2 files changed, 28 insertions, 16 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 8a958ca26ac..0a5570338b9 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -237,6 +237,7 @@ int show_interrupts(struct seq_file *p, void *v)
         int i = *(loff_t *) v, j, prec;
         struct irqaction *action;
         struct irq_desc *desc;
+        struct irq_chip *chip;
 
         if (i > nr_irqs)
                 return 0;
@@ -270,8 +271,9 @@ int show_interrupts(struct seq_file *p, void *v)
         for_each_online_cpu(j)
                 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 
-        if (desc->chip)
-                seq_printf(p, "  %-16s", desc->chip->name);
+        chip = get_irq_desc_chip(desc);
+        if (chip)
+                seq_printf(p, "  %-16s", chip->name);
         else
                 seq_printf(p, "  %-16s", "None");
         seq_printf(p, " %-8s", (desc->status & IRQ_LEVEL) ? "Level" : "Edge");
@@ -313,6 +315,8 @@ void fixup_irqs(const struct cpumask *map)
         alloc_cpumask_var(&mask, GFP_KERNEL);
 
         for_each_irq(irq) {
+                struct irq_chip *chip;
+
                 desc = irq_to_desc(irq);
                 if (!desc)
                         continue;
@@ -320,13 +324,15 @@ void fixup_irqs(const struct cpumask *map)
                 if (desc->status & IRQ_PER_CPU)
                         continue;
 
-                cpumask_and(mask, desc->affinity, map);
+                chip = get_irq_desc_chip(desc);
+
+                cpumask_and(mask, desc->irq_data.affinity, map);
                 if (cpumask_any(mask) >= nr_cpu_ids) {
                         printk("Breaking affinity for irq %i\n", irq);
                         cpumask_copy(mask, map);
                 }
-                if (desc->chip->set_affinity)
-                        desc->chip->set_affinity(irq, mask);
+                if (chip->irq_set_affinity)
+                        chip->irq_set_affinity(&desc->irq_data, mask, true);
                 else if (desc->action && !(warned++))
                         printk("Cannot set affinity for irq %i\n", irq);
         }
@@ -1145,11 +1151,14 @@ static int virq_debug_show(struct seq_file *m, void *private)
                 raw_spin_lock_irqsave(&desc->lock, flags);
 
                 if (desc->action && desc->action->handler) {
+                        struct irq_chip *chip;
+
                         seq_printf(m, "%5d  ", i);
                         seq_printf(m, "0x%05lx  ", virq_to_hw(i));
 
-                        if (desc->chip && desc->chip->name)
-                                p = desc->chip->name;
+                        chip = get_irq_desc_chip(desc);
+                        if (chip && chip->name)
+                                p = chip->name;
                         else
                                 p = none;
                         seq_printf(m, "%-15s  ", p);
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 49a170af814..976de37fe5b 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -26,20 +26,23 @@ void machine_kexec_mask_interrupts(void) {
 
         for_each_irq(i) {
                 struct irq_desc *desc = irq_to_desc(i);
+                struct irq_chip *chip;
 
-                if (!desc || !desc->chip)
+                if (!desc)
                         continue;
 
-                if (desc->chip->eoi &&
-                    desc->status & IRQ_INPROGRESS)
-                        desc->chip->eoi(i);
+                chip = get_irq_desc_chip(desc);
+                if (!chip)
+                        continue;
+
+                if (chip->irq_eoi && desc->status & IRQ_INPROGRESS)
+                        chip->irq_eoi(&desc->irq_data);
 
-                if (desc->chip->mask)
-                        desc->chip->mask(i);
+                if (chip->irq_mask)
+                        chip->irq_mask(&desc->irq_data);
 
-                if (desc->chip->disable &&
-                    !(desc->status & IRQ_DISABLED))
-                        desc->chip->disable(i);
+                if (chip->irq_disable && !(desc->status & IRQ_DISABLED))
+                        chip->irq_disable(&desc->irq_data);
         }
 }