[PATCH] ide_generic_all_on() warning fix

drivers/ide/pci/generic.c:45: warning: `ide_generic_all_on' defined but not used

Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>