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authorGeyslan G. Bem <geyslan@gmail.com>2015-12-11 06:46:41 -0300
committerJohan Hovold <johan@kernel.org>2015-12-11 11:05:20 +0100
commit232dce89b5b00078fcb633322edadf8badae326a (patch)
treed4dd54c2deabaed6f4b844c28a28f19ba5d3b20d /drivers/usb/serial
parentUSB: cp210x: add tx_empty() (diff)
downloadlinux-dev-232dce89b5b00078fcb633322edadf8badae326a.tar.xz
linux-dev-232dce89b5b00078fcb633322edadf8badae326a.zip
USB: io_edgeport: remove redundant conditions
This patch removes redundant conditions. (!A || (A && B)) is the same as (!A || B). Tested by compilation only. Caught by cppcheck. Signed-off-by: Geyslan G. Bem <geyslan@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/io_edgeport.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index c0866971db2b..f49327d20ee8 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1046,9 +1046,8 @@ static void edge_close(struct usb_serial_port *port)
edge_port->closePending = true;
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPChase))) {
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPChase) {
/* flush and chase */
edge_port->chaseResponsePending = true;
@@ -1061,9 +1060,8 @@ static void edge_close(struct usb_serial_port *port)
edge_port->chaseResponsePending = false;
}
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPClose))) {
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPClose) {
/* close the port */
dev_dbg(&port->dev, "%s - Sending IOSP_CMD_CLOSE_PORT\n", __func__);
send_iosp_ext_cmd(edge_port, IOSP_CMD_CLOSE_PORT, 0);
@@ -1612,9 +1610,8 @@ static void edge_break(struct tty_struct *tty, int break_state)
struct edgeport_serial *edge_serial = usb_get_serial_data(port->serial);
int status;
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPChase))) {
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPChase) {
/* flush and chase */
edge_port->chaseResponsePending = true;
@@ -1628,9 +1625,8 @@ static void edge_break(struct tty_struct *tty, int break_state)
}
}
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPSetClrBreak))) {
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPSetClrBreak) {
if (break_state == -1) {
dev_dbg(&port->dev, "%s - Sending IOSP_CMD_SET_BREAK\n", __func__);
status = send_iosp_ext_cmd(edge_port,
@@ -2465,9 +2461,8 @@ static void change_port_settings(struct tty_struct *tty,
unsigned char stop_char = STOP_CHAR(tty);
unsigned char start_char = START_CHAR(tty);
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPSetXChar))) {
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPSetXChar) {
send_iosp_ext_cmd(edge_port,
IOSP_CMD_SET_XON_CHAR, start_char);
send_iosp_ext_cmd(edge_port,
@@ -2494,13 +2489,11 @@ static void change_port_settings(struct tty_struct *tty,
}
/* Set flow control to the configured value */
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPSetRxFlow)))
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPSetRxFlow)
send_iosp_ext_cmd(edge_port, IOSP_CMD_SET_RX_FLOW, rxFlow);
- if ((!edge_serial->is_epic) ||
- ((edge_serial->is_epic) &&
- (edge_serial->epic_descriptor.Supports.IOSPSetTxFlow)))
+ if (!edge_serial->is_epic ||
+ edge_serial->epic_descriptor.Supports.IOSPSetTxFlow)
send_iosp_ext_cmd(edge_port, IOSP_CMD_SET_TX_FLOW, txFlow);