X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fssu100.c;h=4543ea35022939976886dc576b7e6c1f2d37584c;hb=2e124b4a390ca85325fae75764bef92f0547fa25;hp=868d1e6852e2ab6086a354cd62a352a241cb51c7;hpb=546694bc42a4ee4f1a5d2f14e1c71d11fdafba4d;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 868d1e6852e2..58bc7e793524 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -46,8 +46,6 @@
 #define FULLPWRBIT          0x00000080
 #define NEXT_BOARD_POWER_BIT        0x00000004
 
-/* Version Information */
-#define DRIVER_VERSION "v0.1"
 #define DRIVER_DESC "Quatech SSU-100 USB to Serial Driver"
 
 #define	USB_VENDOR_ID_QUATECH	0x061d	/* Quatech VID */
@@ -584,8 +582,7 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr,
 
 }
 
-static int ssu100_process_packet(struct urb *urb,
-				 struct tty_struct *tty)
+static void ssu100_process_read_urb(struct urb *urb)
 {
 	struct usb_serial_port *port = urb->context;
 	char *packet = (char *)urb->transfer_buffer;
@@ -600,7 +597,8 @@ static int ssu100_process_packet(struct urb *urb,
 		if (packet[2] == 0x00) {
 			ssu100_update_lsr(port, packet[3], &flag);
 			if (flag == TTY_OVERRUN)
-				tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+				tty_insert_flip_char(&port->port, 0,
+						TTY_OVERRUN);
 		}
 		if (packet[2] == 0x01)
 			ssu100_update_msr(port, packet[3]);
@@ -611,34 +609,17 @@ static int ssu100_process_packet(struct urb *urb,
 		ch = packet;
 
 	if (!len)
-		return 0;	/* status only */
+		return;	/* status only */
 
 	if (port->port.console && port->sysrq) {
 		for (i = 0; i < len; i++, ch++) {
 			if (!usb_serial_handle_sysrq_char(port, *ch))
-				tty_insert_flip_char(tty, *ch, flag);
+				tty_insert_flip_char(&port->port, *ch, flag);
 		}
 	} else
-		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
-
-	return len;
-}
-
-static void ssu100_process_read_urb(struct urb *urb)
-{
-	struct usb_serial_port *port = urb->context;
-	struct tty_struct *tty;
-	int count;
-
-	tty = tty_port_tty_get(&port->port);
-	if (!tty)
-		return;
-
-	count = ssu100_process_packet(urb, tty);
+		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
 
-	if (count)
-		tty_flip_buffer_push(tty);
-	tty_kref_put(tty);
+	tty_flip_buffer_push(&port->port);
 }
 
 static struct usb_serial_driver ssu100_device = {