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TTY: usb/u_serial use close_wait from tty_port

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Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby
2012-04-02 13:54:49 +02:00
committed by Greg Kroah-Hartman
parent 35f95fd7f2
commit 3d5ea59d35
1 changed files with 2 additions and 5 deletions
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7
drivers/usb/gadget/u_serial.c
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@@ -102,8 +102,6 @@ struct gs_port {
bool openclose; /* open/close in progress */
u8 port_num;
wait_queue_head_t close_wait; /* wait for last close */
struct list_head read_pool;
int read_started;
int read_allocated;
@@ -885,7 +883,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
pr_debug("gs_close: ttyGS%d (%p,%p) done!\n",
port->port_num, tty, file);
wake_up_interruptible(&port->close_wait);
wake_up_interruptible(&port->port.close_wait);
exit:
spin_unlock_irq(&port->port_lock);
}
@@ -1035,7 +1033,6 @@ gs_port_alloc(unsigned port_num, struct usb_cdc_line_coding *coding)
tty_port_init(&port->port);
spin_lock_init(&port->port_lock);
init_waitqueue_head(&port->close_wait);
init_waitqueue_head(&port->drain_wait);
tasklet_init(&port->push, gs_rx_push, (unsigned long) port);
@@ -1194,7 +1191,7 @@ void gserial_cleanup(void)
tasklet_kill(&port->push);
/* wait for old opens to finish */
wait_event(port->close_wait, gs_closed(port));
wait_event(port->port.close_wait, gs_closed(port));
WARN_ON(port->port_usb != NULL);