Convert ipmi driver thread to kthread API, only sleep when interface is
idle.
Signed-off-by: NMatt Domsch <Matt_Domsch@dell.com>
Cc: Corey Minyard <minyard@acm.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>