diff options
Diffstat (limited to 'drivers/tty/nozomi.c')
| -rw-r--r-- | drivers/tty/nozomi.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index 2dff1979615..cd042936955 100644 --- 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; } @@ -963,7 +959,7 @@ static int receive_flow_control(struct nozomi *dc) dev_err(&dc->pdev->dev, "ERROR: flow control received for non-existing port\n"); return 0; - }; + } DBG1("0x%04X->0x%04X", *((u16 *)&dc->port[port].ctrl_dl), *((u16 *)&ctrl_dl)); @@ -1029,7 +1025,7 @@ static enum ctrl_port_type port2ctrl(enum port_type port, dev_err(&dc->pdev->dev, "ERROR: send flow control " \ "received for non-existing port\n"); - }; + } return CTRL_ERROR; } @@ -1505,12 +1501,9 @@ static void tty_exit(struct nozomi *dc) DBG1(" "); - for (i = 0; i < MAX_PORT; ++i) { - struct tty_struct *tty = tty_port_tty_get(&dc->port[i].port); - if (tty && list_empty(&tty->hangup_work.entry)) - tty_hangup(tty); - tty_kref_put(tty); - } + for (i = 0; i < MAX_PORT; ++i) + tty_port_tty_hangup(&dc->port[i].port, false); + /* Racy below - surely should wait for scheduled work to be done or complete off a hangup method ? */ while (dc->open_ttys) @@ -1812,7 +1805,7 @@ static int ntty_ioctl(struct tty_struct *tty, default: DBG1("ERR: 0x%08X, %d", cmd, cmd); break; - }; + } return rval; } |