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serial: Make ->set_termios() old ktermios const

Browse source 
There should be no reason to adjust old ktermios which is going to get
discarded anyway.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220816115739.10928-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-08-16 14:57:37 +03:00 • committed by Greg Kroah-Hartman
parent 8b7d2d95cf
commit bec5b814d4
82 changed files with 117 additions and 112 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/tty/serial/21285.c
View file

@ -243,7 +243,7 @@ static void serial21285_shutdown(struct uart_port *port)
static void
serial21285_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, quot, h_lcr, b;

2
drivers/tty/serial/8250/8250_bcm7271.c
View file

@ -755,7 +755,7 @@ static void set_clock_mux(struct uart_port *up, struct brcmuart_priv *priv,
static void brcmstb_set_termios(struct uart_port *up,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_8250_port *p8250 = up_to_u8250p(up);
struct brcmuart_priv *priv = up->private_data;

2
drivers/tty/serial/8250/8250_dw.c
View file

@ -350,7 +350,7 @@ dw8250_do_pm(struct uart_port *port, unsigned int state, unsigned int old)
}
static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long newrate = tty_termios_baud_rate(termios) * 16;
struct dw8250_data *d = to_dw8250_data(p->private_data);

3
drivers/tty/serial/8250/8250_dwlib.c
View file

@ -92,7 +92,8 @@ static void dw8250_set_divisor(struct uart_port *p, unsigned int baud,
serial8250_do_set_divisor(p, baud, quot, quot_frac);
}
void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, struct ktermios *old)
void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios,
const struct ktermios *old)
{
p->status &= ~UPSTAT_AUTOCTS;
if (termios->c_cflag & CRTSCTS)

2
drivers/tty/serial/8250/8250_dwlib.h
View file

@ -47,7 +47,7 @@ struct dw8250_data {
unsigned int uart_16550_compatible:1;
};
void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, struct ktermios *old);
void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, const struct ktermios *old);
void dw8250_setup_port(struct uart_port *p);
static inline struct dw8250_data *to_dw8250_data(struct dw8250_port_data *data)

2
drivers/tty/serial/8250/8250_fintek.c
View file

@ -278,7 +278,7 @@ static void fintek_8250_set_max_fifo(struct fintek_8250 *pdata)
static void fintek_8250_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct fintek_8250 *pdata = port->private_data;
unsigned int baud = tty_termios_baud_rate(termios);

2
drivers/tty/serial/8250/8250_lpss.c
View file

@ -70,7 +70,7 @@ static inline struct lpss8250 *to_lpss8250(struct dw8250_port_data *data)
}
static void byt_set_termios(struct uart_port *p, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud = tty_termios_baud_rate(termios);
struct lpss8250 *lpss = to_lpss8250(p->private_data);

5
drivers/tty/serial/8250/8250_mid.c
View file

@ -206,9 +206,8 @@ static void dnv_exit(struct mid8250 *mid)
/*****************************************************************************/
static void mid8250_set_termios(struct uart_port *p,
struct ktermios *termios,
struct ktermios *old)
static void mid8250_set_termios(struct uart_port *p, struct ktermios *termios,
const struct ktermios *old)
{
unsigned int baud = tty_termios_baud_rate(termios);
struct mid8250 *mid = p->private_data;

2
drivers/tty/serial/8250/8250_mtk.c
View file

@ -291,7 +291,7 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
static void
mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
static const unsigned short fraction_L_mapping[] = {
0, 1, 0x5, 0x15, 0x55, 0x57, 0x57, 0x77, 0x7F, 0xFF, 0xFF

2
drivers/tty/serial/8250/8250_omap.c
View file

@ -350,7 +350,7 @@ static void omap8250_restore_regs(struct uart_8250_port *up)
*/
static void omap_8250_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_8250_port *up = up_to_u8250p(port);
struct omap8250_priv *priv = up->port.private_data;

6
drivers/tty/serial/8250/8250_port.c
View file

@ -2653,7 +2653,7 @@ static void serial8250_set_divisor(struct uart_port *port, unsigned int baud,
static unsigned int serial8250_get_baud_rate(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int tolerance = port->uartclk / 100;
unsigned int min;
@ -2739,7 +2739,7 @@ EXPORT_SYMBOL_GPL(serial8250_update_uartclk);
void
serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_8250_port *up = up_to_u8250p(port);
unsigned char cval;
@ -2877,7 +2877,7 @@ EXPORT_SYMBOL(serial8250_do_set_termios);
static void
serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
if (port->set_termios)
port->set_termios(port, termios, old);

4
drivers/tty/serial/altera_jtaguart.c
View file

@ -106,8 +106,8 @@ static void altera_jtaguart_break_ctl(struct uart_port *port, int break_state)
}
static void altera_jtaguart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
/* Just copy the old termios settings back */
if (old)

2
drivers/tty/serial/altera_uart.c
View file

@ -175,7 +175,7 @@ static void altera_uart_break_ctl(struct uart_port *port, int break_state)
static void altera_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, baudclk;

2
drivers/tty/serial/amba-pl010.c
View file

@ -370,7 +370,7 @@ static void pl010_shutdown(struct uart_port *port)
static void
pl010_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int lcr_h, old_cr;
unsigned long flags;

4
drivers/tty/serial/amba-pl011.c
View file

@ -2030,7 +2030,7 @@ pl011_setup_status_masks(struct uart_port *port, struct ktermios *termios)
static void
pl011_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_amba_port *uap =
container_of(port, struct uart_amba_port, port);
@ -2162,7 +2162,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
static void
sbsa_uart_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_amba_port *uap =
container_of(port, struct uart_amba_port, port);

2
drivers/tty/serial/apbuart.c
View file

@ -228,7 +228,7 @@ static void apbuart_shutdown(struct uart_port *port)
}
static void apbuart_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios, const struct ktermios *old)
{
unsigned int cr;
unsigned long flags;

2
drivers/tty/serial/ar933x_uart.c
View file

@ -283,7 +283,7 @@ static void ar933x_uart_get_scale_step(unsigned int clk,
static void ar933x_uart_set_termios(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
struct ar933x_uart_port *up =
container_of(port, struct ar933x_uart_port, port);

2
drivers/tty/serial/arc_uart.c
View file

@ -351,7 +351,7 @@ static void arc_serial_shutdown(struct uart_port *port)
static void
arc_serial_set_termios(struct uart_port *port, struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
struct arc_uart_port *uart = to_arc_port(port);
unsigned int baud, uartl, uarth, hw_val;

5
drivers/tty/serial/atmel_serial.c
View file

@ -2124,8 +2124,9 @@ static void atmel_serial_pm(struct uart_port *port, unsigned int state,
/*
* Change the port parameters
*/
static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
static void atmel_set_termios(struct uart_port *port,
struct ktermios *termios,
const struct ktermios *old)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
unsigned long flags;

5
drivers/tty/serial/bcm63xx_uart.c
View file

@ -492,9 +492,8 @@ static void bcm_uart_shutdown(struct uart_port *port)
/*
* serial core request to change current uart setting
*/
static void bcm_uart_set_termios(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
static void bcm_uart_set_termios(struct uart_port *port, struct ktermios *new,
const struct ktermios *old)
{
unsigned int ctl, baud, quot, ier;
unsigned long flags;

2
drivers/tty/serial/clps711x.c
View file

@ -251,7 +251,7 @@ static void uart_clps711x_shutdown(struct uart_port *port)
static void uart_clps711x_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
u32 ubrlcr;
unsigned int baud, quot;

2
drivers/tty/serial/cpm_uart/cpm_uart_core.c
View file

@ -484,7 +484,7 @@ static void cpm_uart_shutdown(struct uart_port *port)
static void cpm_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
int baud;
unsigned long flags;

2
drivers/tty/serial/digicolor-usart.c
View file

@ -287,7 +287,7 @@ static void digicolor_uart_shutdown(struct uart_port *port)
static void digicolor_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud, divisor;
u8 config = 0;

2
drivers/tty/serial/dz.c
View file

@ -559,7 +559,7 @@ static void dz_reset(struct dz_port *dport)
}
static void dz_set_termios(struct uart_port *uport, struct ktermios *termios,
struct ktermios *old_termios)
const struct ktermios *old_termios)
{
struct dz_port *dport = to_dport(uport);
unsigned long flags;

2
drivers/tty/serial/fsl_linflexuart.c
View file

@ -401,7 +401,7 @@ static void linflex_shutdown(struct uart_port *port)
static void
linflex_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned long cr, old_cr, cr1;

4
drivers/tty/serial/fsl_lpuart.c
View file

@ -1833,7 +1833,7 @@ static void lpuart32_shutdown(struct uart_port *port)
static void
lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
unsigned long flags;
@ -2073,7 +2073,7 @@ static void lpuart32_serial_setbrg(struct lpuart_port *sport,
static void
lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
unsigned long flags;

5
drivers/tty/serial/icom.c
View file

@ -1351,9 +1351,8 @@ static void icom_close(struct uart_port *port)
kref_put(&icom_port->adapter->kref, icom_kref_release);
}
static void icom_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old_termios)
static void icom_set_termios(struct uart_port *port, struct ktermios *termios,
const struct ktermios *old_termios)
{
struct icom_port *icom_port = to_icom_port(port);
int baud;

2
drivers/tty/serial/imx.c
View file

@ -1620,7 +1620,7 @@ static void imx_uart_flush_buffer(struct uart_port *port)
static void
imx_uart_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct imx_port *sport = (struct imx_port *)port;
unsigned long flags;

2
drivers/tty/serial/ip22zilog.c
View file

@ -873,7 +873,7 @@ ip22zilog_convert_to_zs(struct uart_ip22zilog_port *up, unsigned int cflag,
/* The port lock is not held. */
static void
ip22zilog_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_ip22zilog_port *up =
container_of(port, struct uart_ip22zilog_port, port);

4
drivers/tty/serial/jsm/jsm_tty.c
View file

@ -300,8 +300,8 @@ static void jsm_tty_close(struct uart_port *port)
}
static void jsm_tty_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old_termios)
struct ktermios *termios,
const struct ktermios *old_termios)
{
unsigned long lock_flags;
struct jsm_channel *channel =

4
drivers/tty/serial/lantiq.c
View file

@ -405,8 +405,8 @@ lqasc_shutdown(struct uart_port *port)
}
static void
lqasc_set_termios(struct uart_port *port,
struct ktermios *new, struct ktermios *old)
lqasc_set_termios(struct uart_port *port, struct ktermios *new,
const struct ktermios *old)
{
unsigned int cflag;
unsigned int iflag;

2
drivers/tty/serial/liteuart.c
View file

@ -178,7 +178,7 @@ static void liteuart_shutdown(struct uart_port *port)
}
static void liteuart_set_termios(struct uart_port *port, struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud;
unsigned long flags;

2
drivers/tty/serial/lpc32xx_hs.c
View file

@ -493,7 +493,7 @@ static void serial_lpc32xx_shutdown(struct uart_port *port)
/* port->lock is not held. */
static void serial_lpc32xx_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, quot;

2
drivers/tty/serial/max3100.c
View file

@ -418,7 +418,7 @@ static void max3100_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void
max3100_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct max3100_port *s = container_of(port,
struct max3100_port,

2
drivers/tty/serial/max310x.c
View file

@ -906,7 +906,7 @@ static void max310x_break_ctl(struct uart_port *port, int break_state)
static void max310x_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int lcr = 0, flow = 0;
int baud;

2
drivers/tty/serial/mcf.c
View file

@ -192,7 +192,7 @@ static void mcf_shutdown(struct uart_port *port)
/****************************************************************************/
static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, baudclk;

4
drivers/tty/serial/men_z135_uart.c
View file

@ -646,8 +646,8 @@ static void men_z135_shutdown(struct uart_port *port)
}
static void men_z135_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
struct men_z135_port *uart = to_men_z135(port);
unsigned int baud;

2
drivers/tty/serial/meson_uart.c
View file

@ -335,7 +335,7 @@ static void meson_uart_change_speed(struct uart_port *port, unsigned long baud)
static void meson_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int cflags, iflags, baud;
unsigned long flags;

3
drivers/tty/serial/milbeaut_usio.c
View file

@ -298,7 +298,8 @@ static void mlb_usio_shutdown(struct uart_port *port)
}
static void mlb_usio_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
unsigned int escr, smr = MLB_USIO_SMR_SOE;
unsigned long flags, baud, quot;

12
drivers/tty/serial/mpc52xx_uart.c
View file

@ -101,7 +101,7 @@ struct psc_ops {
void (*cw_restore_ints)(struct uart_port *port);
unsigned int (*set_baudrate)(struct uart_port *port,
struct ktermios *new,
struct ktermios *old);
const struct ktermios *old);
int (*clock_alloc)(struct uart_port *port);
void (*clock_relse)(struct uart_port *port);
int (*clock)(struct uart_port *port, int enable);
@ -287,7 +287,7 @@ static void mpc52xx_psc_cw_restore_ints(struct uart_port *port)
static unsigned int mpc5200_psc_set_baudrate(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud;
unsigned int divisor;
@ -305,7 +305,7 @@ static unsigned int mpc5200_psc_set_baudrate(struct uart_port *port,
static unsigned int mpc5200b_psc_set_baudrate(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud;
unsigned int divisor;
@ -533,7 +533,7 @@ static void mpc512x_psc_cw_restore_ints(struct uart_port *port)
static unsigned int mpc512x_psc_set_baudrate(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud;
unsigned int divisor;
@ -880,7 +880,7 @@ static inline void mpc5125_set_divisor(struct mpc5125_psc __iomem *psc,
static unsigned int mpc5125_psc_set_baudrate(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud;
unsigned int divisor;
@ -1167,7 +1167,7 @@ mpc52xx_uart_shutdown(struct uart_port *port)
static void
mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned char mr1, mr2;

2
drivers/tty/serial/mps2-uart.c
View file

@ -358,7 +358,7 @@ static void mps2_uart_shutdown(struct uart_port *port)
static void
mps2_uart_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, bauddiv;

2
drivers/tty/serial/msm_serial.c
View file

@ -1263,7 +1263,7 @@ static void msm_shutdown(struct uart_port *port)
}
static void msm_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct msm_port *msm_port = to_msm_port(port);
struct msm_dma *dma = &msm_port->rx_dma;

2
drivers/tty/serial/mux.c
View file

@ -289,7 +289,7 @@ static void mux_shutdown(struct uart_port *port)
*/
static void
mux_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
}

2
drivers/tty/serial/mvebu-uart.c
View file

@ -564,7 +564,7 @@ static unsigned int mvebu_uart_baud_rate_set(struct uart_port *port, unsigned in
static void mvebu_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned long flags;
unsigned int baud, min_baud, max_baud;

2
drivers/tty/serial/mxs-auart.c
View file

@ -959,7 +959,7 @@ err_out:
#define CTS_AT_AUART() !mctrl_gpio_to_gpiod(s->gpios, UART_GPIO_CTS)
static void mxs_auart_settermios(struct uart_port *u,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct mxs_auart_port *s = to_auart_port(u);
u32 ctrl, ctrl2, div;

2
drivers/tty/serial/omap-serial.c
View file

@ -802,7 +802,7 @@ static void serial_omap_uart_qos_work(struct work_struct *work)
static void
serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_omap_port *up = to_uart_omap_port(port);
unsigned char cval = 0;

2
drivers/tty/serial/owl-uart.c
View file

@ -328,7 +328,7 @@ static void owl_uart_change_baudrate(struct owl_uart_port *owl_port,
static void owl_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct owl_uart_port *owl_port = to_owl_uart_port(port);
unsigned int baud;

3
drivers/tty/serial/pch_uart.c
View file

@ -1301,7 +1301,8 @@ static void pch_uart_shutdown(struct uart_port *port)
*bits. Update read_status_mask and ignore_status_mask to indicate
*the types of events we are interested in receiving. */
static void pch_uart_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
int rtn;
unsigned int baud, parity, bits, stb;

2
drivers/tty/serial/pic32_uart.c
View file

@ -599,7 +599,7 @@ static void pic32_uart_shutdown(struct uart_port *port)
/* serial core request to change current uart setting */
static void pic32_uart_set_termios(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
struct pic32_sport *sport = to_pic32_sport(port);
unsigned int baud;

4
drivers/tty/serial/pmac_zilog.c
View file

@ -1202,7 +1202,7 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_pmac_port *uap = to_pmz(port);
unsigned long baud;
@ -1244,7 +1244,7 @@ static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,
/* The port lock is not held. */
static void pmz_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_pmac_port *uap = to_pmz(port);
unsigned long flags;

2
drivers/tty/serial/pxa.c
View file

@ -423,7 +423,7 @@ static void serial_pxa_shutdown(struct uart_port *port)
static void
serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_pxa_port *up = (struct uart_pxa_port *)port;
unsigned char cval, fcr = 0;

3
drivers/tty/serial/qcom_geni_serial.c
View file

@ -1005,7 +1005,8 @@ static unsigned long get_clk_div_rate(struct clk *clk, unsigned int baud,
}
static void qcom_geni_serial_set_termios(struct uart_port *uport,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
unsigned int baud;
u32 bits_per_char;

2
drivers/tty/serial/rda-uart.c
View file

@ -238,7 +238,7 @@ static void rda_uart_change_baudrate(struct rda_uart_port *rda_port,
static void rda_uart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct rda_uart_port *rda_port = to_rda_uart_port(port);
unsigned long flags;

5
drivers/tty/serial/rp2.c
View file

@ -370,9 +370,8 @@ static void __rp2_uart_set_termios(struct rp2_uart_port *up,
up->ucode + RP2_RX_SWFLOW);
}
static void rp2_uart_set_termios(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
static void rp2_uart_set_termios(struct uart_port *port, struct ktermios *new,
const struct ktermios *old)
{
struct rp2_uart_port *up = port_to_up(port);
unsigned long flags;

2
drivers/tty/serial/sa1100.c
View file

@ -409,7 +409,7 @@ static void sa1100_shutdown(struct uart_port *port)
static void
sa1100_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct sa1100_port *sport =
container_of(port, struct sa1100_port, port);

2
drivers/tty/serial/samsung_tty.c
View file

@ -1530,7 +1530,7 @@ static const u16 udivslot_table[16] = {
static void s3c24xx_serial_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
const struct s3c2410_uartcfg *cfg = s3c24xx_port_to_cfg(port);
struct s3c24xx_uart_port *ourport = to_ourport(port);

2
drivers/tty/serial/sb1250-duart.c
View file

@ -531,7 +531,7 @@ static void sbd_init_port(struct sbd_port *sport)
}
static void sbd_set_termios(struct uart_port *uport, struct ktermios *termios,
struct ktermios *old_termios)
const struct ktermios *old_termios)
{
struct sbd_port *sport = to_sport(uport);
unsigned int mode1 = 0, mode2 = 0, aux = 0;

2
drivers/tty/serial/sc16is7xx.c
View file

@ -1015,7 +1015,7 @@ static void sc16is7xx_break_ctl(struct uart_port *port, int break_state)
static void sc16is7xx_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);

3
drivers/tty/serial/sccnxp.c
View file

@ -636,7 +636,8 @@ static void sccnxp_break_ctl(struct uart_port *port, int break_state)
}
static void sccnxp_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
struct sccnxp_port *s = dev_get_drvdata(port->dev);
unsigned long flags;

3
drivers/tty/serial/serial-tegra.c
View file

@ -1271,7 +1271,8 @@ static void tegra_uart_enable_ms(struct uart_port *u)
}
static void tegra_uart_set_termios(struct uart_port *u,
struct ktermios *termios, struct ktermios *oldtermios)
struct ktermios *termios,
const struct ktermios *oldtermios)
{
struct tegra_uart_port *tup = to_tegra_uport(u);
unsigned int baud;

2
drivers/tty/serial/serial_core.c
View file

@ -380,7 +380,7 @@ EXPORT_SYMBOL(uart_update_timeout);
*/
unsigned int
uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
struct ktermios *old, unsigned int min, unsigned int max)
const struct ktermios *old, unsigned int min, unsigned int max)
{
unsigned int try;
unsigned int baud;

2
drivers/tty/serial/serial_txx9.c
View file

@ -594,7 +594,7 @@ static void serial_txx9_shutdown(struct uart_port *up)
static void
serial_txx9_set_termios(struct uart_port *up, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int cval, fcr = 0;
unsigned long flags;

2
drivers/tty/serial/sh-sci.c
View file

@ -2367,7 +2367,7 @@ static void sci_reset(struct uart_port *port)
}
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud, smr_val = SCSMR_ASYNC, scr_val = 0, i, bits;
unsigned int brr = 255, cks = 0, srr = 15, dl = 0, sccks = 0;

2
drivers/tty/serial/sifive.c
View file

@ -646,7 +646,7 @@ static int sifive_serial_clk_notifier(struct notifier_block *nb,
static void sifive_serial_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct sifive_serial_port *ssp = port_to_sifive_serial_port(port);
unsigned long flags;

5
drivers/tty/serial/sprd_serial.c
View file

@ -771,9 +771,8 @@ static void sprd_shutdown(struct uart_port *port)
devm_free_irq(port->dev, port->irq, port);
}
static void sprd_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
static void sprd_set_termios(struct uart_port *port, struct ktermios *termios,
const struct ktermios *old)
{
unsigned int baud, quot;
unsigned int lcr = 0, fc;

2
drivers/tty/serial/st-asc.c
View file

@ -500,7 +500,7 @@ static void asc_pm(struct uart_port *port, unsigned int state,
}
static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct asc_port *ascport = to_asc_port(port);
struct gpio_desc *gpiod;

2
drivers/tty/serial/stm32-usart.c
View file

@ -1089,7 +1089,7 @@ static void stm32_usart_shutdown(struct uart_port *port)
static void stm32_usart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct stm32_port *stm32_port = to_stm32_port(port);
const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;

2
drivers/tty/serial/sunhv.c
View file

@ -323,7 +323,7 @@ static void sunhv_shutdown(struct uart_port *port)
/* port->lock is not held. */
static void sunhv_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud = uart_get_baud_rate(port, termios, old, 0, 4000000);
unsigned int quot = uart_get_divisor(port, baud);

2
drivers/tty/serial/sunplus-uart.c
View file

@ -333,7 +333,7 @@ static void sunplus_shutdown(struct uart_port *port)
static void sunplus_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *oldtermios)
const struct ktermios *oldtermios)
{
u32 ext, div, div_l, div_h, baud, lcr;
u32 clk = port->uartclk;

2
drivers/tty/serial/sunsab.c
View file

@ -776,7 +776,7 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla
/* port->lock is not held. */
static void sunsab_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_sunsab_port *up =
container_of(port, struct uart_sunsab_port, port);

2
drivers/tty/serial/sunsu.c
View file

@ -897,7 +897,7 @@ sunsu_change_speed(struct uart_port *port, unsigned int cflag,
static void
sunsu_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
unsigned int baud, quot;

2
drivers/tty/serial/sunzilog.c
View file

@ -938,7 +938,7 @@ sunzilog_convert_to_zs(struct uart_sunzilog_port *up, unsigned int cflag,
/* The port lock is not held. */
static void
sunzilog_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct uart_sunzilog_port *up =
container_of(port, struct uart_sunzilog_port, port);

2
drivers/tty/serial/tegra-tcu.c
View file

@ -126,7 +126,7 @@ static void tegra_tcu_uart_shutdown(struct uart_port *port)
static void tegra_tcu_uart_set_termios(struct uart_port *port,
struct ktermios *new,
struct ktermios *old)
const struct ktermios *old)
{
}

4
drivers/tty/serial/timbuart.c
View file

@ -275,8 +275,8 @@ static int get_bindex(int baud)
}
static void timbuart_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
unsigned int baud;
short bindex;

5
drivers/tty/serial/uartlite.c
View file

@ -314,8 +314,9 @@ static void ulite_shutdown(struct uart_port *port)
clk_disable(pdata->clk);
}
static void ulite_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
static void ulite_set_termios(struct uart_port *port,
struct ktermios *termios,
const struct ktermios *old)
{
unsigned long flags;
struct uartlite_data *pdata = port->private_data;

3
drivers/tty/serial/ucc_uart.c
View file

@ -843,7 +843,8 @@ static void qe_uart_shutdown(struct uart_port *port)
* Set the serial port parameters.
*/
static void qe_uart_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
struct uart_qe_port *qe_port =
container_of(port, struct uart_qe_port, port);

2
drivers/tty/serial/vt8500_serial.c
View file

@ -355,7 +355,7 @@ static void vt8500_shutdown(struct uart_port *port)
static void vt8500_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old)
const struct ktermios *old)
{
struct vt8500_port *vt8500_port =
container_of(port, struct vt8500_port, uart);

3
drivers/tty/serial/xilinx_uartps.c
View file

@ -677,7 +677,8 @@ static void cdns_uart_break_ctl(struct uart_port *port, int ctl)
* @old: Values of the previously saved termios structure
*/
static void cdns_uart_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
struct ktermios *termios,
const struct ktermios *old)
{
u32 cval = 0;
unsigned int baud, minbaud, maxbaud;

2
drivers/tty/serial/zs.c
View file

@ -846,7 +846,7 @@ static void zs_reset(struct zs_port *zport)
}
static void zs_set_termios(struct uart_port *uport, struct ktermios *termios,
struct ktermios *old_termios)
const struct ktermios *old_termios)
{
struct zs_port *zport = to_zport(uport);
struct zs_scc *scc = zport->scc;

2
drivers/tty/tty_ioctl.c
View file

@ -219,7 +219,7 @@ EXPORT_SYMBOL(tty_wait_until_sent);
* Termios Helper Methods
*/
static void unset_locked_termios(struct tty_struct *tty, struct ktermios *old)
static void unset_locked_termios(struct tty_struct *tty, const struct ktermios *old)
{
struct ktermios *termios = &tty->termios;
struct ktermios *locked = &tty->termios_locked;

4
include/linux/serial_8250.h
View file

@ -32,7 +32,7 @@ struct plat_serial8250_port {
void (*serial_out)(struct uart_port *, int, int);
void (*set_termios)(struct uart_port *,
struct ktermios *new,
struct ktermios *old);
const struct ktermios *old);
void (*set_ldisc)(struct uart_port *,
struct ktermios *);
unsigned int (*get_mctrl)(struct uart_port *);
@ -157,7 +157,7 @@ extern int early_serial8250_setup(struct earlycon_device *device,
extern void serial8250_update_uartclk(struct uart_port *port,
unsigned int uartclk);
extern void serial8250_do_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old);
struct ktermios *termios, const struct ktermios *old);
extern void serial8250_do_set_ldisc(struct uart_port *port,
struct ktermios *termios);
extern unsigned int serial8250_do_get_mctrl(struct uart_port *port);

6
include/linux/serial_core.h
View file

@ -379,7 +379,7 @@ struct uart_ops {
void (*shutdown)(struct uart_port *);
void (*flush_buffer)(struct uart_port *);
void (*set_termios)(struct uart_port *, struct ktermios *new,
struct ktermios *old);
const struct ktermios *old);
void (*set_ldisc)(struct uart_port *, struct ktermios *);
void (*pm)(struct uart_port *, unsigned int state,
unsigned int oldstate);
@ -425,7 +425,7 @@ struct uart_port {
void (*serial_out)(struct uart_port *, int, int);
void (*set_termios)(struct uart_port *,
struct ktermios *new,
struct ktermios *old);
const struct ktermios *old);
void (*set_ldisc)(struct uart_port *,
struct ktermios *);
unsigned int (*get_mctrl)(struct uart_port *);
@ -644,7 +644,7 @@ void uart_write_wakeup(struct uart_port *port);
void uart_update_timeout(struct uart_port *port, unsigned int cflag,
unsigned int baud);
unsigned int uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
struct ktermios *old, unsigned int min,
const struct ktermios *old, unsigned int min,
unsigned int max);
unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud);