usb: serial: Make ->set_termios() old ktermios const

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/20220816115739.10928-8-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 39eaa7b97c404bc324fc6e9585c2ef115708e337..9452291f1703321515c66a2660db93bcd84f95a8 100644 (file)
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -189,7 +189,7 @@ static void ark3116_port_remove(struct usb_serial_port *port)
 
 static void ark3116_set_termios(struct tty_struct *tty,
                                struct usb_serial_port *port,
-                               struct ktermios *old_termios)
+                               const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct ark3116_private *priv = usb_get_serial_port_data(port);

diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 8107e4b5b03b17f22fb3e2ba0e6332cee68e9c7e..9331a562dac0ba6df722d47ae3ab8a789df19ead 100644 (file)
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -44,7 +44,8 @@ static void belkin_sa_close(struct usb_serial_port *port);
 static void belkin_sa_read_int_callback(struct urb *urb);
 static void belkin_sa_process_read_urb(struct urb *urb);
 static void belkin_sa_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios * old);
+                                 struct usb_serial_port *port,
+                                 const struct ktermios *old_termios);
 static void belkin_sa_break_ctl(struct tty_struct *tty, int break_state);
 static int  belkin_sa_tiocmget(struct tty_struct *tty);
 static int  belkin_sa_tiocmset(struct tty_struct *tty,
@@ -273,7 +274,8 @@ static void belkin_sa_process_read_urb(struct urb *urb)
 }
 
 static void belkin_sa_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                                 struct usb_serial_port *port,
+                                 const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct belkin_sa_private *priv = usb_get_serial_port_data(port);

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2798fca712612bee6e572779c6abad7f063cf0bb..5731d69fcf18c7d4d77c621ed15542d1dfd32bb8 100644 (file)
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -103,7 +103,7 @@ struct ch341_private {
 
 static void ch341_set_termios(struct tty_struct *tty,
                              struct usb_serial_port *port,
-                             struct ktermios *old_termios);
+                             const struct ktermios *old_termios);
 
 static int ch341_control_out(struct usb_device *dev, u8 request,
                             u16 value, u16 index)
@@ -470,7 +470,8 @@ err_kill_interrupt_urb:
  * tty->termios contains the new setting to be used.
  */
 static void ch341_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                             struct usb_serial_port *port,
+                             const struct ktermios *old_termios)
 {
        struct ch341_private *priv = usb_get_serial_port_data(port);
        unsigned baud_rate;

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index c374620a486f0a53f3772fb34effb11220fe3624..bb39d40974cf1a0849dcde30707063a7a7ee84a5 100644 (file)
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -31,9 +31,9 @@
 static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *);
 static void cp210x_close(struct usb_serial_port *);
 static void cp210x_change_speed(struct tty_struct *, struct usb_serial_port *,
-                                                       struct ktermios *);
+                               const struct ktermios *);
 static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *,
-                                                       struct ktermios*);
+                              const struct ktermios *);
 static bool cp210x_tx_empty(struct usb_serial_port *port);
 static int cp210x_tiocmget(struct tty_struct *);
 static int cp210x_tiocmset(struct tty_struct *, unsigned int, unsigned int);
@@ -1039,7 +1039,8 @@ static speed_t cp210x_get_actual_rate(speed_t baud)
  * otherwise.
  */
 static void cp210x_change_speed(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct cp210x_serial_private *priv = usb_get_serial_data(serial);
@@ -1121,7 +1122,8 @@ static bool cp210x_termios_change(const struct ktermios *a, const struct ktermio
 }
 
 static void cp210x_set_flow_control(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                                   struct usb_serial_port *port,
+                                   const struct ktermios *old_termios)
 {
        struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);
        struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
@@ -1231,7 +1233,8 @@ out_unlock:
 }
 
 static void cp210x_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                              struct usb_serial_port *port,
+                              const struct ktermios *old_termios)
 {
        struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);
        u16 bits;

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 5fbcc155e8f5c17ddb4a38020d4efff04fb73c79..1e0c028c5ec95fed144a54091cd14132bb7eddd9 100644 (file)
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -125,7 +125,8 @@ static void cypress_send(struct usb_serial_port *port);
 static unsigned int cypress_write_room(struct tty_struct *tty);
 static void cypress_earthmate_init_termios(struct tty_struct *tty);
 static void cypress_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios);
 static int  cypress_tiocmget(struct tty_struct *tty);
 static int  cypress_tiocmset(struct tty_struct *tty,
                        unsigned int set, unsigned int clear);
@@ -859,7 +860,8 @@ static void cypress_earthmate_init_termios(struct tty_struct *tty)
 }
 
 static void cypress_set_termios(struct tty_struct *tty,
-       struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        struct cypress_private *priv = usb_get_serial_port_data(port);
        struct device *dev = &port->dev;

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index af65eb863d70d4f94c837ca6575ee9ddf77952e6..45d688e9b93f689332e8ebae3985deedc93231f8 100644 (file)
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -215,7 +215,8 @@ static int digi_transmit_idle(struct usb_serial_port *port,
 static void digi_rx_throttle(struct tty_struct *tty);
 static void digi_rx_unthrottle(struct tty_struct *tty);
 static void digi_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios);
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios);
 static void digi_break_ctl(struct tty_struct *tty, int break_state);
 static int digi_tiocmget(struct tty_struct *tty);
 static int digi_tiocmset(struct tty_struct *tty, unsigned int set,
@@ -649,7 +650,8 @@ static void digi_rx_unthrottle(struct tty_struct *tty)
 
 
 static void digi_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios)
 {
        struct digi_port *priv = usb_get_serial_port_data(port);
        struct device *dev = &port->dev;

diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index d9f20256a6a8eaf86b97f9c4b5b3706ed569626a..2dd58cd9f0ccbae0cc67a2bc7a1c7b881d66fa4f 100644 (file)
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -603,7 +603,8 @@ static int f81232_port_disable(struct usb_serial_port *port)
 }
 
 static void f81232_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                              struct usb_serial_port *port,
+                              const struct ktermios *old_termios)
 {
        struct f81232_private *priv = usb_get_serial_port_data(port);
        u8 new_lcr = 0;

diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index d789c1ec87b353cf4b9a6d3c46dbf5f9478a0dc3..ddfcd72eb0ae7ae9b1b934c8b1dcad646230dd87 100644 (file)
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -944,8 +944,8 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
 }
 
 static void f81534_set_termios(struct tty_struct *tty,
-                               struct usb_serial_port *port,
-                               struct ktermios *old_termios)
+                              struct usb_serial_port *port,
+                              const struct ktermios *old_termios)
 {
        u8 new_lcr = 0;
        int status;

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d5a3986dfee755bc7418e2c998403dad96977e41..3173316cb06bf45b45b4c46507f7b883f1bc37f8 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1087,7 +1087,8 @@ static void ftdi_process_read_urb(struct urb *urb);
 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
                                                void *dest, size_t size);
 static void ftdi_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios);
 static int  ftdi_tiocmget(struct tty_struct *tty);
 static int  ftdi_tiocmset(struct tty_struct *tty,
                        unsigned int set, unsigned int clear);
@@ -2638,7 +2639,8 @@ static bool ftdi_tx_empty(struct usb_serial_port *port)
  * WARNING: set_termios calls this with old_termios in kernel space
  */
 static void ftdi_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios)
 {
        struct usb_device *dev = port->serial->dev;
        struct device *ddev = &port->dev;

diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index ffa622539a25cced45e1e70db59cf5d9f4650341..3a4c0febf33589a88e5e3fc2e64e95c5f2c56504 100644 (file)
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -281,7 +281,7 @@ static int  send_iosp_ext_cmd(struct edgeport_port *edge_port, __u8 command,
 static int  calc_baud_rate_divisor(struct device *dev, int baud_rate, int *divisor);
 static void change_port_settings(struct tty_struct *tty,
                                struct edgeport_port *edge_port,
-                               struct ktermios *old_termios);
+                               const struct ktermios *old_termios);
 static int  send_cmd_write_uart_register(struct edgeport_port *edge_port,
                                __u8 regNum, __u8 regValue);
 static int  write_cmd_usb(struct edgeport_port *edge_port,
@@ -1441,7 +1441,8 @@ static void edge_unthrottle(struct tty_struct *tty)
  * the termios structure
  *****************************************************************************/
 static void edge_set_termios(struct tty_struct *tty,
-       struct usb_serial_port *port, struct ktermios *old_termios)
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios)
 {
        struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 
@@ -2325,7 +2326,7 @@ static int send_cmd_write_uart_register(struct edgeport_port *edge_port,
  *****************************************************************************/
 
 static void change_port_settings(struct tty_struct *tty,
-       struct edgeport_port *edge_port, struct ktermios *old_termios)
+       struct edgeport_port *edge_port, const struct ktermios *old_termios)
 {
        struct device *dev = &edge_port->port->dev;
        struct edgeport_serial *edge_serial =

diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index feba2a8d1233a902f20886f1d7050f5ede11fa2f..bc3c24ea42c1bffb0cafe277e03dceacd087c42f 100644 (file)
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -221,7 +221,8 @@ static void stop_read(struct edgeport_port *edge_port);
 static int restart_read(struct edgeport_port *edge_port);
 
 static void edge_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios);
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios);
 static void edge_send(struct usb_serial_port *port, struct tty_struct *tty);
 
 static int do_download_mode(struct edgeport_serial *serial,
@@ -2210,7 +2211,7 @@ static int restart_read(struct edgeport_port *edge_port)
 }
 
 static void change_port_settings(struct tty_struct *tty,
-               struct edgeport_port *edge_port, struct ktermios *old_termios)
+               struct edgeport_port *edge_port, const struct ktermios *old_termios)
 {
        struct device *dev = &edge_port->port->dev;
        struct ump_uart_config *config;
@@ -2351,7 +2352,8 @@ static void change_port_settings(struct tty_struct *tty,
 }
 
 static void edge_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios)
 {
        struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 

diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 7b44dbea95cd300780f42a1afb1c76f2137ab0dc..82f108134e6fad8237ec75d86b2d3eb81e6c8f57 100644 (file)
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -51,7 +51,8 @@ static unsigned int ir_write_room(struct tty_struct *tty);
 static void ir_write_bulk_callback(struct urb *urb);
 static void ir_process_read_urb(struct urb *urb);
 static void ir_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios);
+                          struct usb_serial_port *port,
+                          const struct ktermios *old_termios);
 
 /* Not that this lot means you can only have one per system */
 static u8 ir_baud;
@@ -376,7 +377,8 @@ static void ir_process_read_urb(struct urb *urb)
 }
 
 static void ir_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                          struct usb_serial_port *port,
+                          const struct ktermios *old_termios)
 {
        struct usb_device *udev = port->serial->dev;
        unsigned char *transfer_buffer;

diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 0be3b5e1eaf352d56593415ace2f775ce981d707..77cba71bcccb5de3bc85c55bf7a48cf6a0129919 100644 (file)
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -879,7 +879,8 @@ static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,
 }
 
 static void iuu_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                           struct usb_serial_port *port,
+                           const struct ktermios *old_termios)
 {
        const u32 supported_mask = CMSPAR|PARENB|PARODD;
        struct iuu_private *priv = usb_get_serial_port_data(port);

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 1cfcd805f286830710865be969ae42abd39b85bd..2966e0c4941ec6abdd736fa363de044f0a86e5e7 100644 (file)
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -616,7 +616,8 @@ static void keyspan_break_ctl(struct tty_struct *tty, int break_state)
 
 
 static void keyspan_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        int                             baud_rate, device_port;
        struct keyspan_port_private     *p_priv;

diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 3e7628becdcd81a4bc6b01fa5ab54a7e53d72c64..6fd15cd9e1eb05872278b49bce30742467293ea3 100644 (file)
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -321,7 +321,8 @@ static void keyspan_pda_break_ctl(struct tty_struct *tty, int break_state)
 }
 
 static void keyspan_pda_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                                   struct usb_serial_port *port,
+                                   const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        speed_t speed;

diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index edcc57bd9b5e6dc4365630774cf017e15def3b78..394b3189e003a1b25cb2dac1868acdaa72bd4d31 100644 (file)
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -56,7 +56,8 @@ static void klsi_105_port_remove(struct usb_serial_port *port);
 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void klsi_105_close(struct usb_serial_port *port);
 static void klsi_105_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                                struct usb_serial_port *port,
+                                const struct ktermios *old_termios);
 static int  klsi_105_tiocmget(struct tty_struct *tty);
 static void klsi_105_process_read_urb(struct urb *urb);
 static int klsi_105_prepare_write_buffer(struct usb_serial_port *port,
@@ -366,7 +367,7 @@ static void klsi_105_process_read_urb(struct urb *urb)
 
 static void klsi_105_set_termios(struct tty_struct *tty,
                                 struct usb_serial_port *port,
-                                struct ktermios *old_termios)
+                                const struct ktermios *old_termios)
 {
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        struct device *dev = &port->dev;

diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 4ed8b8b0a3616f2891a3539ffb7a4f559df1f832..5e775f68fcb8574136195f5fb97f4df050f3a64b 100644 (file)
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -62,7 +62,8 @@ static int  kobil_tiocmset(struct tty_struct *tty,
 static void kobil_read_int_callback(struct urb *urb);
 static void kobil_write_int_callback(struct urb *urb);
 static void kobil_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                             struct usb_serial_port *port,
+                             const struct ktermios *old);
 static void kobil_init_termios(struct tty_struct *tty);
 
 static const struct usb_device_id id_table[] = {
@@ -474,7 +475,8 @@ static int kobil_tiocmset(struct tty_struct *tty,
 }
 
 static void kobil_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old)
+                             struct usb_serial_port *port,
+                             const struct ktermios *old)
 {
        struct kobil_private *priv;
        int result;

diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index ecd5b921e3746b8fa1d5f5c5e3c2ee6af0c964f6..d3852feb81a4a2607272fa2d2a01e8fdb8af7610 100644 (file)
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -45,7 +45,8 @@ static void mct_u232_close(struct usb_serial_port *port);
 static void mct_u232_dtr_rts(struct usb_serial_port *port, int on);
 static void mct_u232_read_int_callback(struct urb *urb);
 static void mct_u232_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                                struct usb_serial_port *port,
+                                const struct ktermios *old_termios);
 static void mct_u232_break_ctl(struct tty_struct *tty, int break_state);
 static int  mct_u232_tiocmget(struct tty_struct *tty);
 static int  mct_u232_tiocmset(struct tty_struct *tty,
@@ -593,7 +594,7 @@ exit:
 
 static void mct_u232_set_termios(struct tty_struct *tty,
                                 struct usb_serial_port *port,
-                                struct ktermios *old_termios)
+                                const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct mct_u232_private *priv = usb_get_serial_port_data(port);

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 23ccbba716c7e439ca0f79d7c056a3fd91b1e77a..1d1f85fabc284c812b8c080301437dbbbfbeec65 100644 (file)
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1356,7 +1356,7 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port,
  */
 static void change_port_settings(struct tty_struct *tty,
                                 struct moschip_port *mos7720_port,
-                                struct ktermios *old_termios)
+                                const struct ktermios *old_termios)
 {
        struct usb_serial_port *port;
        struct usb_serial *serial;
@@ -1494,7 +1494,8 @@ static void change_port_settings(struct tty_struct *tty,
  *     termios structure.
  */
 static void mos7720_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        int status;
        struct moschip_port *mos7720_port;

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 925067a7978d4ad395f644be59b205b8b685643c..6b12bb4648b8326085b58375d452c2beaff0cb85 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1188,7 +1188,8 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port,
  *****************************************************************************/
 
 static void mos7840_change_port_settings(struct tty_struct *tty,
-       struct moschip_port *mos7840_port, struct ktermios *old_termios)
+                                        struct moschip_port *mos7840_port,
+                                        const struct ktermios *old_termios)
 {
        struct usb_serial_port *port = mos7840_port->port;
        int baud;
@@ -1330,7 +1331,7 @@ static void mos7840_change_port_settings(struct tty_struct *tty,
 
 static void mos7840_set_termios(struct tty_struct *tty,
                                struct usb_serial_port *port,
-                               struct ktermios *old_termios)
+                               const struct ktermios *old_termios)
 {
        struct moschip_port *mos7840_port = usb_get_serial_port_data(port);
        int status;

diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index eb45a9b0005c8886786a0f8f73369543cb23b13c..faa0eedfe245f9634cc0cacb6f8c172d64a529be 100644 (file)
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -760,7 +760,7 @@ static int mxuport_tiocmget(struct tty_struct *tty)
 }
 
 static int mxuport_set_termios_flow(struct tty_struct *tty,
-                                   struct ktermios *old_termios,
+                                   const struct ktermios *old_termios,
                                    struct usb_serial_port *port,
                                    struct usb_serial *serial)
 {
@@ -834,7 +834,7 @@ out:
 
 static void mxuport_set_termios(struct tty_struct *tty,
                                struct usb_serial_port *port,
-                               struct ktermios *old_termios)
+                               const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        u8 *buf;

diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index a5caedbe72e2972c1ee769f827a7d2a0a88a059a..6365cfe5402cb52aa6a177195a5c0c0ff8a52451 100644 (file)
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -119,7 +119,8 @@ struct oti6858_control_pkt {
 static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void oti6858_close(struct usb_serial_port *port);
 static void oti6858_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios);
 static void oti6858_init_termios(struct tty_struct *tty);
 static void oti6858_read_int_callback(struct urb *urb);
 static void oti6858_read_bulk_callback(struct urb *urb);
@@ -395,7 +396,8 @@ static void oti6858_init_termios(struct tty_struct *tty)
 }
 
 static void oti6858_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        struct oti6858_private *priv = usb_get_serial_port_data(port);
        unsigned long flags;

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 40b1ab3d284dcb1ae1a7cc0e85cebcbb0bb774ac..8949c1891164bd9511720627c054bbd1339e8452 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -789,7 +789,8 @@ static bool pl2303_enable_xonxoff(struct tty_struct *tty, const struct pl2303_ty
 }
 
 static void pl2303_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                              struct usb_serial_port *port,
+                              const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct pl2303_serial_private *spriv = usb_get_serial_data(serial);

diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 36b1e064e51fb5d25bb230e047747b317a911c07..6fca40ace83a01fb341318f265c6e44d2cf8dc31 100644 (file)
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -261,8 +261,8 @@ static int qt2_calc_num_ports(struct usb_serial *serial,
 }
 
 static void qt2_set_termios(struct tty_struct *tty,
-                           struct usb_serial_port *port,
-                           struct ktermios *old_termios)
+                           struct usb_serial_port *port,
+                           const struct ktermios *old_termios)
 {
        struct usb_device *dev = port->serial->dev;
        struct qt2_port_private *port_priv;

diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 7039dc91882775cba850c2b9697d3d2d49092436..09a972a838ee4c18b85f10008af2a08ab69342fe 100644 (file)
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -283,7 +283,8 @@ static void spcp8x5_init_termios(struct tty_struct *tty)
 }
 
 static void spcp8x5_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                               struct usb_serial_port *port,
+                               const struct ktermios *old_termios)
 {
        struct usb_serial *serial = port->serial;
        struct spcp8x5_private *priv = usb_get_serial_port_data(port);

diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 181e302136a5b8444004a51a9be79a58c90823b1..1e1888b66305d846484f300853048b2015e99faa 100644 (file)
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -214,8 +214,8 @@ out:        kfree(data);
 
 
 static void ssu100_set_termios(struct tty_struct *tty,
-                              struct usb_serial_port *port,
-                              struct ktermios *old_termios)
+                              struct usb_serial_port *port,
+                              const struct ktermios *old_termios)
 {
        struct usb_device *dev = port->serial->dev;
        struct ktermios *termios = &tty->termios;

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 18c0bd8533924439b73f9579a1a5234f249e48d5..b99f78224846d55e088cc73cfcf6d1cef662f84d 100644 (file)
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -314,7 +314,8 @@ static bool ti_tx_empty(struct usb_serial_port *port);
 static void ti_throttle(struct tty_struct *tty);
 static void ti_unthrottle(struct tty_struct *tty);
 static void ti_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios);
+                          struct usb_serial_port *port,
+                          const struct ktermios *old_termios);
 static int ti_tiocmget(struct tty_struct *tty);
 static int ti_tiocmset(struct tty_struct *tty,
                unsigned int set, unsigned int clear);
@@ -892,7 +893,8 @@ static void ti_unthrottle(struct tty_struct *tty)
 }
 
 static void ti_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                          struct usb_serial_port *port,
+                          const struct ktermios *old_termios)
 {
        struct ti_port *tport = usb_get_serial_port_data(port);
        struct ti_uart_config *config;

diff --git a/drivers/usb/serial/upd78f0730.c b/drivers/usb/serial/upd78f0730.c
index 63d4a784ae457ccae525ba0cd24089c05a4ab959..c47439bd90fa67b2914169d56cdf6c5fa94ca8a3 100644 (file)
--- a/drivers/usb/serial/upd78f0730.c
+++ b/drivers/usb/serial/upd78f0730.c
@@ -296,8 +296,8 @@ static speed_t upd78f0730_get_baud_rate(struct tty_struct *tty)
 }
 
 static void upd78f0730_set_termios(struct tty_struct *tty,
-                               struct usb_serial_port *port,
-                               struct ktermios *old_termios)
+                                  struct usb_serial_port *port,
+                                  const struct ktermios *old_termios)
 {
        struct device *dev = &port->dev;
        struct upd78f0730_line_control request;

diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 332fb92ae575f9bd0e62f66abf435879386af595..7f82d40753ee08949081097cf38455e30cc3921b 100644 (file)
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -82,7 +82,8 @@ static void whiteheat_close(struct usb_serial_port *port);
 static void whiteheat_get_serial(struct tty_struct *tty,
                        struct serial_struct *ss);
 static void whiteheat_set_termios(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+                                 struct usb_serial_port *port,
+                                 const struct ktermios *old_termios);
 static int  whiteheat_tiocmget(struct tty_struct *tty);
 static int  whiteheat_tiocmset(struct tty_struct *tty,
                        unsigned int set, unsigned int clear);
@@ -442,7 +443,8 @@ static void whiteheat_get_serial(struct tty_struct *tty, struct serial_struct *s
 
 
 static void whiteheat_set_termios(struct tty_struct *tty,
-       struct usb_serial_port *port, struct ktermios *old_termios)
+                                 struct usb_serial_port *port,
+                                 const struct ktermios *old_termios)
 {
        firm_setup_port(tty);
 }

diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 6853cd56d8dce50c8d7377e6806d0eaada759add..f3811e060a44164ff110c7cd2601ce10ac25d795 100644 (file)
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c
@@ -104,7 +104,8 @@ static int xr21v141x_uart_enable(struct usb_serial_port *port);
 static int xr21v141x_uart_disable(struct usb_serial_port *port);
 static int xr21v141x_fifo_reset(struct usb_serial_port *port);
 static void xr21v141x_set_line_settings(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios);
+                                       struct usb_serial_port *port,
+                                       const struct ktermios *old_termios);
 
 struct xr_type {
        int reg_width;
@@ -133,8 +134,8 @@ struct xr_type {
        int (*disable)(struct usb_serial_port *port);
        int (*fifo_reset)(struct usb_serial_port *port);
        void (*set_line_settings)(struct tty_struct *tty,
-                       struct usb_serial_port *port,
-                       struct ktermios *old_termios);
+                                 struct usb_serial_port *port,
+                                 const struct ktermios *old_termios);
 };
 
 enum xr_type_id {
@@ -622,8 +623,8 @@ static int xr21v141x_set_baudrate(struct tty_struct *tty, struct usb_serial_port
 }
 
 static void xr_set_flow_mode(struct tty_struct *tty,
-                            struct usb_serial_port *port,
-                            struct ktermios *old_termios)
+                            struct usb_serial_port *port,
+                            const struct ktermios *old_termios)
 {
        struct xr_data *data = usb_get_serial_port_data(port);
        const struct xr_type *type = data->type;
@@ -674,7 +675,8 @@ static void xr_set_flow_mode(struct tty_struct *tty,
 }
 
 static void xr21v141x_set_line_settings(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                                       struct usb_serial_port *port,
+                                       const struct ktermios *old_termios)
 {
        struct ktermios *termios = &tty->termios;
        u8 bits = 0;
@@ -732,7 +734,8 @@ static void xr21v141x_set_line_settings(struct tty_struct *tty,
 }
 
 static void xr_cdc_set_line_coding(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                                  struct usb_serial_port *port,
+                                  const struct ktermios *old_termios)
 {
        struct xr_data *data = usb_get_serial_port_data(port);
        struct usb_host_interface *alt = port->serial->interface->cur_altsetting;
@@ -809,7 +812,8 @@ static void xr_cdc_set_line_coding(struct tty_struct *tty,
 }
 
 static void xr_set_termios(struct tty_struct *tty,
-               struct usb_serial_port *port, struct ktermios *old_termios)
+                          struct usb_serial_port *port,
+                          const struct ktermios *old_termios)
 {
        struct xr_data *data = usb_get_serial_port_data(port);
 

diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 8ea319f89e1ff2162ac1eed437d0b0ab7ba647c8..f7bfedb740f56e2d3509956c6d2f8da8b0e32acd 100644 (file)
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -276,8 +276,8 @@ struct usb_serial_driver {
                      unsigned int cmd, unsigned long arg);
        void (*get_serial)(struct tty_struct *tty, struct serial_struct *ss);
        int  (*set_serial)(struct tty_struct *tty, struct serial_struct *ss);
-       void (*set_termios)(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct ktermios *old);
+       void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port,
+                           const struct ktermios *old);
        void (*break_ctl)(struct tty_struct *tty, int break_state);
        unsigned int (*chars_in_buffer)(struct tty_struct *tty);
        void (*wait_until_sent)(struct tty_struct *tty, long timeout);