[ forgot to addr Felipe here, sorry ]
On 10/10/2015 04:00 PM, Peter Hurley wrote:
> close_wait is no longer needed or provided by the tty core.
> Move close_wait to struct gs_port.
>
> Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/usb/gadget/function/u_serial.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
> index 7ee0579..42894f5 100644
> --- a/drivers/usb/gadget/function/u_serial.c
> +++ b/drivers/usb/gadget/function/u_serial.c
> @@ -114,6 +114,7 @@ struct gs_port {
> struct gs_buf port_write_buf;
> wait_queue_head_t drain_wait; /* wait while writes drain */
> bool write_busy;
> + wait_queue_head_t close_wait;
>
> /* REVISIT this state ... */
> struct usb_cdc_line_coding port_line_coding; /* 8-N-1 etc */
> @@ -884,7 +885,7 @@ 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(&port->port.close_wait);
> + wake_up(&port->close_wait);
> exit:
> spin_unlock_irq(&port->port_lock);
> }
> @@ -1044,6 +1045,7 @@ 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->drain_wait);
> + init_waitqueue_head(&port->close_wait);
>
> tasklet_init(&port->push, gs_rx_push, (unsigned long) port);
>
> @@ -1074,7 +1076,7 @@ static void gserial_free_port(struct gs_port *port)
> {
> tasklet_kill(&port->push);
> /* wait for old opens to finish */
> - wait_event(port->port.close_wait, gs_closed(port));
> + wait_event(port->close_wait, gs_closed(port));
> WARN_ON(port->port_usb != NULL);
> tty_port_destroy(&port->port);
> kfree(port);
>
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