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path: root/drivers/usb/serial/ark3116.c
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Diffstat (limited to 'drivers/usb/serial/ark3116.c')
-rw-r--r--drivers/usb/serial/ark3116.c65
1 files changed, 14 insertions, 51 deletions
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index ff38aa8963cf..800b04fe37fa 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -178,30 +178,18 @@ static int ark3116_port_probe(struct usb_serial_port *port)
return 0;
}
-static int ark3116_port_remove(struct usb_serial_port *port)
+static void ark3116_port_remove(struct usb_serial_port *port)
{
struct ark3116_private *priv = usb_get_serial_port_data(port);
/* device is closed, so URBs and DMA should be down */
mutex_destroy(&priv->hw_lock);
kfree(priv);
-
- return 0;
-}
-
-static void ark3116_init_termios(struct tty_struct *tty)
-{
- struct ktermios *termios = &tty->termios;
- *termios = tty_std_termios;
- termios->c_cflag = B9600 | CS8
- | CREAD | HUPCL | CLOCAL;
- termios->c_ispeed = 9600;
- termios->c_ospeed = 9600;
}
static void ark3116_set_termios(struct tty_struct *tty,
struct usb_serial_port *port,
- struct ktermios *old_termios)
+ const struct ktermios *old_termios)
{
struct usb_serial *serial = port->serial;
struct ark3116_private *priv = usb_get_serial_port_data(port);
@@ -212,31 +200,17 @@ static void ark3116_set_termios(struct tty_struct *tty,
__u8 lcr, hcr, eval;
/* set data bit count */
- switch (cflag & CSIZE) {
- case CS5:
- lcr = UART_LCR_WLEN5;
- break;
- case CS6:
- lcr = UART_LCR_WLEN6;
- break;
- case CS7:
- lcr = UART_LCR_WLEN7;
- break;
- default:
- case CS8:
- lcr = UART_LCR_WLEN8;
- break;
- }
+ lcr = UART_LCR_WLEN(tty_get_char_size(cflag));
+
if (cflag & CSTOPB)
lcr |= UART_LCR_STOP;
if (cflag & PARENB)
lcr |= UART_LCR_PARITY;
if (!(cflag & PARODD))
lcr |= UART_LCR_EPAR;
-#ifdef CMSPAR
if (cflag & CMSPAR)
lcr |= UART_LCR_SPAR;
-#endif
+
/* handshake control */
hcr = (cflag & CRTSCTS) ? 0x03 : 0x00;
@@ -397,18 +371,6 @@ err_free:
return result;
}
-static int ark3116_get_serial_info(struct tty_struct *tty,
- struct serial_struct *ss)
-{
- struct usb_serial_port *port = tty->driver_data;
-
- ss->type = PORT_16654;
- ss->line = port->minor;
- ss->port = port->port_number;
- ss->baud_base = 460800;
- return 0;
-}
-
static int ark3116_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
@@ -471,10 +433,11 @@ static int ark3116_tiocmset(struct tty_struct *tty,
return 0;
}
-static void ark3116_break_ctl(struct tty_struct *tty, int break_state)
+static int ark3116_break_ctl(struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
struct ark3116_private *priv = usb_get_serial_port_data(port);
+ int ret;
/* LCR is also used for other things: protect access */
mutex_lock(&priv->hw_lock);
@@ -484,9 +447,11 @@ static void ark3116_break_ctl(struct tty_struct *tty, int break_state)
else
priv->lcr &= ~UART_LCR_SBC;
- ark3116_write_reg(port->serial, UART_LCR, priv->lcr);
+ ret = ark3116_write_reg(port->serial, UART_LCR, priv->lcr);
mutex_unlock(&priv->hw_lock);
+
+ return ret;
}
static void ark3116_update_msr(struct usb_serial_port *port, __u8 msr)
@@ -634,7 +599,6 @@ static void ark3116_process_read_urb(struct urb *urb)
static struct usb_serial_driver ark3116_device = {
.driver = {
- .owner = THIS_MODULE,
.name = "ark3116",
},
.id_table = id_table,
@@ -645,8 +609,6 @@ static struct usb_serial_driver ark3116_device = {
.port_probe = ark3116_port_probe,
.port_remove = ark3116_port_remove,
.set_termios = ark3116_set_termios,
- .init_termios = ark3116_init_termios,
- .get_serial = ark3116_get_serial_info,
.tiocmget = ark3116_tiocmget,
.tiocmset = ark3116_tiocmset,
.tiocmiwait = usb_serial_generic_tiocmiwait,
@@ -730,9 +692,10 @@ MODULE_DESCRIPTION(DRIVER_DESC);
* hardware bug or something.
*
* According to a patch provided here
- * (http://lkml.org/lkml/2009/7/26/56), the ARK3116 can also be used
- * as an IrDA dongle. Since I do not have such a thing, I could not
- * investigate that aspect. However, I can speculate ;-).
+ * https://lore.kernel.org/lkml/200907261419.50702.linux@rainbow-software.org
+ * the ARK3116 can also be used as an IrDA dongle. Since I do not have
+ * such a thing, I could not investigate that aspect. However, I can
+ * speculate ;-).
*
* - IrDA encodes data differently than RS232. Most likely, one of
* the bits in registers 9..E enables the IR ENDEC (encoder/decoder).