Data are now typed as u8. Propagate this change to
tty_operations::write().
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
Cc: Richard Henderson <richard.henderson@xxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Vaibhav Gupta <vaibhavgupta40@xxxxxxxxx>
Cc: Jens Taprogge <jens.taprogge@xxxxxxxxxxxx>
Cc: Karsten Keil <isdn@xxxxxxxxxxxxxx>
Cc: Scott Branden <scott.branden@xxxxxxxxxxxx>
Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Paolo Abeni <pabeni@xxxxxxxxxx>
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: David Lin <dtwlin@xxxxxxxxx>
Cc: Johan Hovold <johan@xxxxxxxxxx>
Cc: Alex Elder <elder@xxxxxxxxxx>
Cc: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
Cc: Jiri Kosina <jikos@xxxxxxxxxx>
Cc: David Sterba <dsterba@xxxxxxxx>
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: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
Cc: Oliver Neukum <oneukum@xxxxxxxx>
Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx>
Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: Johan Hedberg <johan.hedberg@xxxxxxxxx>
Cc: Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>
---
arch/alpha/kernel/srmcons.c | 3 +--
arch/m68k/emu/nfcon.c | 3 +--
arch/um/drivers/line.c | 2 +-
arch/um/drivers/line.h | 3 +--
arch/xtensa/platforms/iss/console.c | 3 +--
drivers/char/ttyprintk.c | 5 ++---
drivers/ipack/devices/ipoctal.c | 6 ++----
drivers/isdn/capi/capi.c | 3 +--
drivers/misc/bcm-vk/bcm_vk_tty.c | 4 +---
drivers/mmc/core/sdio_uart.c | 3 +--
drivers/net/usb/hso.c | 3 +--
drivers/s390/char/con3215.c | 3 +--
drivers/s390/char/con3270.c | 3 +--
drivers/s390/char/sclp_tty.c | 2 +-
drivers/s390/char/sclp_vt220.c | 2 +-
drivers/staging/gdm724x/gdm_tty.c | 3 +--
drivers/staging/greybus/uart.c | 3 +--
drivers/tty/amiserial.c | 2 +-
drivers/tty/ehv_bytechan.c | 3 +--
drivers/tty/goldfish.c | 6 ++----
drivers/tty/hvc/hvc_console.c | 2 +-
drivers/tty/hvc/hvcs.c | 3 +--
drivers/tty/hvc/hvsi.c | 3 +--
drivers/tty/ipwireless/hardware.c | 2 +-
drivers/tty/ipwireless/tty.c | 3 +--
drivers/tty/mips_ejtag_fdc.c | 4 ++--
drivers/tty/moxa.c | 8 +++-----
drivers/tty/mxser.c | 2 +-
drivers/tty/n_gsm.c | 3 +--
drivers/tty/nozomi.c | 5 ++---
drivers/tty/pty.c | 2 +-
drivers/tty/serial/kgdb_nmi.c | 2 +-
drivers/tty/serial/serial_core.c | 3 +--
drivers/tty/synclink_gt.c | 7 +++----
drivers/tty/ttynull.c | 3 +--
drivers/tty/vcc.c | 3 +--
drivers/tty/vt/vt.c | 4 ++--
drivers/usb/class/cdc-acm.c | 3 +--
drivers/usb/gadget/function/u_serial.c | 2 +-
drivers/usb/host/xhci-dbgtty.c | 4 +---
drivers/usb/serial/usb-serial.c | 3 +--
include/linux/tty_driver.h | 3 +--
net/bluetooth/rfcomm/tty.c | 2 +-
43 files changed, 53 insertions(+), 88 deletions(-)
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 6dc952b0df4a..dea39008d93e 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -130,8 +130,7 @@ srmcons_do_write(struct tty_port *port, const char *buf, int count)
}
static int
-srmcons_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+srmcons_write(struct tty_struct *tty, const u8 *buf, int count)
{
unsigned long flags;
diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c
index 6fdc13610565..e7a21234b481 100644
--- a/arch/m68k/emu/nfcon.c
+++ b/arch/m68k/emu/nfcon.c
@@ -70,8 +70,7 @@ static void nfcon_tty_close(struct tty_struct *tty, struct file *filp)
{
}
-static int nfcon_tty_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int nfcon_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
nfputs(buf, count);
return count;
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 02b0befd6763..e5393b4ba9f8 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -184,7 +184,7 @@ void line_flush_chars(struct tty_struct *tty)
line_flush_buffer(tty);
}
-int line_write(struct tty_struct *tty, const unsigned char *buf, int len)
+int line_write(struct tty_struct *tty, const u8 *buf, int len)
{
struct line *line = tty->driver_data;
unsigned long flags;
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index f15be75a3bf3..8354024b6b35 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -64,8 +64,7 @@ extern void line_cleanup(struct tty_struct *tty);
extern void line_hangup(struct tty_struct *tty);
extern int line_setup(char **conf, unsigned nlines, char **def,
char *init, char *name);
-extern int line_write(struct tty_struct *tty, const unsigned char *buf,
- int len);
+extern int line_write(struct tty_struct *tty, const u8 *buf, int len);
extern unsigned int line_chars_in_buffer(struct tty_struct *tty);
extern void line_flush_buffer(struct tty_struct *tty);
extern void line_flush_chars(struct tty_struct *tty);
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index b40b73809dd8..182ec57e2d5c 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -52,8 +52,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
}
-static int rs_write(struct tty_struct * tty,
- const unsigned char *buf, int count)
+static int rs_write(struct tty_struct * tty, const u8 *buf, int count)
{
/* see drivers/char/serialX.c to reference original version */
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index ed45d04905c2..4f3dd93f1fd8 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -51,7 +51,7 @@ static void tpk_flush(void)
}
}
-static int tpk_printk(const unsigned char *buf, int count)
+static int tpk_printk(const u8 *buf, int count)
{
int i;
@@ -103,8 +103,7 @@ static void tpk_close(struct tty_struct *tty, struct file *filp)
/*
* TTY operations write function.
*/
-static int tpk_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int tpk_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct ttyprintk_port *tpkp = tty->driver_data;
unsigned long flags;
diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c
index a01c15812b70..c3cf086e7e36 100644
--- a/drivers/ipack/devices/ipoctal.c
+++ b/drivers/ipack/devices/ipoctal.c
@@ -437,8 +437,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
}
static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
- const unsigned char *buf,
- int count)
+ const u8 *buf, int count)
{
unsigned long flags;
int i;
@@ -459,8 +458,7 @@ static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
return i;
}
-static int ipoctal_write_tty(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int ipoctal_write_tty(struct tty_struct *tty, const u8 *buf, int count)
{
struct ipoctal_channel *channel = tty->driver_data;
unsigned int char_copied;
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 45a4043c5042..cf6daf79c1a2 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1077,8 +1077,7 @@ static void capinc_tty_close(struct tty_struct *tty, struct file *filp)
tty_port_close(&mp->port, tty, filp);
}
-static int capinc_tty_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int capinc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct capiminor *mp = tty->driver_data;
struct sk_buff *skb;
diff --git a/drivers/misc/bcm-vk/bcm_vk_tty.c b/drivers/misc/bcm-vk/bcm_vk_tty.c
index 6669625ba4c8..44851b607cce 100644
--- a/drivers/misc/bcm-vk/bcm_vk_tty.c
+++ b/drivers/misc/bcm-vk/bcm_vk_tty.c
@@ -186,9 +186,7 @@ static void bcm_vk_tty_doorbell(struct bcm_vk *vk, u32 db_val)
VK_BAR0_REGSEG_DB_BASE + VK_BAR0_REGSEG_TTY_DB_OFFSET);
}
-static int bcm_vk_tty_write(struct tty_struct *tty,
- const unsigned char *buffer,
- int count)
+static int bcm_vk_tty_write(struct tty_struct *tty, const u8 *buffer, int count)
{
int index;
struct bcm_vk *vk;
diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c
index aa659758563f..90d2fe00c0b9 100644
--- a/drivers/mmc/core/sdio_uart.c
+++ b/drivers/mmc/core/sdio_uart.c
@@ -760,8 +760,7 @@ static void sdio_uart_hangup(struct tty_struct *tty)
tty_port_hangup(&port->port);
}
-static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int sdio_uart_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct sdio_uart_port *port = tty->driver_data;
int ret;
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index ce1f6081d582..014a9d29bab5 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1322,8 +1322,7 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
}
/* close the requested serial port */
-static int hso_serial_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int hso_serial_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct hso_serial *serial = tty->driver_data;
int space, tx_bytes;
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index a1fef666c9b0..16b6f430dfd3 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -1021,8 +1021,7 @@ static unsigned int tty3215_write_room(struct tty_struct *tty)
/*
* String write routine for 3215 ttys
*/
-static int tty3215_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int tty3215_write(struct tty_struct *tty, const u8 *buf, int count)
{
handle_write(tty->driver_data, buf, count);
return count;
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index d9983550062d..123524bff734 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -1803,8 +1803,7 @@ static void tty3270_do_write(struct tty3270 *tp, struct tty_struct *tty,
/*
* String write routine for 3270 ttys
*/
-static int tty3270_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int tty3270_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct tty3270 *tp;
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 971fbb52740b..cc0f6a97124e 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -230,7 +230,7 @@ static int sclp_tty_write_string(const unsigned char *str, int count, int may_fa
* routine will return the number of characters actually accepted for writing.
*/
static int
-sclp_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
+sclp_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
if (sclp_tty_chars_count > 0) {
sclp_tty_write_string(sclp_tty_chars, sclp_tty_chars_count, 0);
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index a32f34a1c6d2..44974d801c1e 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -463,7 +463,7 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule,
* number of characters actually accepted for writing.
*/
static int
-sclp_vt220_write(struct tty_struct *tty, const unsigned char *buf, int count)
+sclp_vt220_write(struct tty_struct *tty, const u8 *buf, int count)
{
return __sclp_vt220_write(buf, count, 1, 0, 1);
}
diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c
index e1a84d6020f4..ae9978b73d9b 100644
--- a/drivers/staging/gdm724x/gdm_tty.c
+++ b/drivers/staging/gdm724x/gdm_tty.c
@@ -149,8 +149,7 @@ static void gdm_tty_send_complete(void *arg)
tty_port_tty_wakeup(&gdm->port);
}
-static int gdm_tty_write(struct tty_struct *tty, const unsigned char *buf,
- int len)
+static int gdm_tty_write(struct tty_struct *tty, const u8 *buf, int len)
{
struct gdm *gdm = tty->driver_data;
int remain = len;
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index 20a34599859f..97c7ddd0f53e 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -427,8 +427,7 @@ static void gb_tty_hangup(struct tty_struct *tty)
tty_port_hangup(&gb_tty->port);
}
-static int gb_tty_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int gb_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct gb_tty *gb_tty = tty->driver_data;
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index c06ad0a0744b..1dd8b86f4a32 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -741,7 +741,7 @@ static void rs_flush_chars(struct tty_struct *tty)
local_irq_restore(flags);
}
-static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count)
+static int rs_write(struct tty_struct * tty, const u8 *buf, int count)
{
int c, ret = 0;
struct serial_state *info = tty->driver_data;
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 8595483f4697..de36347e2145 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -466,8 +466,7 @@ static irqreturn_t ehv_bc_tty_tx_isr(int irq, void *data)
* ehv_bc_tty_write_room() will never lie, so the tty layer will never send us
* too much data.
*/
-static int ehv_bc_tty_write(struct tty_struct *ttys, const unsigned char *s,
- int count)
+static int ehv_bc_tty_write(struct tty_struct *ttys, const u8 *s, int count)
{
struct ehv_bc_data *bc = ttys->driver_data;
unsigned long flags;
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index d02de3f0326f..faa597ffbaf9 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -125,8 +125,7 @@ static void goldfish_tty_rw(struct goldfish_tty *qtty,
}
}
-static void goldfish_tty_do_write(int line, const char *buf,
- unsigned int count)
+static void goldfish_tty_do_write(int line, const u8 *buf, unsigned int count)
{
struct goldfish_tty *qtty = &goldfish_ttys[line];
unsigned long address = (unsigned long)(void *)buf;
@@ -186,8 +185,7 @@ static void goldfish_tty_hangup(struct tty_struct *tty)
tty_port_hangup(tty->port);
}
-static int goldfish_tty_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int goldfish_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
goldfish_tty_do_write(tty->index, buf, count);
return count;
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 10c10cfdf92a..4c60d15c7a6f 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -496,7 +496,7 @@ static int hvc_push(struct hvc_struct *hp)
return n;
}
-static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int hvc_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct hvc_struct *hp = tty->driver_data;
unsigned long flags;
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index 1de1a09bf82d..2465d61b4e76 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -1257,8 +1257,7 @@ static void hvcs_hangup(struct tty_struct * tty)
* tty_hangup will allow hvcs_write time to complete execution before it
* terminates our device.
*/
-static int hvcs_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int hvcs_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct hvcs_struct *hvcsd = tty->driver_data;
unsigned int unit_address;
diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c
index c1b8a4fd8b1e..46dd62df2442 100644
--- a/drivers/tty/hvc/hvsi.c
+++ b/drivers/tty/hvc/hvsi.c
@@ -904,8 +904,7 @@ static unsigned int hvsi_chars_in_buffer(struct tty_struct *tty)
return hp->n_outbuf;
}
-static int hvsi_write(struct tty_struct *tty,
- const unsigned char *source, int count)
+static int hvsi_write(struct tty_struct *tty, const u8 *source, int count)
{
struct hvsi_struct *hp = tty->driver_data;
unsigned long flags;
diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c
index f5d3e68f5750..001ec318a918 100644
--- a/drivers/tty/ipwireless/hardware.c
+++ b/drivers/tty/ipwireless/hardware.c
@@ -1292,7 +1292,7 @@ static void *alloc_ctrl_packet(int header_size,
}
int ipwireless_send_packet(struct ipw_hardware *hw, unsigned int channel_idx,
- const unsigned char *data, unsigned int length,
+ const u8 *data, unsigned int length,
void (*callback) (void *cb, unsigned int length),
void *callback_data)
{
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 9edd5ae17580..cd43208c523c 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -186,8 +186,7 @@ static void ipw_write_packet_sent_callback(void *callback_data,
tty->tx_bytes_queued -= packet_length;
}
-static int ipw_write(struct tty_struct *linux_tty,
- const unsigned char *buf, int count)
+static int ipw_write(struct tty_struct *linux_tty, const u8 *buf, int count)
{
struct ipw_tty *tty = linux_tty->driver_data;
int room, ret;
diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index e81701a66429..cf4ef0c38624 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -796,8 +796,8 @@ static void mips_ejtag_fdc_tty_hangup(struct tty_struct *tty)
tty_port_hangup(tty->port);
}
-static int mips_ejtag_fdc_tty_write(struct tty_struct *tty,
- const unsigned char *buf, int total)
+static int mips_ejtag_fdc_tty_write(struct tty_struct *tty, const u8 *buf,
+ int total)
{
int count, block;
struct mips_ejtag_fdc_tty_port *dport = tty->driver_data;
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index 42fa4c878b2e..d94cf1be651b 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -487,7 +487,7 @@ module_param(ttymajor, int, 0);
*/
static int moxa_open(struct tty_struct *, struct file *);
static void moxa_close(struct tty_struct *, struct file *);
-static int moxa_write(struct tty_struct *, const unsigned char *, int);
+static int moxa_write(struct tty_struct *, const u8 *, int);
static unsigned int moxa_write_room(struct tty_struct *);
static void moxa_flush_buffer(struct tty_struct *);
static unsigned int moxa_chars_in_buffer(struct tty_struct *);
@@ -1499,8 +1499,7 @@ static void moxa_close(struct tty_struct *tty, struct file *filp)
tty_port_close(&ch->port, tty, filp);
}
-static int moxa_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int moxa_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct moxa_port *ch = tty->driver_data;
unsigned long flags;
@@ -2164,8 +2163,7 @@ static int MoxaPortLineStatus(struct moxa_port *port)
return val;
}
-static int MoxaPortWriteData(struct tty_struct *tty,
- const unsigned char *buffer, int len)
+static int MoxaPortWriteData(struct tty_struct *tty, const u8 *buffer, int len)
{
struct moxa_port *port = tty->driver_data;
void __iomem *baseAddr, *ofsAddr, *ofs;
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 10855e66fda1..8b4b8493fed5 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -901,7 +901,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
tty_port_close(tty->port, tty, filp);
}
-static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int mxser_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct mxser_port *info = tty->driver_data;
unsigned long flags;
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index a3bd1fc52aed..d167e36873fe 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -4256,8 +4256,7 @@ static void gsmtty_hangup(struct tty_struct *tty)
gsm_dlci_begin_close(dlci);
}
-static int gsmtty_write(struct tty_struct *tty, const unsigned char *buf,
- int len)
+static int gsmtty_write(struct tty_struct *tty, const u8 *buf, int len)
{
int sent;
struct gsm_dlci *dlci = tty->driver_data;
diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index 0454c78deee6..b3756402f5d9 100644
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -1599,8 +1599,7 @@ static void ntty_hangup(struct tty_struct *tty)
* called when the userspace process writes to the tty (/dev/noz*).
* Data is inserted into a fifo, which is then read and transferred to the modem.
*/
-static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
- int count)
+static int ntty_write(struct tty_struct *tty, const u8 *buffer, int count)
{
int rval = -EINVAL;
struct nozomi *dc = get_dc_by_tty(tty);
@@ -1610,7 +1609,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
if (!dc || !port)
return -ENODEV;
- rval = kfifo_in(&port->fifo_ul, (unsigned char *)buffer, count);
+ rval = kfifo_in(&port->fifo_ul, buffer, count);
spin_lock_irqsave(&dc->spin_mutex, flags);
/* CTS is only valid on the modem channel */
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 2b1c8ab99dba..335f5744f320 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -108,7 +108,7 @@ static void pty_unthrottle(struct tty_struct *tty)
* the other side of the pty/tty pair.
*/
-static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
+static int pty_write(struct tty_struct *tty, const u8 *buf, int c)
{
struct tty_struct *to = tty->link;
diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c
index 55c3c9db7462..2a04d19d5ec0 100644
--- a/drivers/tty/serial/kgdb_nmi.c
+++ b/drivers/tty/serial/kgdb_nmi.c
@@ -304,7 +304,7 @@ static unsigned int kgdb_nmi_tty_write_room(struct tty_struct *tty)
return 2048;
}
-static int kgdb_nmi_tty_write(struct tty_struct *tty, const unchar *buf, int c)
+static int kgdb_nmi_tty_write(struct tty_struct *tty, const u8 *buf, int c)
{
int i;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index e31c9b6bd8ab..33df5b08d992 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -580,8 +580,7 @@ static void uart_flush_chars(struct tty_struct *tty)
uart_start(tty);
}
-static int uart_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int uart_write(struct tty_struct *tty, const u8 *buf, int count)
{
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 4c6366fe015c..c7cecea38ca8 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -431,7 +431,7 @@ static void tx_set_idle(struct slgt_info *info);
static unsigned int tbuf_bytes(struct slgt_info *info);
static void reset_tbufs(struct slgt_info *info);
static void tdma_reset(struct slgt_info *info);
-static bool tx_load(struct slgt_info *info, const char *buf, unsigned int count);
+static bool tx_load(struct slgt_info *info, const u8 *buf, unsigned int count);
static void get_gtsignals(struct slgt_info *info);
static void set_gtsignals(struct slgt_info *info);
@@ -745,8 +745,7 @@ static void update_tx_timer(struct slgt_info *info)
}
}
-static int write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int write(struct tty_struct *tty, const u8 *buf, int count)
{
int ret = 0;
struct slgt_info *info = tty->driver_data;
@@ -4767,7 +4766,7 @@ static unsigned int tbuf_bytes(struct slgt_info *info)
* load data into transmit DMA buffer ring and start transmitter if needed
* return true if data accepted, otherwise false (buffers full)
*/
-static bool tx_load(struct slgt_info *info, const char *buf, unsigned int size)
+static bool tx_load(struct slgt_info *info, const u8 *buf, unsigned int size)
{
unsigned short count;
unsigned int i;
diff --git a/drivers/tty/ttynull.c b/drivers/tty/ttynull.c
index 1d4438472442..6b74ebaa0f2d 100644
--- a/drivers/tty/ttynull.c
+++ b/drivers/tty/ttynull.c
@@ -29,8 +29,7 @@ static void ttynull_hangup(struct tty_struct *tty)
tty_port_hangup(&ttynull_port);
}
-static int ttynull_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int ttynull_write(struct tty_struct *tty, const u8 *buf, int count)
{
return count;
}
diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c
index 34ba6e54789a..c223879039b8 100644
--- a/drivers/tty/vcc.c
+++ b/drivers/tty/vcc.c
@@ -804,8 +804,7 @@ static void vcc_hangup(struct tty_struct *tty)
tty_port_hangup(tty->port);
}
-static int vcc_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int vcc_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct vcc_port *port;
struct vio_vcc *pkt;
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index cf77011a8f4e..2f28612aee91 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2845,7 +2845,7 @@ static int vc_con_write_normal(struct vc_data *vc, int tc, int c,
}
/* acquires console_lock */
-static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int do_con_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct vc_draw_region draw = {
.x = -1,
@@ -3238,7 +3238,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
* /dev/ttyN handling
*/
-static int con_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int con_write(struct tty_struct *tty, const u8 *buf, int count)
{
int retval;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 11da5fb284d0..913b07b30d33 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -789,8 +789,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
tty_port_close(&acm->port, tty, filp);
}
-static int acm_tty_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct acm *acm = tty->driver_data;
int stat;
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 1115396b46a0..1d08a1d8d3cd 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -734,7 +734,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
spin_unlock_irq(&port->port_lock);
}
-static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int gs_write(struct tty_struct *tty, const u8 *buf, int count)
{
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 d3acc0829ee5..f5f2d0e12e69 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -208,9 +208,7 @@ static void dbc_tty_close(struct tty_struct *tty, struct file *file)
tty_port_close(&port->port, tty, file);
}
-static int dbc_tty_write(struct tty_struct *tty,
- const unsigned char *buf,
- int count)
+static int dbc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7b4805c1004d..51f738ea3f77 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -361,8 +361,7 @@ static void serial_cleanup(struct tty_struct *tty)
module_put(owner);
}
-static int serial_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static int serial_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct usb_serial_port *port = tty->driver_data;
int retval = -ENODEV;
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index e00034118c7b..a7bd8060ac96 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -356,8 +356,7 @@ struct tty_operations {
void (*close)(struct tty_struct * tty, struct file * filp);
void (*shutdown)(struct tty_struct *tty);
void (*cleanup)(struct tty_struct *tty);
- int (*write)(struct tty_struct * tty,
- const unsigned char *buf, int count);
+ int (*write)(struct tty_struct *tty, const u8 *buf, int count);
int (*put_char)(struct tty_struct *tty, unsigned char ch);
void (*flush_chars)(struct tty_struct *tty);
unsigned int (*write_room)(struct tty_struct *tty);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index d73eec146529..3b5f8404dc84 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -779,7 +779,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
tty_port_close(&dev->port, tty, filp);
}
-static int rfcomm_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
+static int rfcomm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
{
struct rfcomm_dev *dev = tty->driver_data;
struct rfcomm_dlc *dlc = dev->dlc;
--
2.41.0
