- fix reversing of command/sub arguments
- fix a crash if the i2c interface is called before the device is found
Signed-off-by: NSreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Commands with data must set the length in the message.
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The IPC (inter processor communications) is used to provide the
communications between kernel and system control units on some embedded
Intel x86 platforms.

(Various bits of clean up and restructuring by Alan Cox)
Signed-off-by: NSreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: NAlan Cox <alan@linux.intel.com>