summaryrefslogtreecommitdiffstats
path: root/drivers/s390/char
diff options
context:
space:
mode:
authorJiri Slaby <jslaby@suse.cz>2021-03-02 07:21:50 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-10 09:34:07 +0100
commit2daedb1d1e453da14819d13e11bcd33b8cf85fa9 (patch)
treeee19f032706ed7bf2cb91b25ebb6a84f9fe3101c /drivers/s390/char
parenttty: con3215, remove unneeded tty checks (diff)
downloadlinux-2daedb1d1e453da14819d13e11bcd33b8cf85fa9.tar.xz
linux-2daedb1d1e453da14819d13e11bcd33b8cf85fa9.zip
tty: con3215, remove tty->driver_data casts
Casts of 'void *' pointer are superfluous. So remove them. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210302062214.29627-20-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/con3215.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index ae0dd9c1595c..d26947d743bc 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -911,9 +911,8 @@ static int tty3215_open(struct tty_struct *tty, struct file * filp)
*/
static void tty3215_close(struct tty_struct *tty, struct file * filp)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
if (raw == NULL || tty->count > 1)
return;
tty->closing = 1;
@@ -928,9 +927,7 @@ static void tty3215_close(struct tty_struct *tty, struct file * filp)
*/
static int tty3215_write_room(struct tty_struct *tty)
{
- struct raw3215_info *raw;
-
- raw = (struct raw3215_info *) tty->driver_data;
+ struct raw3215_info *raw = tty->driver_data;
/* Subtract TAB_STOP_SIZE to allow for a tab, 8 <<< 64K */
if ((RAW3215_BUFFER_SIZE - raw->count - TAB_STOP_SIZE) >= 0)
@@ -945,10 +942,9 @@ static int tty3215_write_room(struct tty_struct *tty)
static int tty3215_write(struct tty_struct * tty,
const unsigned char *buf, int count)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
int i, written;
- raw = (struct raw3215_info *) tty->driver_data;
written = count;
while (count > 0) {
for (i = 0; i < count; i++)
@@ -971,10 +967,10 @@ static int tty3215_write(struct tty_struct * tty,
*/
static int tty3215_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
raw3215_putchar(raw, ch);
+
return 1;
}
@@ -987,17 +983,15 @@ static void tty3215_flush_chars(struct tty_struct *tty)
*/
static int tty3215_chars_in_buffer(struct tty_struct *tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
return raw->count;
}
static void tty3215_flush_buffer(struct tty_struct *tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
raw3215_flush_buffer(raw);
tty_wakeup(tty);
}
@@ -1007,9 +1001,8 @@ static void tty3215_flush_buffer(struct tty_struct *tty)
*/
static void tty3215_throttle(struct tty_struct * tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
raw->flags |= RAW3215_THROTTLED;
}
@@ -1018,10 +1011,9 @@ static void tty3215_throttle(struct tty_struct * tty)
*/
static void tty3215_unthrottle(struct tty_struct * tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
unsigned long flags;
- raw = (struct raw3215_info *) tty->driver_data;
if (raw->flags & RAW3215_THROTTLED) {
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw->flags &= ~RAW3215_THROTTLED;
@@ -1035,9 +1027,8 @@ static void tty3215_unthrottle(struct tty_struct * tty)
*/
static void tty3215_stop(struct tty_struct *tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
- raw = (struct raw3215_info *) tty->driver_data;
raw->flags |= RAW3215_STOPPED;
}
@@ -1046,10 +1037,9 @@ static void tty3215_stop(struct tty_struct *tty)
*/
static void tty3215_start(struct tty_struct *tty)
{
- struct raw3215_info *raw;
+ struct raw3215_info *raw = tty->driver_data;
unsigned long flags;
- raw = (struct raw3215_info *) tty->driver_data;
if (raw->flags & RAW3215_STOPPED) {
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw->flags &= ~RAW3215_STOPPED;