IRDA: smsc-ircc2 - do not over-use void * pointers, use specific
      types wherever possible.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>