tty_write_string(const u8 *str, int count, int may_fail)
 {
 	unsigned long flags;
 	void *page;
@@ -250,7 +250,7 @@ sclp_tty_write(struct tty_struct *tty, const u8 *buf, int count)
  * sclp_write() without final '\n' - will be written.
  */
 static int
-sclp_tty_put_char(struct tty_struct *tty, unsigned char ch)
+sclp_tty_put_char(struct tty_struct *tty, u8 ch)
 {
 	sclp_tty_chars[sclp_tty_chars_count++] = ch;
 	if (ch == '\n' || sclp_tty_chars_count >= SCLP_TTY_BUF_SIZE) {
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 44974d801c1e..e148350c1e2c 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -579,7 +579,7 @@ sclp_vt220_close(struct tty_struct *tty, struct file *filp)
  * done stuffing characters into the driver.
  */
 static int
-sclp_vt220_put_char(struct tty_struct *tty, unsigned char ch)
+sclp_vt220_put_char(struct tty_struct *tty, u8 ch)
 {
 	return __sclp_vt220_write(&ch, 1, 0, 0, 1);
 }