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authorJohan Hovold <johan@kernel.org>2018-05-18 15:25:49 +0200
committerJohan Hovold <johan@kernel.org>2018-05-21 10:04:26 +0200
commit1641011549784699e013c7ccfebbd0d5a3dc41e7 (patch)
tree35607b67fc5f0df4e2273201577304233d5a0023 /drivers/usb/serial/ftdi_sio.c
parentfd54a99aec18fe47c3035a38815bcbeba09100cc (diff)
downloadlinux-1641011549784699e013c7ccfebbd0d5a3dc41e7.tar.gz
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.c83
1 files changed, 41 insertions, 42 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0d24da03a4a311..3d7f181e7e2afb 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 "