[PATCH] lockdep: annotate enable_in_hardirq()

Make use of local_irq_enable_in_hardirq() API to annotate places that enable
hardirqs in hardirq context.

Has no effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/ide/ide-floppy.c

@@ -838,7 +838,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
 			"transferred\n", pc->actually_transferred);
 		clear_bit(PC_DMA_IN_PROGRESS, &pc->flags);
 
-		local_irq_enable();
+		local_irq_enable_in_hardirq();
 
 		if (status.b.check || test_bit(PC_DMA_ERROR, &pc->flags)) {
 			/* Error detected */