From a5db482640c7b926357cf984701caafa8e0f8843 Mon Sep 17 00:00:00 2001
From: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Date: Sat, 29 Dec 2018 13:48:29 +0100
Subject: [PATCH] n_tty: update comment for WAKEUP_CHARS define

Give a better descriptions of what WAKEUP_CHARS represents.

Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/n_tty.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 5dc9686..9cdb0fa 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -50,8 +50,10 @@
 #include <linux/ratelimit.h>
 #include <linux/vmalloc.h>
 
-
-/* number of characters left in xmit buffer before select has we have room */
+/*
+ * Until this number of characters is queued in the xmit buffer, select will
+ * return "we have room for writes".
+ */
 #define WAKEUP_CHARS 256
 
 /*
-- 
2.7.4