Switch to the generic get_icount implementation.
Note that the interrupt counters will no longer be reset at open which
is in accordance with which how the other drivers work.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
drivers/usb/serial/io_edgeport.c | 45 +++++++---------------------------------
drivers/usb/serial/io_tables.h | 8 +++----
2 files changed, 11 insertions(+), 42 deletions(-)
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index c81b682..fe131e9 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -112,7 +112,6 @@ struct edgeport_port {
wait_queue_head_t wait_command; /* for handling sleeping while waiting for command to finish */
wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */
- struct async_icount icount;
struct usb_serial_port *port; /* loop back to the owner of this object */
};
@@ -216,8 +215,6 @@ static void edge_break(struct tty_struct *tty, int break_state);
static int edge_tiocmget(struct tty_struct *tty);
static int edge_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
-static int edge_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *icount);
static int edge_startup(struct usb_serial *serial);
static void edge_disconnect(struct usb_serial *serial);
static void edge_release(struct usb_serial *serial);
@@ -887,9 +884,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
init_waitqueue_head(&edge_port->delta_msr_wait);
init_waitqueue_head(&edge_port->wait_command);
- /* initialize our icount structure */
- memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount));
-
/* initialize our port settings */
edge_port->txCredits = 0; /* Can't send any data yet */
/* Must always set this bit to enable ints! */
@@ -1316,7 +1310,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial,
/* decrement the number of credits we have by the number we just sent */
edge_port->txCredits -= count;
- edge_port->icount.tx += count;
+ edge_port->port->icount.tx += count;
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
@@ -1328,7 +1322,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial,
/* revert the credits as something bad happened. */
edge_port->txCredits += count;
- edge_port->icount.tx -= count;
+ edge_port->port->icount.tx -= count;
}
dev_dbg(dev, "%s wrote %d byte(s) TxCredit %d, Fifo %d\n",
__func__, count, edge_port->txCredits, fifo->count);
@@ -1590,31 +1584,6 @@ 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 cnow;
- cnow = edge_port->icount;
-
- icount->cts = cnow.cts;
- icount->dsr = cnow.dsr;
- icount->rng = cnow.rng;
- icount->dcd = cnow.dcd;
- icount->rx = cnow.rx;
- icount->tx = cnow.tx;
- icount->frame = cnow.frame;
- icount->overrun = cnow.overrun;
- icount->parity = cnow.parity;
- icount->brk = cnow.brk;
- icount->buf_overrun = cnow.buf_overrun;
-
- dev_dbg(&port->dev, "%s (%d) TIOCGICOUNT RX=%d, TX=%d\n", __func__,
- port->number, icount->rx, icount->tx);
- return 0;
-}
-
static int get_serial_info(struct edgeport_port *edge_port,
struct serial_struct __user *retinfo)
{
@@ -1667,7 +1636,7 @@ static int edge_ioctl(struct tty_struct *tty,
case TIOCMIWAIT:
dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__, port->number);
- cprev = edge_port->icount;
+ cprev = port->icount;
while (1) {
prepare_to_wait(&edge_port->delta_msr_wait,
&wait, TASK_INTERRUPTIBLE);
@@ -1680,7 +1649,7 @@ static int edge_ioctl(struct tty_struct *tty,
if (port->serial->disconnected)
return -EIO;
- cnow = edge_port->icount;
+ cnow = port->icount;
if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
@@ -1866,7 +1835,7 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
edge_serial->rxPort);
edge_tty_recv(edge_port->port, buffer,
rxLen);
- edge_port->icount.rx += rxLen;
+ edge_port->port->icount.rx += rxLen;
}
buffer += rxLen;
}
@@ -2042,7 +2011,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 newMsr)
if (newMsr & (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 (newMsr & EDGEPORT_MSR_DELTA_CTS)
@@ -2088,7 +2057,7 @@ static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData,
edge_tty_recv(edge_port->port, &data, 1);
/* update input line counters */
- icount = &edge_port->icount;
+ icount = &edge_port->port->icount;
if (newLsr & LSR_BREAK)
icount->brk++;
if (newLsr & LSR_OVER_ERR)
diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h
index 1511dd0..35fe9ad 100644
--- a/drivers/usb/serial/io_tables.h
+++ b/drivers/usb/serial/io_tables.h
@@ -116,7 +116,7 @@ static struct usb_serial_driver edgeport_2port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
- .get_icount = edge_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@@ -147,7 +147,7 @@ static struct usb_serial_driver edgeport_4port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
- .get_icount = edge_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@@ -178,7 +178,7 @@ static struct usb_serial_driver edgeport_8port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
- .get_icount = edge_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@@ -209,7 +209,7 @@ static struct usb_serial_driver epic_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
- .get_icount = edge_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
--
1.8.1.1
--
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