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path: root/drivers/usb/serial/io_ti.c
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Diffstat (limited to 'drivers/usb/serial/io_ti.c')
-rw-r--r--drivers/usb/serial/io_ti.c97
1 files changed, 17 insertions, 80 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index c23776679f7..158bf4bc29c 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -86,10 +86,7 @@ struct edgeport_port {
int baud_rate;
int close_pending;
int lsr_event;
- struct async_icount icount;
- wait_queue_head_t delta_msr_wait; /* for handling sleeping while
- waiting for msr change to
- happen */
+
struct edgeport_serial *edge_serial;
struct usb_serial_port *port;
__u8 bUartMode; /* Port type, 0: RS232, etc. */
@@ -209,7 +206,7 @@ static int restart_read(struct edgeport_port *edge_port);
static void edge_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios);
-static void edge_send(struct tty_struct *tty);
+static void edge_send(struct usb_serial_port *port, struct tty_struct *tty);
/* sysfs attributes */
static int edge_create_sysfs_attrs(struct usb_serial_port *port);
@@ -1448,7 +1445,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR |
EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) {
- icount = &edge_port->icount;
+ icount = &edge_port->port->icount;
/* update input line counters */
if (msr & EDGEPORT_MSR_DELTA_CTS)
@@ -1459,7 +1456,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
icount->dcd++;
if (msr & EDGEPORT_MSR_DELTA_RI)
icount->rng++;
- wake_up_interruptible(&edge_port->delta_msr_wait);
+ wake_up_interruptible(&edge_port->port->port.delta_msr_wait);
}
/* Save the new modem status */
@@ -1501,7 +1498,7 @@ static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
edge_tty_recv(edge_port->port, &data, 1);
/* update input line counters */
- icount = &edge_port->icount;
+ icount = &edge_port->port->icount;
if (new_lsr & LSR_BREAK)
icount->brk++;
if (new_lsr & LSR_OVER_ERR)
@@ -1660,7 +1657,7 @@ static void edge_bulk_in_callback(struct urb *urb)
else
edge_tty_recv(edge_port->port, data,
urb->actual_length);
- edge_port->icount.rx += urb->actual_length;
+ edge_port->port->icount.rx += urb->actual_length;
}
exit:
@@ -1715,7 +1712,7 @@ static void edge_bulk_out_callback(struct urb *urb)
/* send any buffered data */
tty = tty_port_tty_get(&port->port);
- edge_send(tty);
+ edge_send(port, tty);
tty_kref_put(tty);
}
@@ -1753,9 +1750,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
dev = port->serial->dev;
- memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount));
- init_waitqueue_head(&edge_port->delta_msr_wait);
-
/* turn off loopback */
status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0);
if (status) {
@@ -1913,21 +1907,10 @@ static void edge_close(struct usb_serial_port *port)
kfifo_reset_out(&edge_port->write_fifo);
spin_unlock_irqrestore(&edge_port->ep_lock, flags);
- /* assuming we can still talk to the device,
- * send a close port command to it */
dev_dbg(&port->dev, "%s - send umpc_close_port\n", __func__);
port_number = port->number - port->serial->minor;
-
- mutex_lock(&serial->disc_mutex);
- if (!serial->disconnected) {
- send_cmd(serial->dev,
- UMPC_CLOSE_PORT,
- (__u8)(UMPM_UART1_PORT + port_number),
- 0,
- NULL,
- 0);
- }
- mutex_unlock(&serial->disc_mutex);
+ send_cmd(serial->dev, UMPC_CLOSE_PORT,
+ (__u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0);
mutex_lock(&edge_serial->es_lock);
--edge_port->edge_serial->num_ports_open;
@@ -1957,14 +1940,13 @@ static int edge_write(struct tty_struct *tty, struct usb_serial_port *port,
count = kfifo_in_locked(&edge_port->write_fifo, data, count,
&edge_port->ep_lock);
- edge_send(tty);
+ edge_send(port, tty);
return count;
}
-static void edge_send(struct tty_struct *tty)
+static void edge_send(struct usb_serial_port *port, struct tty_struct *tty)
{
- struct usb_serial_port *port = tty->driver_data;
int count, result;
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
unsigned long flags;
@@ -2003,7 +1985,7 @@ static void edge_send(struct tty_struct *tty)
edge_port->ep_write_urb_in_use = 0;
/* TODO: reschedule edge_send */
} else
- edge_port->icount.tx += count;
+ edge_port->port->icount.tx += count;
/* wakeup any process waiting for writes to complete */
/* there is now more room in the buffer for new writes */
@@ -2364,27 +2346,6 @@ static int edge_tiocmget(struct tty_struct *tty)
return result;
}
-static int edge_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *icount)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct edgeport_port *edge_port = usb_get_serial_port_data(port);
- struct async_icount *ic = &edge_port->icount;
-
- icount->cts = ic->cts;
- icount->dsr = ic->dsr;
- icount->rng = ic->rng;
- icount->dcd = ic->dcd;
- icount->tx = ic->tx;
- icount->rx = ic->rx;
- icount->frame = ic->frame;
- icount->parity = ic->parity;
- icount->overrun = ic->overrun;
- icount->brk = ic->brk;
- icount->buf_overrun = ic->buf_overrun;
- return 0;
-}
-
static int get_serial_info(struct edgeport_port *edge_port,
struct serial_struct __user *retinfo)
{
@@ -2396,7 +2357,7 @@ static int get_serial_info(struct edgeport_port *edge_port,
cwait = edge_port->port->port.closing_wait;
if (cwait != ASYNC_CLOSING_WAIT_NONE)
- cwait = jiffies_to_msecs(closing_wait) / 10;
+ cwait = jiffies_to_msecs(cwait) / 10;
memset(&tmp, 0, sizeof(tmp));
@@ -2420,8 +2381,6 @@ static int edge_ioctl(struct tty_struct *tty,
{
struct usb_serial_port *port = tty->driver_data;
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
- struct async_icount cnow;
- struct async_icount cprev;
dev_dbg(&port->dev, "%s - port %d, cmd = 0x%x\n", __func__, port->number, cmd);
@@ -2430,28 +2389,6 @@ static int edge_ioctl(struct tty_struct *tty,
dev_dbg(&port->dev, "%s - TIOCGSERIAL\n", __func__);
return get_serial_info(edge_port,
(struct serial_struct __user *) arg);
- case TIOCMIWAIT:
- dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__);
- cprev = edge_port->icount;
- while (1) {
- interruptible_sleep_on(&edge_port->delta_msr_wait);
- /* see if a signal did it */
- if (signal_pending(current))
- return -ERESTARTSYS;
- cnow = edge_port->icount;
- if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
- cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
- return -EIO; /* no change => error */
- if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
- return 0;
- }
- cprev = cnow;
- }
- /* not reached */
- break;
}
return -ENOIOCTLCMD;
}
@@ -2463,8 +2400,6 @@ static void edge_break(struct tty_struct *tty, int break_state)
int status;
int bv = 0; /* Off */
- tty_wait_until_sent(tty, 0);
-
if (break_state == -1)
bv = 1; /* On */
status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv);
@@ -2546,7 +2481,6 @@ static int edge_port_remove(struct usb_serial_port *port)
struct edgeport_port *edge_port;
edge_port = usb_get_serial_port_data(port);
-
edge_remove_sysfs_attrs(port);
kfifo_free(&edge_port->write_fifo);
kfree(edge_port);
@@ -2618,7 +2552,8 @@ static struct usb_serial_driver edgeport_1port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
- .get_icount = edge_get_icount,
+ .tiocmiwait = usb_serial_generic_tiocmiwait,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@@ -2649,6 +2584,8 @@ static struct usb_serial_driver edgeport_2port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
+ .tiocmiwait = usb_serial_generic_tiocmiwait,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-29 08:07:34 +0000