[PATCH 4/5] TTY: use tty_wait_until_sent_from_close in tty_port_close_start
From: Jiri Slaby <hidden>
Date: 2011-08-25 13:12:19
Also in:
lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Let's use the newly added helper to avoid stalls in drivers which are already ported to tty_port helpers. We have to ensure here, that there is no user of tty_port_close_start and tty_port_close which holds port->mutex (or other) lock over them. And sure, there is none. Signed-off-by: Jiri Slaby <redacted> --- drivers/tty/tty_port.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 33d37d2..ef9dd62 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c@@ -350,7 +350,7 @@ int tty_port_close_start(struct tty_port *port, tty_driver_flush_buffer(tty); if (test_bit(ASYNCB_INITIALIZED, &port->flags) && port->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, port->closing_wait); + tty_wait_until_sent_from_close(tty, port->closing_wait); if (port->drain_delay) { unsigned int bps = tty_get_baud_rate(tty); long timeout;
--
1.7.6