irq_remapping: Remove unused function irq_remapping_print_chip()

Now there's no user of irq_remapping_print_chip() anymore, so remove it.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: iommu@lists.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Joerg Roedel <joro@8bytes.org>
Link: http://lkml.kernel.org/r/1428905519-23704-29-git-send-email-jiang.liu@linux.intel.comSigned-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/include/asm/irq_remapping.h

@@ -59,7 +59,6 @@ extern struct irq_domain *
 irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info);
 extern struct irq_domain *
 irq_remapping_get_irq_domain(struct irq_alloc_info *info);
-extern void irq_remapping_print_chip(struct irq_data *data, struct seq_file *p);
 
 /* Create PCI MSI/MSIx irqdomain, use @parent as the parent irqdomain. */
 extern struct irq_domain *arch_create_msi_irq_domain(struct irq_domain *parent);
@@ -115,6 +114,5 @@ irq_remapping_get_irq_domain(struct irq_alloc_info *info)
 	return NULL;
 }
 
-#define	irq_remapping_print_chip	NULL
 #endif /* CONFIG_IRQ_REMAP */
 #endif /* __X86_IRQ_REMAPPING_H */

drivers/iommu/irq_remapping.c

@@ -204,19 +204,6 @@ static void ir_ack_apic_level(struct irq_data *data)
 	eoi_ioapic_irq(data->irq, irqd_cfg(data));
 }
 
-void irq_remapping_print_chip(struct irq_data *data, struct seq_file *p)
-{
-	/*
-	 * Assume interrupt is remapped if the parent irqdomain isn't the
-	 * vector domain, which is true for MSI, HPET and IOAPIC on x86
-	 * platforms.
-	 */
-	if (data->domain && data->domain->parent != arch_get_ir_parent_domain())
-		seq_printf(p, " IR-%s", data->chip->name);
-	else
-		seq_printf(p, " %s", data->chip->name);
-}
-
 static void ir_print_prefix(struct irq_data *data, struct seq_file *p)
 {
 	seq_printf(p, " IR-%s", data->chip->name);