TTY: switch tty_insert_flip_char

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

tty_insert_flip_char is the next one to proceed. This one is used all
over the code, so the patch is huge.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
index 0e86bff3fe2a..5cd180564c03 100644
--- a/drivers/tty/serial/lpc32xx_hs.c
+++ b/drivers/tty/serial/lpc32xx_hs.c
@@ -257,8 +257,9 @@ static void __serial_uart_flush(struct uart_port *port)
 
 static void __serial_lpc32xx_rx(struct uart_port *port)
 {
+        struct tty_port *tport = &port->state->port;
         unsigned int tmp, flag;
-        struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+        struct tty_struct *tty = tty_port_tty_get(tport);
 
         if (!tty) {
                 /* Discard data: no tty available */
@@ -281,10 +282,10 @@ static void __serial_lpc32xx_rx(struct uart_port *port)
                                LPC32XX_HSUART_IIR(port->membase));
                         port->icount.frame++;
                         flag = TTY_FRAME;
-                        tty_insert_flip_char(tty, 0, TTY_FRAME);
+                        tty_insert_flip_char(tport, 0, TTY_FRAME);
                 }
 
-                tty_insert_flip_char(tty, (tmp & 0xFF), flag);
+                tty_insert_flip_char(tport, (tmp & 0xFF), flag);
 
                 tmp = readl(LPC32XX_HSUART_FIFO(port->membase));
         }
@@ -332,7 +333,8 @@ exit_tx:
 static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
 {
         struct uart_port *port = dev_id;
-        struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+        struct tty_port *port = &port->state->port;
+        struct tty_struct *tty = tty_port_tty_get(tport);
         u32 status;
 
         spin_lock(&port->lock);
@@ -356,8 +358,8 @@ static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
                 writel(LPC32XX_HSU_RX_OE_INT,
                        LPC32XX_HSUART_IIR(port->membase));
                 port->icount.overrun++;
+                tty_insert_flip_char(tport, 0, TTY_OVERRUN);
                 if (tty) {
-                        tty_insert_flip_char(tty, 0, TTY_OVERRUN);
                         tty_schedule_flip(tty);
                 }
         }