There are three types of messages between w1 core and userspace:
1. Events. They are generated each time new master or slave device found
	either due to automatic or requested search.
2. Userspace commands. Includes read/write and search/alarm search comamnds.
3. Replies to userspace commands.

From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Signed-off-by: NBen Gardner <bgardner@wabtec.com>
Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This is the remaining misc drivers/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in misc files in
drivers/.
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Acked-by: NAristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
Acked-by: NRoland Dreier <rolandd@cisco.com>
Acked-by: NPierre Ossman <drzeus@drzeus.cx>
Acked-by: NJean Delvare <khali@linux-fr.org>
Acked-by: NGreg Kroah-Hartman <gregkh@suse.de>
Acked-by: NLen Brown <len.brown@intel.com>
Acked-by: N"Antonino A. Daplas" <adaplas@gmail.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

Remove w1 comments from crc16.h and move
specific constants into w1_ds2433.c where they are used.
Replace %d with %zd.
Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Remove w1 comments from crc16.h and move specific constants into
w1_ds2433.c where they are used.

Replace %d with %zd.
Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

The changes to ds2433 to add CRC16 protection and read caching.
Signed-off-by: NBen Gardner <bgardner@wabtec.com>
Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Work by Ben Gardner <bgardner@wabtec.com>.
Signed-off-by: NEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>