From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Hurley Subject: [PATCH 3/7] usb: gadget: gserial: Privatize close_wait Date: Sat, 10 Oct 2015 16:00:53 -0400 Message-ID: <1444507257-7513-4-git-send-email-peter@hurleysoftware.com> References: <1444507257-7513-1-git-send-email-peter@hurleysoftware.com> Return-path: In-Reply-To: <1444507257-7513-1-git-send-email-peter@hurleysoftware.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman Cc: Jiri Slaby , Alan Cox , David Laight , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, netdev@vger.kernel.org, David Miller , Peter Hurley List-Id: linux-serial@vger.kernel.org close_wait is no longer needed or provided by the tty core. Move close_wait to struct gs_port. Signed-off-by: Peter Hurley --- 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); -- 2.6.1