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authorValentin Vidic <Valentin.Vidic@CARNet.hr>2018-12-29 15:48:29 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-18 15:25:11 +0300
commita5db482640c7b926357cf984701caafa8e0f8843 (patch)
tree115a33428b03b37c61de8ac47f9d7aa8712fd249 /drivers/tty/n_tty.c
parent4feb7a4a1244447a93b4852307a95e1b5d05bde4 (diff)
downloadlinux-a5db482640c7b926357cf984701caafa8e0f8843.tar.xz
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>
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r--drivers/tty/n_tty.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 5dc9686697cf..9cdb0fa3c4bf 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
/*