TTY: convert more flipping functions

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty pointer in
many call sites. Only tty_port will be needed and hence no more
tty_port_tty_get calls in those paths.

Now 4 string flipping ones are on turn:
* tty_insert_flip_string_flags
* tty_insert_flip_string_fixed_flag
* tty_prepare_flip_string
* tty_prepare_flip_string_flags

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index a88882c..e2d653d 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -705,7 +705,7 @@
 		if (lsr & UART_LSR_OE)
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
 	}
-	tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+	tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
 							urb->actual_length);
 	tty_flip_buffer_push(tty);
 	tty_kref_put(tty);
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index b72a4c1..a213d1b 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -279,7 +279,7 @@
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
 	}
 
-	tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+	tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
 							urb->actual_length);
 	tty_flip_buffer_push(tty);
 	tty_kref_put(tty);
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index fd8c35f..ac14e3e 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1215,7 +1215,7 @@
 
 	/* process read if there is data other than line status */
 	if (tty && bytes > i) {
-		tty_insert_flip_string_fixed_flag(tty, data + i,
+		tty_insert_flip_string_fixed_flag(&port->port, data + i,
 				tty_flag, bytes - i);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 45d4af6..efbc403 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1455,8 +1455,8 @@
 		/* data length is len-1 (one byte of len is port_status) */
 		--len;
 		if (len > 0) {
-			tty_insert_flip_string_fixed_flag(tty, data, flag,
-									len);
+			tty_insert_flip_string_fixed_flag(&port->port, data,
+					flag, len);
 			tty_flip_buffer_push(tty);
 		}
 	}
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 6e4eb57..a8c6430 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -140,7 +140,7 @@
 			if (!usb_serial_handle_sysrq_char(port, data[i]))
 				tty_insert_flip_char(tty, data[i], tty_flag);
 	} else {
-		tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+		tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
 							urb->actual_length);
 	}
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0a373b3..0416d95 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2032,7 +2032,7 @@
 				tty_insert_flip_char(tty, *ch, flag);
 		}
 	} else {
-		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
+		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
 	}
 
 	return len;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6002419..86789b0 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -812,7 +812,7 @@
 			if (!usb_serial_handle_sysrq_char(port, data[i]))
 				tty_insert_flip_char(tty, data[i], tty_flag);
 	} else {
-		tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+		tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
 							urb->actual_length);
 	}
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index a42536a..fa42f1b 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -505,7 +505,7 @@
 				   priv->line_status & MSR_STATUS_LINE_DCD);
 	}
 
-	tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+	tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
 							urb->actual_length);
 	tty_flip_buffer_push(tty);
 	tty_kref_put(tty);
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 4543ea3..37476c6 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -617,7 +617,7 @@
 				tty_insert_flip_char(tty, *ch, flag);
 		}
 	} else
-		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
+		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
 
 	return len;
 }