Re: [PATCH 28/36] tty: propagate u8 data to tty_operations::put_char()

From: Alexander Gordeev
Date: Thu Aug 17 2023 - 06:56:40 EST


On Thu, Aug 10, 2023 at 11:15:02AM +0200, Jiri Slaby (SUSE) wrote:
...
> drivers/s390/char/con3215.c | 2 +-
> drivers/s390/char/con3270.c | 2 +-
> drivers/s390/char/sclp_tty.c | 6 +++---
> drivers/s390/char/sclp_vt220.c | 2 +-
...
> 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);
> }

For s390 part:

Acked-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>

Thanks!