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path: root/drivers/usb/serial/io_edgeport.c
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Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index f96b91da964f..b00e5cbf741f 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -232,8 +232,8 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
unsigned char *buffer, __u16 bufferLength);
static void process_rcvd_status(struct edgeport_serial *edge_serial,
__u8 byte2, __u8 byte3);
-static void edge_tty_recv(struct usb_serial_port *port, struct tty_struct *tty,
- unsigned char *data, int length);
+static void edge_tty_recv(struct usb_serial_port *port, unsigned char *data,
+ int length);
static void handle_new_msr(struct edgeport_port *edge_port, __u8 newMsr);
static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData,
__u8 lsr, __u8 data);
@@ -1752,7 +1752,6 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
struct device *dev = &edge_serial->serial->dev->dev;
struct usb_serial_port *port;
struct edgeport_port *edge_port;
- struct tty_struct *tty;
__u16 lastBufferLength;
__u16 rxLen;
@@ -1860,14 +1859,11 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
edge_serial->rxPort];
edge_port = usb_get_serial_port_data(port);
if (edge_port->open) {
- tty = tty_port_tty_get(
- &edge_port->port->port);
- if (tty) {
- dev_dbg(dev, "%s - Sending %d bytes to TTY for port %d\n",
- __func__, rxLen, edge_serial->rxPort);
- edge_tty_recv(edge_port->port, tty, buffer, rxLen);
- tty_kref_put(tty);
- }
+ dev_dbg(dev, "%s - Sending %d bytes to TTY for port %d\n",
+ __func__, rxLen,
+ edge_serial->rxPort);
+ edge_tty_recv(edge_port->port, buffer,
+ rxLen);
edge_port->icount.rx += rxLen;
}
buffer += rxLen;
@@ -2017,8 +2013,8 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
* edge_tty_recv
* this function passes data on to the tty flip buffer
*****************************************************************************/
-static void edge_tty_recv(struct usb_serial_port *port, struct tty_struct *tty,
- unsigned char *data, int length)
+static void edge_tty_recv(struct usb_serial_port *port, unsigned char *data,
+ int length)
{
int cnt;
@@ -2030,7 +2026,7 @@ static void edge_tty_recv(struct usb_serial_port *port, struct tty_struct *tty,
data += cnt;
length -= cnt;
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(&port->port);
}
@@ -2086,14 +2082,9 @@ static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData,
}
/* Place LSR data byte into Rx buffer */
- if (lsrData) {
- struct tty_struct *tty =
- tty_port_tty_get(&edge_port->port->port);
- if (tty) {
- edge_tty_recv(edge_port->port, tty, &data, 1);
- tty_kref_put(tty);
- }
- }
+ if (lsrData)
+ edge_tty_recv(edge_port->port, &data, 1);
+
/* update input line counters */
icount = &edge_port->icount;
if (newLsr & LSR_BREAK)