Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 4/5] TTY: use tty_wait_until_sent_from_close in tty_port_close_start | Date | Thu, 25 Aug 2011 15:12:07 +0200 |
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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 <jslaby@suse.cz> --- 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
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