X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fcp2101.c;h=46c33fc9f6ce3d2e1c02d79a4502d06c9ef48134;hp=2bc5576c443adfa2f18528740d00a3b16ca56987;hb=95da310e66ee8090119596c70ca8432e57f9a97f;hpb=1aa3692da57c773e5c76de55c5c4a953962d360e diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index 2bc5576c443a..46c33fc9f6ce 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -37,15 +37,18 @@ /* * Function Prototypes */ -static int cp2101_open(struct usb_serial_port*, struct file*); -static void cp2101_cleanup(struct usb_serial_port*); -static void cp2101_close(struct usb_serial_port*, struct file*); -static void cp2101_get_termios(struct usb_serial_port*); -static void cp2101_set_termios(struct usb_serial_port*, struct ktermios*); -static int cp2101_tiocmget (struct usb_serial_port *, struct file *); -static int cp2101_tiocmset (struct usb_serial_port *, struct file *, +static int cp2101_open(struct tty_struct *, struct usb_serial_port *, + struct file *); +static void cp2101_cleanup(struct usb_serial_port *); +static void cp2101_close(struct tty_struct *, struct usb_serial_port *, + struct file*); +static void cp2101_get_termios(struct tty_struct *); +static void cp2101_set_termios(struct tty_struct *, struct usb_serial_port *, + struct ktermios*); +static int cp2101_tiocmget (struct tty_struct *, struct file *); +static int cp2101_tiocmset (struct tty_struct *, struct file *, unsigned int, unsigned int); -static void cp2101_break_ctl(struct usb_serial_port*, int); +static void cp2101_break_ctl(struct tty_struct *, int); static int cp2101_startup (struct usb_serial *); static void cp2101_shutdown(struct usb_serial*); @@ -182,7 +185,7 @@ static struct usb_serial_driver cp2101_device = { * 'data' is a pointer to a pre-allocated array of integers large * enough to hold 'size' bytes (with 4 bytes to each integer) */ -static int cp2101_get_config(struct usb_serial_port* port, u8 request, +static int cp2101_get_config(struct usb_serial_port *port, u8 request, unsigned int *data, int size) { struct usb_serial *serial = port->serial; @@ -228,7 +231,7 @@ static int cp2101_get_config(struct usb_serial_port* port, u8 request, * Values less than 16 bits wide are sent directly * 'size' is specified in bytes. */ -static int cp2101_set_config(struct usb_serial_port* port, u8 request, +static int cp2101_set_config(struct usb_serial_port *port, u8 request, unsigned int *data, int size) { struct usb_serial *serial = port->serial; @@ -283,13 +286,14 @@ static int cp2101_set_config(struct usb_serial_port* port, u8 request, * Convenience function for calling cp2101_set_config on single data values * without requiring an integer pointer */ -static inline int cp2101_set_config_single(struct usb_serial_port* port, +static inline int cp2101_set_config_single(struct usb_serial_port *port, u8 request, unsigned int data) { return cp2101_set_config(port, request, &data, 2); } -static int cp2101_open (struct usb_serial_port *port, struct file *filp) +static int cp2101_open (struct tty_struct *tty, struct usb_serial_port *port, + struct file *filp) { struct usb_serial *serial = port->serial; int result; @@ -318,10 +322,10 @@ static int cp2101_open (struct usb_serial_port *port, struct file *filp) } /* Configure the termios structure */ - cp2101_get_termios(port); + cp2101_get_termios(tty); /* Set the DTR and RTS pins low */ - cp2101_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0); + cp2101_tiocmset(tty, NULL, TIOCM_DTR | TIOCM_RTS, 0); return 0; } @@ -341,7 +345,8 @@ static void cp2101_cleanup (struct usb_serial_port *port) } } -static void cp2101_close (struct usb_serial_port *port, struct file * filp) +static void cp2101_close(struct tty_struct *tty, struct usb_serial_port *port, + struct file * filp) { dbg("%s - port %d", __func__, port->number); @@ -362,19 +367,15 @@ static void cp2101_close (struct usb_serial_port *port, struct file * filp) * from the device, corrects any unsupported values, and configures the * termios structure to reflect the state of the device */ -static void cp2101_get_termios (struct usb_serial_port *port) +static void cp2101_get_termios (struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; unsigned int cflag, modem_ctl[4]; unsigned int baud; unsigned int bits; dbg("%s - port %d", __func__, port->number); - if (!port->tty || !port->tty->termios) { - dbg("%s - no tty structures", __func__); - return; - } - cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2); /* Convert to baudrate */ if (baud) @@ -382,8 +383,8 @@ static void cp2101_get_termios (struct usb_serial_port *port) dbg("%s - baud rate = %d", __func__, baud); - tty_encode_baud_rate(port->tty, baud, baud); - cflag = port->tty->termios->c_cflag; + tty_encode_baud_rate(tty, baud, baud); + cflag = tty->termios->c_cflag; cp2101_get_config(port, CP2101_BITS, &bits, 2); cflag &= ~CSIZE; @@ -491,11 +492,11 @@ static void cp2101_get_termios (struct usb_serial_port *port) cflag &= ~CRTSCTS; } - port->tty->termios->c_cflag = cflag; + tty->termios->c_cflag = cflag; } -static void cp2101_set_termios (struct usb_serial_port *port, - struct ktermios *old_termios) +static void cp2101_set_termios (struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) { unsigned int cflag, old_cflag; unsigned int baud = 0, bits; @@ -503,15 +504,13 @@ static void cp2101_set_termios (struct usb_serial_port *port, dbg("%s - port %d", __func__, port->number); - if (!port->tty || !port->tty->termios) { - dbg("%s - no tty structures", __func__); + if (!tty) return; - } - port->tty->termios->c_cflag &= ~CMSPAR; - cflag = port->tty->termios->c_cflag; + tty->termios->c_cflag &= ~CMSPAR; + cflag = tty->termios->c_cflag; old_cflag = old_termios->c_cflag; - baud = tty_get_baud_rate(port->tty); + baud = tty_get_baud_rate(tty); /* If the baud rate is to be updated*/ if (baud != tty_termios_baud_rate(old_termios)) { @@ -554,7 +553,7 @@ static void cp2101_set_termios (struct usb_serial_port *port, } } /* Report back the resulting baud rate */ - tty_encode_baud_rate(port->tty, baud, baud); + tty_encode_baud_rate(tty, baud, baud); /* If the number of data bits is to be updated */ if ((cflag & CSIZE) != (old_cflag & CSIZE)) { @@ -651,9 +650,10 @@ static void cp2101_set_termios (struct usb_serial_port *port, } -static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file, +static int cp2101_tiocmset (struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { + struct usb_serial_port *port = tty->driver_data; unsigned int control = 0; dbg("%s - port %d", __func__, port->number); @@ -681,8 +681,9 @@ static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file, } -static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file) +static int cp2101_tiocmget (struct tty_struct *tty, struct file *file) { + struct usb_serial_port *port = tty->driver_data; unsigned int control; int result; @@ -702,8 +703,9 @@ static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file) return result; } -static void cp2101_break_ctl (struct usb_serial_port *port, int break_state) +static void cp2101_break_ctl (struct tty_struct *tty, int break_state) { + struct usb_serial_port *port = tty->driver_data; unsigned int state; dbg("%s - port %d", __func__, port->number);