commit 5604a98e2f95d6221852960a3363588f40d78e22
author Peter Hurley <peter@hurleysoftware.com> Sat Apr 09 17:53:21 2016 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sat Apr 30 09:26:55 2016 -0700
tree d9573557cf616e8751fbde45ee56d8280e3eebcf
parent e4d38f334ad24f80229a8ebab26950de8e8f34d7

tty: Replace ASYNC_CTS_FLOW bit and update atomically

Replace ASYNC_CTS_FLOW bit in the tty_port::flags field with
TTY_PORT_CTS_FLOW bit in the tty_port::iflags field. Add
tty_port_set_cts_flow() helper to abstract the atomic bit ops.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/synclinkmp.c

diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
index b0cce4b..7a21491 100644
--- a/drivers/tty/synclinkmp.c
+++ b/drivers/tty/synclinkmp.c
@@ -2813,10 +2813,7 @@
 	}
 	info->timeout += HZ/50;		/* Add .02 seconds of slop */
 
-	if (cflag & CRTSCTS)
-		info->port.flags |= ASYNC_CTS_FLOW;
-	else
-		info->port.flags &= ~ASYNC_CTS_FLOW;
+	tty_port_set_cts_flow(&info->port, cflag & CRTSCTS);
 
 	if (cflag & CLOCAL)
 		info->port.flags &= ~ASYNC_CHECK_CD;