x86: Constify irqdomain ops

Nothing changes those ops. Make the initializers readable while at it.
Reported-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/apic/htirq.c

@@ -143,11 +143,11 @@ static void htirq_domain_deactivate(struct irq_domain *domain,
 	write_ht_irq_msg(irq_data->irq, &msg);
 }
 
-static struct irq_domain_ops htirq_domain_ops = {
-	.alloc = htirq_domain_alloc,
-	.free = htirq_domain_free,
-	.activate = htirq_domain_activate,
-	.deactivate = htirq_domain_deactivate,
+static const struct irq_domain_ops htirq_domain_ops = {
+	.alloc		= htirq_domain_alloc,
+	.free		= htirq_domain_free,
+	.activate	= htirq_domain_activate,
+	.deactivate	= htirq_domain_deactivate,
 };
 
 void arch_init_htirq_domain(struct irq_domain *parent)

arch/x86/kernel/apic/vector.c

@@ -330,9 +330,9 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq,
 	return err;
 }
 
-static struct irq_domain_ops x86_vector_domain_ops = {
-	.alloc = x86_vector_alloc_irqs,
-	.free = x86_vector_free_irqs,
+static const struct irq_domain_ops x86_vector_domain_ops = {
+	.alloc	= x86_vector_alloc_irqs,
+	.free	= x86_vector_free_irqs,
 };
 
 int __init arch_probe_nr_irqs(void)

arch/x86/platform/uv/uv_irq.c

@@ -149,11 +149,11 @@ static void uv_domain_deactivate(struct irq_domain *domain,
 	uv_program_mmr(irqd_cfg(irq_data), irq_data->chip_data);
 }
 
-static struct irq_domain_ops uv_domain_ops = {
-	.alloc = uv_domain_alloc,
-	.free = uv_domain_free,
-	.activate = uv_domain_activate,
-	.deactivate = uv_domain_deactivate,
+static const struct irq_domain_ops uv_domain_ops = {
+	.alloc		= uv_domain_alloc,
+	.free		= uv_domain_free,
+	.activate	= uv_domain_activate,
+	.deactivate	= uv_domain_deactivate,
 };
 
 static struct irq_domain *uv_get_irq_domain(void)