From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: Fri, 26 Nov 2010 19:57:36 +0000 (+0000)
Subject: HID: roccat: declare meaning of pack pragma usage in driver headers
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bd3a2b96631dd86b06dca96aef00790084a11e15;p=linux.git

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>
---

diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h
index 130d6566ea826..11203a75b0f99 100644
--- a/drivers/hid/hid-roccat-kone.h
+++ b/drivers/hid/hid-roccat-kone.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)
 
diff --git a/drivers/hid/hid-roccat-pyra.h b/drivers/hid/hid-roccat-pyra.h
index 22f80a8f26f9e..ac5996e8817ce 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)