linux-kernel - [PATCH] n_tty: update comment for WAKEUP

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Message-Id: <20181229124829.3745-1-Valentin.Vidic@CARNet.hr>
Date:   Sat, 29 Dec 2018 13:48:29 +0100
From:   Valentin Vidic <Valentin.Vidic@...Net.hr>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
        Valentin Vidic <Valentin.Vidic@...Net.hr>
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@...Net.hr>
---
 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 3ad460219fd6..1dfbd45746da 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
 
 /*
-- 
2.20.1