tty: Replace ASYNC_INITIALIZED bit and update atomically

[mirror_ubuntu-artful-kernel.git] / drivers / tty / moxa.c

diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index ce521d3f58cb1ffdb865c23832c20a60dfb6b9c1..60d37b225589c25a509591f3076af353a19c752f 100644 (file)
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -912,7 +912,7 @@ static void moxa_board_deinit(struct moxa_board_conf *brd)
 
        /* pci hot-un-plug support */
        for (a = 0; a < brd->numPorts; a++)
-               if (brd->ports[a].port.flags & ASYNC_INITIALIZED)
+               if (tty_port_initialized(&brd->ports[a].port))
                        tty_port_tty_hangup(&brd->ports[a].port, false);
 
        for (a = 0; a < MAX_PORTS_PER_BOARD; a++)
@@ -921,7 +921,7 @@ static void moxa_board_deinit(struct moxa_board_conf *brd)
        while (1) {
                opened = 0;
                for (a = 0; a < brd->numPorts; a++)
-                       if (brd->ports[a].port.flags & ASYNC_INITIALIZED)
+                       if (tty_port_initialized(&brd->ports[a].port))
                                opened++;
                mutex_unlock(&moxa_openlock);
                if (!opened)
@@ -1192,13 +1192,13 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
        tty->driver_data = ch;
        tty_port_tty_set(&ch->port, tty);
        mutex_lock(&ch->port.mutex);
-       if (!(ch->port.flags & ASYNC_INITIALIZED)) {
+       if (!tty_port_initialized(&ch->port)) {
                ch->statusflags = 0;
                moxa_set_tty_param(tty, &tty->termios);
                MoxaPortLineCtrl(ch, 1, 1);
                MoxaPortEnable(ch);
                MoxaSetFifo(ch, ch->type == PORT_16550A);
-               ch->port.flags |= ASYNC_INITIALIZED;
+               tty_port_set_initialized(&ch->port, 1);
        }
        mutex_unlock(&ch->port.mutex);
        mutex_unlock(&moxa_openlock);
@@ -1379,7 +1379,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
 {
        struct tty_struct *tty = tty_port_tty_get(&p->port);
        void __iomem *ofsAddr;
-       unsigned int inited = p->port.flags & ASYNC_INITIALIZED;
+       unsigned int inited = tty_port_initialized(&p->port);
        u16 intr;
 
        if (tty) {