TTY: add tty_port_tty_wakeup helper

[firefly-linux-kernel-4.4.55.git] / drivers / tty / nozomi.c

diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index 2dff19796157b8ffc9c7c8bfe4aa3806b362c814..2e5bbdc09e1ce3d671e462dae35906f7b2a2c0aa 100644 (file)
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -791,7 +791,6 @@ static int send_data(enum port_type index, struct nozomi *dc)
        const u8 toggle = port->toggle_ul;
        void __iomem *addr = port->ul_addr[toggle];
        const u32 ul_size = port->ul_size[toggle];
-       struct tty_struct *tty = tty_port_tty_get(&port->port);
 
        /* Get data from tty and place in buf for now */
        size = kfifo_out(&port->fifo_ul, dc->send_buf,
@@ -799,7 +798,6 @@ static int send_data(enum port_type index, struct nozomi *dc)
 
        if (size == 0) {
                DBG4("No more data to send, disable link:");
-               tty_kref_put(tty);
                return 0;
        }
 
@@ -809,10 +807,8 @@ static int send_data(enum port_type index, struct nozomi *dc)
        write_mem32(addr, (u32 *) &size, 4);
        write_mem32(addr + 4, (u32 *) dc->send_buf, size);
 
-       if (tty)
-               tty_wakeup(tty);
+       tty_port_tty_wakeup(&port->port);
 
-       tty_kref_put(tty);
        return 1;
 }