powerpc: Use proper accessors for IRQ_* flags

Use the proper accessors instead of open access to irq_desc.
Converted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0a557033..8f7da44 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -618,7 +618,7 @@
 			smp_wmb();
 
 			/* Clear norequest flags */
-			irq_to_desc(i)->status &= ~IRQ_NOREQUEST;
+			irq_clear_status_flags(i, IRQ_NOREQUEST);
 
 			/* Legacy flags are left to default at this point,
 			 * one can then use irq_create_mapping() to
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index bd1e1ff..2d65e9e 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -35,13 +35,13 @@
 		if (!chip)
 			continue;
 
-		if (chip->irq_eoi && desc->status & IRQ_INPROGRESS)
+		if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
 			chip->irq_eoi(&desc->irq_data);
 
 		if (chip->irq_mask)
 			chip->irq_mask(&desc->irq_data);
 
-		if (chip->irq_disable && !(desc->status & IRQ_DISABLED))
+		if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
 			chip->irq_disable(&desc->irq_data);
 	}
 }