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

From: Jiri Slaby (SUSE)
Date: Thu Aug 10 2023 - 05:18:21 EST


Data are now typed as u8. Propagate this change to
tty_operations::put_char().

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
Cc: Karsten Keil <isdn@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx>
---
arch/m68k/emu/nfcon.c | 4 ++--
drivers/isdn/capi/capi.c | 2 +-
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 +-
drivers/tty/amiserial.c | 2 +-
drivers/tty/mxser.c | 2 +-
drivers/tty/serial/serial_core.c | 2 +-
drivers/tty/synclink_gt.c | 4 ++--
drivers/tty/vt/vt.c | 2 +-
drivers/usb/gadget/function/u_serial.c | 2 +-
drivers/usb/host/xhci-dbgtty.c | 2 +-
include/linux/tty_driver.h | 2 +-
14 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c
index e7a21234b481..87398f834e36 100644
--- a/arch/m68k/emu/nfcon.c
+++ b/arch/m68k/emu/nfcon.c
@@ -76,9 +76,9 @@ static int nfcon_tty_write(struct tty_struct *tty, const u8 *buf, int count)
return count;
}

-static int nfcon_tty_put_char(struct tty_struct *tty, unsigned char ch)
+static int nfcon_tty_put_char(struct tty_struct *tty, u8 ch)
{
- char temp[2] = { ch, 0 };
+ u8 temp[2] = { ch, 0 };

nf_call(stderr_id, virt_to_phys(temp));
return 1;
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index cf6daf79c1a2..2f38e1cfe97a 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1111,7 +1111,7 @@ static int capinc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
return count;
}

-static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
+static int capinc_tty_put_char(struct tty_struct *tty, u8 ch)
{
struct capiminor *mp = tty->driver_data;
bool invoke_send = false;
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);
}
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 1dd8b86f4a32..91cf294ec8c1 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -696,7 +696,7 @@ static void change_speed(struct tty_struct *tty, struct serial_state *info,
local_irq_restore(flags);
}

-static int rs_put_char(struct tty_struct *tty, unsigned char ch)
+static int rs_put_char(struct tty_struct *tty, u8 ch)
{
struct serial_state *info;
unsigned long flags;
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 8b4b8493fed5..a5dfd08d4ea2 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -920,7 +920,7 @@ static int mxser_write(struct tty_struct *tty, const u8 *buf, int count)
return written;
}

-static int mxser_put_char(struct tty_struct *tty, unsigned char ch)
+static int mxser_put_char(struct tty_struct *tty, u8 ch)
{
struct mxser_port *info = tty->driver_data;
unsigned long flags;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 33df5b08d992..d5b682ff20b3 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -551,7 +551,7 @@ uart_get_divisor(struct uart_port *port, unsigned int baud)
}
EXPORT_SYMBOL(uart_get_divisor);

-static int uart_put_char(struct tty_struct *tty, unsigned char c)
+static int uart_put_char(struct tty_struct *tty, u8 c)
{
struct uart_state *state = tty->driver_data;
struct uart_port *port;
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index c7cecea38ca8..0264e9f7699c 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -780,7 +780,7 @@ static int write(struct tty_struct *tty, const u8 *buf, int count)
return ret;
}

-static int put_char(struct tty_struct *tty, unsigned char ch)
+static int put_char(struct tty_struct *tty, u8 ch)
{
struct slgt_info *info = tty->driver_data;
unsigned long flags;
@@ -788,7 +788,7 @@ static int put_char(struct tty_struct *tty, unsigned char ch)

if (sanity_check(info, tty->name, "put_char"))
return 0;
- DBGINFO(("%s put_char(%d)\n", info->device_name, ch));
+ DBGINFO(("%s put_char(%u)\n", info->device_name, ch));
if (!info->tx_buf)
return 0;
spin_lock_irqsave(&info->lock,flags);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 2f28612aee91..ea7c20d66acb 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3248,7 +3248,7 @@ static int con_write(struct tty_struct *tty, const u8 *buf, int count)
return retval;
}

-static int con_put_char(struct tty_struct *tty, unsigned char ch)
+static int con_put_char(struct tty_struct *tty, u8 ch)
{
return do_con_write(tty, &ch, 1);
}
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 1d08a1d8d3cd..3e6b750aa4fc 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -753,7 +753,7 @@ static int gs_write(struct tty_struct *tty, const u8 *buf, int count)
return count;
}

-static int gs_put_char(struct tty_struct *tty, unsigned char ch)
+static int gs_put_char(struct tty_struct *tty, u8 ch)
{
struct gs_port *port = tty->driver_data;
unsigned long flags;
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index f5f2d0e12e69..5b82bdd82ba9 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -222,7 +222,7 @@ static int dbc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
return count;
}

-static int dbc_tty_put_char(struct tty_struct *tty, unsigned char ch)
+static int dbc_tty_put_char(struct tty_struct *tty, u8 ch)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index a7bd8060ac96..c5299d952e59 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -357,7 +357,7 @@ struct tty_operations {
void (*shutdown)(struct tty_struct *tty);
void (*cleanup)(struct tty_struct *tty);
int (*write)(struct tty_struct *tty, const u8 *buf, int count);
- int (*put_char)(struct tty_struct *tty, unsigned char ch);
+ int (*put_char)(struct tty_struct *tty, u8 ch);
void (*flush_chars)(struct tty_struct *tty);
unsigned int (*write_room)(struct tty_struct *tty);
unsigned int (*chars_in_buffer)(struct tty_struct *tty);
--
2.41.0