diff options
| author | Stefan Achatz <erazor_de@users.sourceforge.net> | 2010-11-26 19:57:36 +0000 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-01-08 01:11:24 +0100 |
| commit | bd3a2b96631dd86b06dca96aef00790084a11e15 (patch) | |
| tree | c9bd056bfcf5d227ccb6c772f6cd7abc9d7b6a33 | |
| parent | 5012aada506cb8b570e46579077c0ec5b82ebd5d (diff) | |
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>
| -rw-r--r-- | drivers/hid/hid-roccat-kone.h | 3 | ||||
| -rw-r--r-- | drivers/hid/hid-roccat-pyra.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-kone.h b/drivers/hid/hid-roccat-kone.h index 130d6566ea8..11203a75b0f 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 22f80a8f26f..ac5996e8817 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) |