isdn/sc: remove unused REQUEST_IRQ and unnecessary header file
Fernando Luis Vázquez Cao authored

REQUEST_IRQ is never used, so delete it. In the process get rid of the
macro FREE_IRQ which makes the code unnecessarily difficult to read.
Signed-off-by: default avatarFernando Luis Vázquez Cao <fernando@oss.ntt.co.jp>
Acked-by: default avatarKarsten Keil <kkeil@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
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