diff options
author | Johan Hovold <johan@kernel.org> | 2018-05-18 16:25:49 +0300 |
---|---|---|
committer | Johan Hovold <johan@kernel.org> | 2018-05-21 11:04:26 +0300 |
commit | 1641011549784699e013c7ccfebbd0d5a3dc41e7 (patch) | |
tree | 35607b67fc5f0df4e2273201577304233d5a0023 /drivers/usb/serial/ftdi_sio.c | |
parent | fd54a99aec18fe47c3035a38815bcbeba09100cc (diff) | |
download | linux-1641011549784699e013c7ccfebbd0d5a3dc41e7.tar.xz |
USB: serial: ftdi_sio: drop unnecessary urb_ variable prefixes
Drop urb_ prefixes from value and index variables used in control
requests.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 83 |
1 files changed, 41 insertions, 42 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 0d24da03a4a3..3d7f181e7e2a 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -54,10 +54,9 @@ struct ftdi_private { int custom_divisor; /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */ - u16 last_set_data_urb_value; - /* the last data state set - needed for doing - * a break - */ + u16 last_set_data_value; /* the last data state set - needed for doing + * a break + */ int flags; /* some ASYNC_xxxx flags are supported */ unsigned long last_dtr_rts; /* saved modem control outputs */ char prev_status; /* Used for TIOCMIWAIT */ @@ -1195,7 +1194,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, { struct ftdi_private *priv = usb_get_serial_port_data(port); struct device *dev = &port->dev; - unsigned urb_value; + unsigned value; int rv; if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { @@ -1204,20 +1203,20 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, } clear &= ~set; /* 'set' takes precedence over 'clear' */ - urb_value = 0; + value = 0; if (clear & TIOCM_DTR) - urb_value |= FTDI_SIO_SET_DTR_LOW; + value |= FTDI_SIO_SET_DTR_LOW; if (clear & TIOCM_RTS) - urb_value |= FTDI_SIO_SET_RTS_LOW; + value |= FTDI_SIO_SET_RTS_LOW; if (set & TIOCM_DTR) - urb_value |= FTDI_SIO_SET_DTR_HIGH; + value |= FTDI_SIO_SET_DTR_HIGH; if (set & TIOCM_RTS) - urb_value |= FTDI_SIO_SET_RTS_HIGH; + value |= FTDI_SIO_SET_RTS_HIGH; rv = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_MODEM_CTRL_REQUEST, FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, - urb_value, priv->interface, + value, priv->interface, NULL, 0, WDR_TIMEOUT); if (rv < 0) { dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n", @@ -1346,26 +1345,26 @@ static u32 get_ftdi_divisor(struct tty_struct *tty, static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - u16 urb_value; - u16 urb_index; - u32 urb_index_value; + u16 value; + u16 index; + u32 index_value; int rv; - urb_index_value = get_ftdi_divisor(tty, port); - urb_value = (u16)urb_index_value; - urb_index = (u16)(urb_index_value >> 16); + index_value = get_ftdi_divisor(tty, port); + value = (u16)index_value; + index = (u16)(index_value >> 16); if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) || (priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) { /* Probably the BM type needs the MSB of the encoded fractional * divider also moved like for the chips above. Any infos? */ - urb_index = (u16)((urb_index << 8) | priv->interface); + index = (u16)((index << 8) | priv->interface); } rv = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_BAUDRATE_REQUEST, FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, - urb_value, urb_index, + value, index, NULL, 0, WDR_SHORT_TIMEOUT); return rv; } @@ -2140,29 +2139,29 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - u16 urb_value; + u16 value; /* break_state = -1 to turn on break, and 0 to turn off break */ /* see drivers/char/tty_io.c to see it used */ - /* last_set_data_urb_value NEVER has the break bit set in it */ + /* last_set_data_value NEVER has the break bit set in it */ if (break_state) - urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; + value = priv->last_set_data_value | FTDI_SIO_SET_BREAK; else - urb_value = priv->last_set_data_urb_value; + value = priv->last_set_data_value; if (usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), FTDI_SIO_SET_DATA_REQUEST, FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , priv->interface, + value , priv->interface, NULL, 0, WDR_TIMEOUT) < 0) { dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n", __func__, break_state); } dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__, - break_state, urb_value); + break_state, value); } @@ -2192,7 +2191,7 @@ static void ftdi_set_termios(struct tty_struct *tty, struct ftdi_private *priv = usb_get_serial_port_data(port); struct ktermios *termios = &tty->termios; unsigned int cflag = termios->c_cflag; - u16 urb_value; /* will hold the new flags */ + u16 value; /* Added for xon/xoff support */ unsigned int iflag = termios->c_iflag; @@ -2258,44 +2257,44 @@ static void ftdi_set_termios(struct tty_struct *tty, no_skip: /* Set number of data bits, parity, stop bits */ - urb_value = 0; - urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : - FTDI_SIO_SET_DATA_STOP_BITS_1); + value = 0; + value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : + FTDI_SIO_SET_DATA_STOP_BITS_1); if (cflag & PARENB) { if (cflag & CMSPAR) - urb_value |= cflag & PARODD ? - FTDI_SIO_SET_DATA_PARITY_MARK : - FTDI_SIO_SET_DATA_PARITY_SPACE; + value |= cflag & PARODD ? + FTDI_SIO_SET_DATA_PARITY_MARK : + FTDI_SIO_SET_DATA_PARITY_SPACE; else - urb_value |= cflag & PARODD ? - FTDI_SIO_SET_DATA_PARITY_ODD : - FTDI_SIO_SET_DATA_PARITY_EVEN; + value |= cflag & PARODD ? + FTDI_SIO_SET_DATA_PARITY_ODD : + FTDI_SIO_SET_DATA_PARITY_EVEN; } else { - urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE; + value |= FTDI_SIO_SET_DATA_PARITY_NONE; } switch (cflag & CSIZE) { case CS5: dev_dbg(ddev, "Setting CS5 quirk\n"); break; case CS7: - urb_value |= 7; + value |= 7; dev_dbg(ddev, "Setting CS7\n"); break; default: case CS8: - urb_value |= 8; + value |= 8; dev_dbg(ddev, "Setting CS8\n"); break; } /* This is needed by the break command since it uses the same command - but is or'ed with this value */ - priv->last_set_data_urb_value = urb_value; + priv->last_set_data_value = value; if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), FTDI_SIO_SET_DATA_REQUEST, FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , priv->interface, + value , priv->interface, NULL, 0, WDR_SHORT_TIMEOUT) < 0) { dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n", __func__); @@ -2354,13 +2353,13 @@ no_c_cflag_changes: */ vstart = termios->c_cc[VSTART]; vstop = termios->c_cc[VSTOP]; - urb_value = (vstop << 8) | (vstart); + value = (vstop << 8) | (vstart); if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), FTDI_SIO_SET_FLOW_CTRL_REQUEST, FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - urb_value , (FTDI_SIO_XON_XOFF_HS + value , (FTDI_SIO_XON_XOFF_HS | priv->interface), NULL, 0, WDR_TIMEOUT) < 0) { dev_err(&port->dev, "urb failed to set to " |