Refine ACPI to use common irqdomain map interface to program IOAPIC pins,
so we can unify the callsite to progam IOAPIC pins.

Signed-off-by: Jiang Liu <jiang....@linux.intel.com>
---
 arch/x86/kernel/acpi/boot.c |   44 ++++++++++++-------------------------------
 1 file changed, 12 insertions(+), 32 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0632622a3798..4788b3f50f69 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -325,7 +325,9 @@ static void  mp_override_legacy_irq(u8 bus_irq, u8 
polarity, u8 trigger,
 static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
                           int polarity);
 
-static struct irq_domain_ops acpi_irqdomain_ops;
+static struct irq_domain_ops acpi_irqdomain_ops = {
+       .map = mp_irqdomain_map,
+};
 
 static struct irq_domain *acpi_create_irqdomain(int idx, void *arg)
 {
@@ -505,10 +507,6 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp)
        int irq = map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK);
 
        if (irq >= 0) {
-#ifdef CONFIG_X86_IO_APIC
-               if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
-                       setup_IO_APIC_irq_extra(gsi);
-#endif
                *irqp = irq;
                return 0;
        }
@@ -1036,11 +1034,7 @@ static int mp_config_acpi_gsi(struct device *dev, u32 
gsi, int trigger,
 static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
                           int polarity)
 {
-       int irq;
-       int ioapic;
-       int ioapic_pin;
-       struct io_apic_irq_attr irq_attr;
-       int ret;
+       int irq, node;
 
        if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
                return gsi;
@@ -1049,35 +1043,21 @@ static int mp_register_gsi(struct device *dev, u32 gsi, 
int trigger,
        if (acpi_gbl_FADT.sci_interrupt == gsi)
                return gsi;
 
+       trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
+       polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
+       node = dev ? dev_to_node(dev) : NUMA_NO_NODE;
+       if (mp_set_gsi_attr(gsi, trigger, polarity, node)) {
+               pr_warn("Failed to set pin attr for GSI%d\n", gsi);
+               return -1;
+       }
+
        irq = map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC);
        if (irq < 0)
                return irq;
 
-       ioapic = mp_find_ioapic(gsi);
-       if (ioapic < 0) {
-               printk(KERN_WARNING "No IOAPIC for GSI %u\n", gsi);
-               return gsi;
-       }
-
-       ioapic_pin = mp_find_ioapic_pin(ioapic, gsi);
-
-       if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
-               printk(KERN_ERR "Invalid reference to IOAPIC pin "
-                      "%d-%d\n", mpc_ioapic_id(ioapic),
-                      ioapic_pin);
-               return gsi;
-       }
-
        if (enable_update_mptable)
                mp_config_acpi_gsi(dev, gsi, trigger, polarity);
 
-       set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin,
-                            trigger == ACPI_EDGE_SENSITIVE ? 0 : 1,
-                            polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
-       ret = io_apic_set_pci_routing(dev, irq, &irq_attr);
-       if (ret < 0)
-               irq = -1;
-
        return irq;
 }
 
-- 
1.7.10.4

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