lkml.org 
[lkml]   [2017]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 2/2] USB: serial: ark3116.c: Move TIOCGSERIAL ioctl case to function.
The patch moves TIOCGSERIAL ioctl case to get_serial_info function.

Signed-off-by: Mikhail Zaytsev <flashed@mail.ru>
---
drivers/usb/serial/ark3116.c | 35 +++++++++++++++++++++--------------
1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 2e957c76f..2ce8fe10e 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -36,6 +36,7 @@
#define DRIVER_DESC "USB ARK3116 serial/IrDA driver"
#define DRIVER_DEV_DESC "ARK3116 RS232/IrDA"
#define DRIVER_NAME "ark3116"
+#define ARK3116_BAUDRATE 460800

/* usb timeout of 1 second */
#define ARK_TIMEOUT 1000
@@ -397,27 +398,33 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
return result;
}

+static int ark3116_get_serial_info(struct usb_serial_port *port,
+ unsigned long arg)
+{
+ struct serial_struct ser;
+
+ memset(&ser, 0, sizeof(ser));
+
+ ser.type = PORT_16654;
+ ser.line = port->minor;
+ ser.port = port->port_number;
+ ser.custom_divisor = 0;
+ ser.baud_base = ARK3116_BAUDRATE;
+
+ if (copy_to_user((void __user *)arg, &ser, sizeof(ser)))
+ return -EFAULT;
+
+ return 0;
+}
+
static int ark3116_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg)
{
struct usb_serial_port *port = tty->driver_data;
- struct serial_struct serstruct;
- void __user *user_arg = (void __user *)arg;

switch (cmd) {
case TIOCGSERIAL:
- /* XXX: Some of these values are probably wrong. */
- memset(&serstruct, 0, sizeof(serstruct));
- serstruct.type = PORT_16654;
- serstruct.line = port->minor;
- serstruct.port = port->port_number;
- serstruct.custom_divisor = 0;
- serstruct.baud_base = 460800;
-
- if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
- return -EFAULT;
-
- return 0;
+ return ark3116_get_serial_info(port, arg);
default:
break;
}
--
2.11.0
\
 
 \ /
  Last update: 2017-12-13 14:45    [W:0.047 / U:2.164 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site