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authorPeter Hurley <peter@hurleysoftware.com>2016-04-09 17:53:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-30 09:26:55 -0700
commit5604a98e2f95d6221852960a3363588f40d78e22 (patch)
treed9573557cf616e8751fbde45ee56d8280e3eebcf /drivers/tty/isicom.c
parente4d38f334ad24f80229a8ebab26950de8e8f34d7 (diff)
downloadlinux-5604a98e2f95d6221852960a3363588f40d78e22.tar.gz
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>
Diffstat (limited to 'drivers/tty/isicom.c')
-rw-r--r--drivers/tty/isicom.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/isicom.c b/drivers/tty/isicom.c
index 8bf67630018b..c5f06b54b9ca 100644
--- a/drivers/tty/isicom.c
+++ b/drivers/tty/isicom.c
@@ -765,11 +765,9 @@ static void isicom_config_port(struct tty_struct *tty)
 
 	/* flow control settings ...*/
 	flow_ctrl = 0;
-	port->port.flags &= ~ASYNC_CTS_FLOW;
-	if (C_CRTSCTS(tty)) {
-		port->port.flags |= ASYNC_CTS_FLOW;
+	tty_port_set_cts_flow(&port->port, C_CRTSCTS(tty));
+	if (C_CRTSCTS(tty))
 		flow_ctrl |= ISICOM_CTSRTS;
-	}
 	if (I_IXON(tty))
 		flow_ctrl |= ISICOM_RESPOND_XONXOFF;
 	if (I_IXOFF(tty))