genirq: Move IRQ_DISABLED to core

Keep status in sync until all abusers are fixed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7971df5..77ff275 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -646,7 +646,7 @@
 		goto again;
 	}
 
-	if (!(desc->status & IRQ_DISABLED) && (desc->status & IRQ_MASKED)) {
+	if (!(desc->istate & IRQS_DISABLED) && (desc->status & IRQ_MASKED)) {
 		desc->status &= ~IRQ_MASKED;
 		desc->irq_data.chip->irq_unmask(&desc->irq_data);
 	}
@@ -709,7 +709,7 @@
 		atomic_inc(&desc->threads_active);
 
 		raw_spin_lock_irq(&desc->lock);
-		if (unlikely(desc->status & IRQ_DISABLED)) {
+		if (unlikely(desc->istate & IRQS_DISABLED)) {
 			/*
 			 * CHECKME: We might need a dedicated
 			 * IRQ_THREAD_PENDING flag here, which