[Patch Part2 v5 09/33] irq_remapping: Clean up unsued code to support IOAPIC

[Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>]

Now we have converted to hierarchy irqdomain, so clean up unused code.

Signed-off-by: Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Tony Luck <tony.luck-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Cc: Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
Cc: Rafael J. Wysocki <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>
Cc: Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
Cc: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Link: http://lkml.kernel.org/r/1416901802-24211-19-git-send-email-jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Signed-off-by: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Tested-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
---
 arch/x86/include/asm/irq_remapping.h |   23 -----------------------
 arch/x86/kernel/apic/vector.c        |    1 -
 drivers/iommu/irq_remapping.c        |   33 ---------------------------------
 3 files changed, 57 deletions(-)

diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index 4b5bbd104ae2..09efa358c831 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -26,12 +26,7 @@
 #include <asm/hw_irq.h>
 #include <asm/io_apic.h>
 
-struct IO_APIC_route_entry;
-struct io_apic_irq_attr;
-struct irq_chip;
 struct msi_msg;
-struct pci_dev;
-struct irq_cfg;
 struct irq_alloc_info;
 
 #ifdef CONFIG_IRQ_REMAP
@@ -42,13 +37,7 @@ extern int irq_remapping_enable(void);
 extern void irq_remapping_disable(void);
 extern int irq_remapping_reenable(int);
 extern int irq_remap_enable_fault_handling(void);
-extern void free_remapped_irq(int irq);
 extern void panic_if_irq_remap(const char *msg);
-extern bool setup_remapped_irq(int irq,
-			       struct irq_cfg *cfg,
-			       struct irq_chip *chip);
-
-void irq_remap_modify_chip_defaults(struct irq_chip *chip);
 
 extern struct irq_domain *
 irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info);
@@ -72,23 +61,11 @@ static inline int irq_remapping_enable(void) { return -ENODEV; }
 static inline void irq_remapping_disable(void) { }
 static inline int irq_remapping_reenable(int eim) { return -ENODEV; }
 static inline int irq_remap_enable_fault_handling(void) { return -ENODEV; }
-static inline void free_remapped_irq(int irq) { }
 
 static inline void panic_if_irq_remap(const char *msg)
 {
 }
 
-static inline void irq_remap_modify_chip_defaults(struct irq_chip *chip)
-{
-}
-
-static inline bool setup_remapped_irq(int irq,
-				      struct irq_cfg *cfg,
-				      struct irq_chip *chip)
-{
-	return false;
-}
-
 static inline struct irq_domain *
 irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info)
 {
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 31dc4a871673..ca30365507a0 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -283,7 +283,6 @@ static void x86_vector_free_irqs(struct irq_domain *domain,
 	for (i = 0; i < nr_irqs; i++) {
 		irq_data = irq_domain_get_irq_data(x86_vector_domain, virq + i);
 		if (irq_data && irq_data->chip_data) {
-			free_remapped_irq(virq);
 			clear_irq_vector(virq + i, irq_data->chip_data);
 			free_irq_cfg(irq_data->chip_data);
 #ifdef	CONFIG_X86_IO_APIC
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index bca42550b1ad..fc78b0d41f71 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -25,11 +25,6 @@ int no_x2apic_optout;
 static int disable_irq_remap;
 static struct irq_remap_ops *remap_ops;
 
-static bool irq_remapped(struct irq_cfg *cfg)
-{
-	return (cfg->remapped == 1);
-}
-
 static void irq_remapping_disable_io_apic(void)
 {
 	/*
@@ -140,14 +135,6 @@ int __init irq_remap_enable_fault_handling(void)
 	return remap_ops->enable_faulting();
 }
 
-void free_remapped_irq(int irq)
-{
-	struct irq_cfg *cfg = irq_cfg(irq);
-
-	if (irq_remapped(cfg) && remap_ops->free_irq)
-		remap_ops->free_irq(irq);
-}
-
 void panic_if_irq_remap(const char *msg)
 {
 	if (irq_remapping_enabled)
@@ -159,26 +146,6 @@ void ir_ack_apic_edge(struct irq_data *data)
 	ack_APIC_irq();
 }
 
-static void ir_print_prefix(struct irq_data *data, struct seq_file *p)
-{
-	seq_printf(p, " IR-%s", data->chip->name);
-}
-
-void irq_remap_modify_chip_defaults(struct irq_chip *chip)
-{
-	chip->irq_print_chip = ir_print_prefix;
-	chip->irq_ack = ir_ack_apic_edge;
-}
-
-bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)
-{
-	if (!irq_remapped(cfg))
-		return false;
-	irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
-	irq_remap_modify_chip_defaults(chip);
-	return true;
-}
-
 /**
  * irq_remapping_get_ir_irq_domain - Get the irqdomain associated with the IOMMU
  *				     device serving request @info
-- 
1.7.10.4