[7/8] usb: serial: Make ->set_termios() old ktermios const

Message ID	20220816115739.10928-8-ilpo.jarvinen@linux.intel.com (mailing list archive)
State	Accepted
Commit	f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722
Headers	show Return-Path: <linux-usb-owner@kernel.org> From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> To: linux-serial@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby <jirislaby@kernel.org>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Johan Hovold <johan@kernel.org>, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> Subject: [PATCH 7/8] usb: serial: Make ->set_termios() old ktermios const Date: Tue, 16 Aug 2022 14:57:38 +0300 Message-Id: <20220816115739.10928-8-ilpo.jarvinen@linux.intel.com> In-Reply-To: <20220816115739.10928-1-ilpo.jarvinen@linux.intel.com> References: <20220816115739.10928-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	None \| expand [7/8] usb: serial: Make ->set_termios() old ktermios const [8/8] tty: Make ->set_termios() old ktermios const

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 39eaa7b97c40..9452291f1703 100644 --- 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 8107e4b5b03b..9331a562dac0 100644 --- 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 2798fca71261..5731d69fcf18 100644 --- 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 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port) * 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 c374620a486f..bb39d40974cf 100644 --- 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 @@ static void cp210x_set_flow_control(struct tty_struct *tty, } 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 5fbcc155e8f5..1e0c028c5ec9 100644 --- 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 af65eb863d70..45d688e9b93f 100644 --- 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 d9f20256a6a8..2dd58cd9f0cc 100644 --- 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 d789c1ec87b3..ddfcd72eb0ae 100644 --- 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 d5a3986dfee7..3173316cb06b 100644 --- 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 ffa622539a25..3a4c0febf335 100644 --- 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 feba2a8d1233..bc3c24ea42c1 100644 --- 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 7b44dbea95cd..82f108134e6f 100644 --- 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 0be3b5e1eaf3..77cba71bcccb 100644 --- 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 1cfcd805f286..2966e0c4941e 100644 --- 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 3e7628becdcd..6fd15cd9e1eb 100644 --- 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 edcc57bd9b5e..394b3189e003 100644 --- 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 4ed8b8b0a361..5e775f68fcb8 100644 --- 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 ecd5b921e374..d3852feb81a4 100644 --- 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 @@ 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_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 23ccbba716c7..1d1f85fabc28 100644 --- 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 925067a7978d..6b12bb4648b8 100644 --- 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 eb45a9b0005c..faa0eedfe245 100644 --- 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 @@ static int mxuport_set_termios_flow(struct tty_struct *tty, 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 a5caedbe72e2..6365cfe5402c 100644 --- 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 40b1ab3d284d..8949c1891164 100644 --- 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 36b1e064e51f..6fca40ace83a 100644 --- 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 7039dc918827..09a972a838ee 100644 --- 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 181e302136a5..1e1888b66305 100644 --- 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 18c0bd853392..b99f78224846 100644 --- 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 63d4a784ae45..c47439bd90fa 100644 --- 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 332fb92ae575..7f82d40753ee 100644 --- 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 6853cd56d8dc..f3811e060a44 100644 --- 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 8ea319f89e1f..f7bfedb740f5 100644 --- 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);

[7/8] usb: serial: Make ->set_termios() old ktermios const

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