From bd3a2b96631dd86b06dca96aef00790084a11e15 Mon Sep 17 00:00:00 2001
From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Fri, 26 Nov 2010 19:57:36 +0000
Subject: HID: roccat: declare meaning of pack pragma usage in driver headers

Using pack pragma to prevent padding bytes in binary data structures
used for hardware communication. Explanation of these pragmas was requested.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-roccat-pyra.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/hid/hid-roccat-pyra.h')

diff --git a/drivers/hid/hid-roccat-pyra.h b/drivers/hid/hid-roccat-pyra.h
index 22f80a8f26f9..ac5996e8817c 100644
--- a/drivers/hid/hid-roccat-pyra.h
+++ b/drivers/hid/hid-roccat-pyra.h
@@ -14,6 +14,9 @@
 
 #include <linux/types.h>
 
+/*
+ * Binary data structures used for hardware communication must have no padding.
+ */
 #pragma pack(push)
 #pragma pack(1)
 
-- 
cgit