[PATCH 6/8] serial: Make ->set_termios() old ktermios const
From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: 2022-08-16 12:08:43
Also in:
linux-amlogic, linux-arm-msm, linux-mediatek, linux-riscv, linux-samsung-soc, linux-serial, linux-tegra, lkml, sparclinux
Subsystem:
8250/16?50 (and clone uarts) serial driver, altera uart/jtag uart serial drivers, arm primecell uart pl010 and pl011 drivers, arm/qualcomm mailing list, arm/rda micro architecture, arm/samsung s3c, s5p and exynos arm architectures, arm/sti architecture, arm/vt8500 arm architecture, broadcom brcmstb uart driver, dz decstation dz11 serial driver, freescale quicc engine ucc uart driver, intel lpss (low power subsystem) drivers, intel mid (mobile internet device) platform, jsm neo pci based serial card, litex platform, marvell armada 3700 serial driver, microchip at91 serial driver, rocketport express/infinity driver, sparc serial drivers, sunplus uart driver, synopsys arc architecture, synopsys designware 8250 uart driver, tegra serial driver, the rest, tty layer and serial drivers, xilinx uartlite serial driver, zs decstation z85c30 serial driver · Maintainers:
Greg Kroah-Hartman, Tobias Klauser, Russell King, Manivannan Sadhasivam, Krzysztof Kozlowski, Peter Griffin, Patrice Chotard, Alexey Charkov, Al Cooper, "Maciej W. Rozycki", Timur Tabi, Andy Shevchenko, Karol Gugala, Mateusz Holenko, Joel Stanley, Pali Rohár, Richard Genoud, Kevin Cernekee, "David S. Miller", Hammer Hsieh, Vineet Gupta, Ilpo Järvinen, Laxman Dewangan, Linus Torvalds, Jiri Slaby, Peter Korsgaard
There should be no reason to adjust old ktermios which is going to get discarded anyway. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> --- drivers/tty/serial/21285.c | 2 +- drivers/tty/serial/8250/8250_bcm7271.c | 2 +- drivers/tty/serial/8250/8250_dw.c | 2 +- drivers/tty/serial/8250/8250_dwlib.c | 3 ++- drivers/tty/serial/8250/8250_dwlib.h | 2 +- drivers/tty/serial/8250/8250_fintek.c | 2 +- drivers/tty/serial/8250/8250_lpss.c | 2 +- drivers/tty/serial/8250/8250_mid.c | 5 ++--- drivers/tty/serial/8250/8250_mtk.c | 2 +- drivers/tty/serial/8250/8250_omap.c | 2 +- drivers/tty/serial/8250/8250_port.c | 6 +++--- drivers/tty/serial/altera_jtaguart.c | 4 ++-- drivers/tty/serial/altera_uart.c | 2 +- drivers/tty/serial/amba-pl010.c | 2 +- drivers/tty/serial/amba-pl011.c | 4 ++-- drivers/tty/serial/apbuart.c | 2 +- drivers/tty/serial/ar933x_uart.c | 2 +- drivers/tty/serial/arc_uart.c | 2 +- drivers/tty/serial/atmel_serial.c | 5 +++-- drivers/tty/serial/bcm63xx_uart.c | 5 ++--- drivers/tty/serial/clps711x.c | 2 +- drivers/tty/serial/cpm_uart/cpm_uart_core.c | 2 +- drivers/tty/serial/digicolor-usart.c | 2 +- drivers/tty/serial/dz.c | 2 +- drivers/tty/serial/fsl_linflexuart.c | 2 +- drivers/tty/serial/fsl_lpuart.c | 4 ++-- drivers/tty/serial/icom.c | 5 ++--- drivers/tty/serial/imx.c | 2 +- drivers/tty/serial/ip22zilog.c | 2 +- drivers/tty/serial/jsm/jsm_tty.c | 4 ++-- drivers/tty/serial/lantiq.c | 4 ++-- drivers/tty/serial/liteuart.c | 2 +- drivers/tty/serial/lpc32xx_hs.c | 2 +- drivers/tty/serial/max3100.c | 2 +- drivers/tty/serial/max310x.c | 2 +- drivers/tty/serial/mcf.c | 2 +- drivers/tty/serial/men_z135_uart.c | 4 ++-- drivers/tty/serial/meson_uart.c | 2 +- drivers/tty/serial/milbeaut_usio.c | 3 ++- drivers/tty/serial/mpc52xx_uart.c | 12 ++++++------ drivers/tty/serial/mps2-uart.c | 2 +- drivers/tty/serial/msm_serial.c | 2 +- drivers/tty/serial/mux.c | 2 +- drivers/tty/serial/mvebu-uart.c | 2 +- drivers/tty/serial/mxs-auart.c | 2 +- drivers/tty/serial/omap-serial.c | 2 +- drivers/tty/serial/owl-uart.c | 2 +- drivers/tty/serial/pch_uart.c | 3 ++- drivers/tty/serial/pic32_uart.c | 2 +- drivers/tty/serial/pmac_zilog.c | 4 ++-- drivers/tty/serial/pxa.c | 2 +- drivers/tty/serial/qcom_geni_serial.c | 3 ++- drivers/tty/serial/rda-uart.c | 2 +- drivers/tty/serial/rp2.c | 5 ++--- drivers/tty/serial/sa1100.c | 2 +- drivers/tty/serial/samsung_tty.c | 2 +- drivers/tty/serial/sb1250-duart.c | 2 +- drivers/tty/serial/sc16is7xx.c | 2 +- drivers/tty/serial/sccnxp.c | 3 ++- drivers/tty/serial/serial-tegra.c | 3 ++- drivers/tty/serial/serial_core.c | 2 +- drivers/tty/serial/serial_txx9.c | 2 +- drivers/tty/serial/sh-sci.c | 2 +- drivers/tty/serial/sifive.c | 2 +- drivers/tty/serial/sprd_serial.c | 5 ++--- drivers/tty/serial/st-asc.c | 2 +- drivers/tty/serial/stm32-usart.c | 2 +- drivers/tty/serial/sunhv.c | 2 +- drivers/tty/serial/sunplus-uart.c | 2 +- drivers/tty/serial/sunsab.c | 2 +- drivers/tty/serial/sunsu.c | 2 +- drivers/tty/serial/sunzilog.c | 2 +- drivers/tty/serial/tegra-tcu.c | 2 +- drivers/tty/serial/timbuart.c | 4 ++-- drivers/tty/serial/uartlite.c | 5 +++-- drivers/tty/serial/ucc_uart.c | 3 ++- drivers/tty/serial/vt8500_serial.c | 2 +- drivers/tty/serial/xilinx_uartps.c | 3 ++- drivers/tty/serial/zs.c | 2 +- drivers/tty/tty_ioctl.c | 2 +- include/linux/serial_8250.h | 4 ++-- include/linux/serial_core.h | 6 +++--- 82 files changed, 117 insertions(+), 112 deletions(-)
diff --git a/drivers/tty/serial/21285.c b/drivers/tty/serial/21285.c
index 7520cc02fd4d..2f17bf4b221e 100644
--- a/drivers/tty/serial/21285.c
+++ b/drivers/tty/serial/21285.c@@ -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;
diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index 8efdc271eb75..fa8ccf204d86 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c@@ -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;
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index a604b42e4458..7db51781289e 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c@@ -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);
diff --git a/drivers/tty/serial/8250/8250_dwlib.c b/drivers/tty/serial/8250/8250_dwlib.c
index dbe4d44f60d4..75f32f054ebb 100644
--- a/drivers/tty/serial/8250/8250_dwlib.c
+++ b/drivers/tty/serial/8250/8250_dwlib.c@@ -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)
diff --git a/drivers/tty/serial/8250/8250_dwlib.h b/drivers/tty/serial/8250/8250_dwlib.h
index 055bfdc87985..f13e91f2cace 100644
--- a/drivers/tty/serial/8250/8250_dwlib.h
+++ b/drivers/tty/serial/8250/8250_dwlib.h@@ -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)
diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c
index 65b6b3cbaff6..e2aa2a1a02dd 100644
--- a/drivers/tty/serial/8250/8250_fintek.c
+++ b/drivers/tty/serial/8250/8250_fintek.c@@ -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);
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 4ba43bef9933..44cc755b1a29 100644
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c@@ -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);
diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index a2a03acb04ad..2cc78a4bf7a1 100644
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c@@ -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;
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index 54051ec7b499..fb1d5ec0940e 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c@@ -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
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 0dcecbbc3967..b43894e15b07 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c@@ -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;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 39b35a61958c..bd3207611f64 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c@@ -2651,7 +2651,7 @@ 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;
@@ -2737,7 +2737,7 @@ 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;
@@ -2875,7 +2875,7 @@ 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);
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index cb791c5149a3..23f339757894 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c@@ -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)
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index 8b749ed557c6..a38db2cb8dc1 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c@@ -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;
diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
index fae0b581ff42..af27fb8ec145 100644
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c@@ -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;
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 15f0e4d88c5a..39f79bc5aba1 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c@@ -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);
diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c
index 9ef82d870ff2..450f4edfda0f 100644
--- a/drivers/tty/serial/apbuart.c
+++ b/drivers/tty/serial/apbuart.c@@ -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;
diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c
index 32caeac12985..0a4020dba165 100644
--- a/drivers/tty/serial/ar933x_uart.c
+++ b/drivers/tty/serial/ar933x_uart.c@@ -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);
diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c
index 2a09e92ef9ed..2a65ea2660e1 100644
--- a/drivers/tty/serial/arc_uart.c
+++ b/drivers/tty/serial/arc_uart.c@@ -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;
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 30ba9eef7b39..a85169aa839d 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c@@ -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;
diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
index 53b43174aa40..5d9737c2d1f2 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c@@ -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;
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c
index b9b66ad31a08..404b43a5ae33 100644
--- a/drivers/tty/serial/clps711x.c
+++ b/drivers/tty/serial/clps711x.c@@ -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;
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index db07d6a5d764..a4713cb0304d 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c@@ -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;
diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c
index af951e6a2ef4..0c0a62346f23 100644
--- a/drivers/tty/serial/digicolor-usart.c
+++ b/drivers/tty/serial/digicolor-usart.c@@ -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;
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 3eaf4e85bfdd..829b452daee9 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c@@ -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;
diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c
index 98bb0c315e13..84e8153e5420 100644
--- a/drivers/tty/serial/fsl_linflexuart.c
+++ b/drivers/tty/serial/fsl_linflexuart.c@@ -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;
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index f6c33cd228c8..71539802f5a9 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c@@ -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;
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index 45df29947fe8..819f957b6b84 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c@@ -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;
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 522445a8f666..5875ee66492b 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c@@ -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;
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
index 655e64b26852..dd0a8915ce4f 100644
--- a/drivers/tty/serial/ip22zilog.c
+++ b/drivers/tty/serial/ip22zilog.c@@ -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);
diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index cb58bdec2f43..222afc270c88 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c@@ -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 =
diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index a3120c3347dd..6637b3caa6b7 100644
--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c@@ -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;
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index 328b50521f14..4c0604325ee9 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c@@ -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;
diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
index 93140cac1ca1..0d5ef7df27d0 100644
--- a/drivers/tty/serial/lpc32xx_hs.c
+++ b/drivers/tty/serial/lpc32xx_hs.c@@ -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;
diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index 0b5f21fbb53d..c69602f356fd 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c@@ -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,
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index ab10ca4a45b5..724049a7a97d 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c@@ -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;
diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
index f4aaaadd0742..b1cd9a76dd93 100644
--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c@@ -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;
diff --git a/drivers/tty/serial/men_z135_uart.c b/drivers/tty/serial/men_z135_uart.c
index 12117b596e73..3690f5cf0f43 100644
--- a/drivers/tty/serial/men_z135_uart.c
+++ b/drivers/tty/serial/men_z135_uart.c@@ -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;
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 6c8db19fd572..f52534141b5a 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c@@ -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;
diff --git a/drivers/tty/serial/milbeaut_usio.c b/drivers/tty/serial/milbeaut_usio.c
index 347088bb380e..c15e0d84dc7e 100644
--- a/drivers/tty/serial/milbeaut_usio.c
+++ b/drivers/tty/serial/milbeaut_usio.c@@ -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;
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c
index 3f1986c89694..6f09b1cb3e1c 100644
--- a/drivers/tty/serial/mpc52xx_uart.c
+++ b/drivers/tty/serial/mpc52xx_uart.c@@ -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;
diff --git a/drivers/tty/serial/mps2-uart.c b/drivers/tty/serial/mps2-uart.c
index 5e9429dcc51f..2e3e6cf16817 100644
--- a/drivers/tty/serial/mps2-uart.c
+++ b/drivers/tty/serial/mps2-uart.c@@ -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;
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 3159889ddae1..7dd19a281579 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c@@ -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;
diff --git a/drivers/tty/serial/mux.c b/drivers/tty/serial/mux.c
index 0ba0f4d9459d..ed0e763f622a 100644
--- a/drivers/tty/serial/mux.c
+++ b/drivers/tty/serial/mux.c@@ -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) { }
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
index 65eaecd10b7c..ba16e1da6bd3 100644
--- a/drivers/tty/serial/mvebu-uart.c
+++ b/drivers/tty/serial/mvebu-uart.c@@ -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;
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 1944daf8593a..d21a4f3ef2fe 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c@@ -959,7 +959,7 @@ static int mxs_auart_dma_init(struct mxs_auart_port *s) #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;
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 0aa666e247d5..c87d85b901a7 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c@@ -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;
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c
index 888e17e3f25f..fde39cc1145d 100644
--- a/drivers/tty/serial/owl-uart.c
+++ b/drivers/tty/serial/owl-uart.c@@ -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;
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 8a9065e4a903..11ba5df0618f 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c@@ -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;
diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c
index f418f1de66b3..2b8ba0702b70 100644
--- a/drivers/tty/serial/pic32_uart.c
+++ b/drivers/tty/serial/pic32_uart.c@@ -609,7 +609,7 @@ 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;
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index f63257b8e872..fe2e4ec423f7 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c@@ -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;
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 9309ffd87c8e..2d25231fad84 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c@@ -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;
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index f4698a064a4d..52182f6a5444 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c@@ -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;
diff --git a/drivers/tty/serial/rda-uart.c b/drivers/tty/serial/rda-uart.c
index feb2054aba37..0e387e2144fa 100644
--- a/drivers/tty/serial/rda-uart.c
+++ b/drivers/tty/serial/rda-uart.c@@ -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;
diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c
index 6689d8add8f7..b81afb06f1f4 100644
--- a/drivers/tty/serial/rp2.c
+++ b/drivers/tty/serial/rp2.c@@ -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;
diff --git a/drivers/tty/serial/sa1100.c b/drivers/tty/serial/sa1100.c
index e64e42a19d1a..dd9e3253cab4 100644
--- a/drivers/tty/serial/sa1100.c
+++ b/drivers/tty/serial/sa1100.c@@ -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);
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index b7a4b47ce74e..77d1363029f5 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c@@ -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);
diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c
index 2cf8533ef760..c5d2b6cdcb4a 100644
--- a/drivers/tty/serial/sb1250-duart.c
+++ b/drivers/tty/serial/sb1250-duart.c@@ -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;
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 259e08cc347c..5ecf8f90eb5c 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c@@ -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);
diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index c56de2e104d4..dd98509f52e5 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c@@ -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;
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index ad4f3567ff90..da2993fc2f04 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c@@ -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;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 12c87cd201a7..c8295904b331 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c@@ -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;
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index 228e380db080..e12f1dc18c38 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c@@ -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;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 0075a1420005..9ad3663b5152 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c@@ -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;
diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c
index 5c3a07546a58..4761f172103a 100644
--- a/drivers/tty/serial/sifive.c
+++ b/drivers/tty/serial/sifive.c@@ -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;
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index 4329b9c9cbf0..342a87967631 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c@@ -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;
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
index cce42f4c9bc2..fcecea689a0d 100644
--- a/drivers/tty/serial/st-asc.c
+++ b/drivers/tty/serial/st-asc.c@@ -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;
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 2c85dbf165c4..0b18615b2ca4 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c@@ -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;
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index eafada8fb6fa..1938ba5e98c0 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c@@ -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);
diff --git a/drivers/tty/serial/sunplus-uart.c b/drivers/tty/serial/sunplus-uart.c
index 60c73662f955..7afe61a0e72e 100644
--- a/drivers/tty/serial/sunplus-uart.c
+++ b/drivers/tty/serial/sunplus-uart.c@@ -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;
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
index 6ea52293d9f3..b5498229b147 100644
--- a/drivers/tty/serial/sunsab.c
+++ b/drivers/tty/serial/sunsab.c@@ -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);
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 84d545e5a8c7..1656efab343e 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c@@ -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;
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index c14275d83b0b..a38d213ca7ac 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c@@ -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);
diff --git a/drivers/tty/serial/tegra-tcu.c b/drivers/tty/serial/tegra-tcu.c
index 4877c54c613d..366dc94118bc 100644
--- a/drivers/tty/serial/tegra-tcu.c
+++ b/drivers/tty/serial/tegra-tcu.c@@ -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) { }
diff --git a/drivers/tty/serial/timbuart.c b/drivers/tty/serial/timbuart.c
index 08941eabe7b1..bb19ed012def 100644
--- a/drivers/tty/serial/timbuart.c
+++ b/drivers/tty/serial/timbuart.c@@ -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;
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 880e2afbb97b..eca41ac5477c 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c@@ -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;
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 3cc9ef08455c..0c7768b8e136 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c@@ -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);
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 6f08136ce78a..508ad7afa6de 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c@@ -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);
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 9e01fe6c0ab8..d7c7131c7258 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c@@ -675,7 +675,8 @@ 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;
diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c
index 5bc58591665a..688db7d8b748 100644
--- a/drivers/tty/serial/zs.c
+++ b/drivers/tty/serial/zs.c@@ -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;
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index fc94988f0283..31d11230e778 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c@@ -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;
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 8c7b793aa4d7..43edd10e8c96 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h@@ -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);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index aef3145f2032..0e9bc943bfa8 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h@@ -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);
--
2.30.2