diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 39 |
1 files changed, 13 insertions, 26 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c867592477c9..4a1f3a95d017 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -611,6 +611,7 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, @@ -1034,6 +1035,9 @@ static const struct usb_device_id id_table_combined[] = { /* Sienna devices */ { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) }, { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) }, + /* IDS GmbH devices */ + { USB_DEVICE(IDS_VID, IDS_SI31A_PID) }, + { USB_DEVICE(IDS_VID, IDS_CM31A_PID) }, /* U-Blox devices */ { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) }, { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, @@ -1082,8 +1086,7 @@ static int ftdi_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); static int ftdi_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); -static int get_serial_info(struct tty_struct *tty, - struct serial_struct *ss); +static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss); static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss); static void ftdi_break_ctl(struct tty_struct *tty, int break_state); @@ -1477,8 +1480,7 @@ static int read_latency_timer(struct usb_serial_port *port) return 0; } -static int get_serial_info(struct tty_struct *tty, - struct serial_struct *ss) +static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); @@ -1486,49 +1488,34 @@ static int get_serial_info(struct tty_struct *tty, ss->flags = priv->flags; ss->baud_base = priv->baud_base; ss->custom_divisor = priv->custom_divisor; - return 0; } -static int set_serial_info(struct tty_struct *tty, - struct serial_struct *ss) +static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - struct ftdi_private old_priv; + int old_flags, old_divisor; mutex_lock(&priv->cfg_lock); - old_priv = *priv; - - /* Do error checking and permission checking */ if (!capable(CAP_SYS_ADMIN)) { if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) { mutex_unlock(&priv->cfg_lock); return -EPERM; } - priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | - (ss->flags & ASYNC_USR_MASK)); - priv->custom_divisor = ss->custom_divisor; - goto check_and_exit; - } - - if (ss->baud_base != priv->baud_base) { - mutex_unlock(&priv->cfg_lock); - return -EINVAL; } - /* Make the changes - these are privileged changes! */ + old_flags = priv->flags; + old_divisor = priv->custom_divisor; - priv->flags = ((priv->flags & ~ASYNC_FLAGS) | - (ss->flags & ASYNC_FLAGS)); + priv->flags = ss->flags & ASYNC_FLAGS; priv->custom_divisor = ss->custom_divisor; -check_and_exit: write_latency_timer(port); - if ((priv->flags ^ old_priv.flags) & ASYNC_SPD_MASK || + if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK || ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST && - priv->custom_divisor != old_priv.custom_divisor)) { + priv->custom_divisor != old_divisor)) { /* warn about deprecation unless clearing */ if (priv->flags & ASYNC_SPD_MASK) |