[patch RFC 09/38] x86/msi: Consolidate HPET allocation

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

None of the magic HPET fields are required in any way.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
 arch/x86/include/asm/hw_irq.h       |    7 -------
 arch/x86/kernel/apic/msi.c          |   14 +++++++-------
 drivers/iommu/amd/iommu.c           |    2 +-
 drivers/iommu/intel/irq_remapping.c |    4 ++--
 4 files changed, 10 insertions(+), 17 deletions(-)

--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -65,13 +65,6 @@ struct irq_alloc_info {
 
        union {
                int             unused;
-#ifdef CONFIG_HPET_TIMER
-               struct {
-                       int             hpet_id;
-                       int             hpet_index;
-                       void            *hpet_data;
-               };
-#endif
 #ifdef CONFIG_PCI_MSI
                struct {
                        struct pci_dev  *msi_dev;
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -427,7 +427,7 @@ static struct irq_chip hpet_msi_controll
 static irq_hw_number_t hpet_msi_get_hwirq(struct msi_domain_info *info,
                                          msi_alloc_info_t *arg)
 {
-       return arg->hpet_index;
+       return arg->hwirq;
 }
 
 static int hpet_msi_init(struct irq_domain *domain,
@@ -435,8 +435,8 @@ static int hpet_msi_init(struct irq_doma
                         irq_hw_number_t hwirq, msi_alloc_info_t *arg)
 {
        irq_set_status_flags(virq, IRQ_MOVE_PCNTXT);
-       irq_domain_set_info(domain, virq, arg->hpet_index, info->chip, NULL,
-                           handle_edge_irq, arg->hpet_data, "edge");
+       irq_domain_set_info(domain, virq, arg->hwirq, info->chip, NULL,
+                           handle_edge_irq, arg->data, "edge");
 
        return 0;
 }
@@ -477,7 +477,7 @@ struct irq_domain *hpet_create_irq_domai
 
        init_irq_alloc_info(&info, NULL);
        info.type = X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT;
-       info.hpet_id = hpet_id;
+       info.devid = hpet_id;
        parent = irq_remapping_get_irq_domain(&info);
        if (parent == NULL)
                parent = x86_vector_domain;
@@ -506,9 +506,9 @@ int hpet_assign_irq(struct irq_domain *d
 
        init_irq_alloc_info(&info, NULL);
        info.type = X86_IRQ_ALLOC_TYPE_HPET;
-       info.hpet_data = hc;
-       info.hpet_id = hpet_dev_id(domain);
-       info.hpet_index = dev_num;
+       info.data = hc;
+       info.devid = hpet_dev_id(domain);
+       info.hwirq = dev_num;
 
        return irq_domain_alloc_irqs(domain, 1, NUMA_NO_NODE, &info);
 }
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -3511,7 +3511,7 @@ static int get_devid(struct irq_alloc_in
                return get_ioapic_devid(info->ioapic_id);
        case X86_IRQ_ALLOC_TYPE_HPET:
        case X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT:
-               return get_hpet_devid(info->hpet_id);
+               return get_hpet_devid(info->devid);
        case X86_IRQ_ALLOC_TYPE_PCI_MSI:
        case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
                return get_device_id(&info->msi_dev->dev);
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1115,7 +1115,7 @@ static struct irq_domain *intel_get_irq_
        case X86_IRQ_ALLOC_TYPE_IOAPIC_GET_PARENT:
                return map_ioapic_to_ir(info->ioapic_id);
        case X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT:
-               return map_hpet_to_ir(info->hpet_id);
+               return map_hpet_to_ir(info->devid);
        case X86_IRQ_ALLOC_TYPE_PCI_MSI:
        case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
                return map_dev_to_ir(info->msi_dev);
@@ -1285,7 +1285,7 @@ static void intel_irq_remapping_prepare_
        case X86_IRQ_ALLOC_TYPE_PCI_MSI:
        case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
                if (info->type == X86_IRQ_ALLOC_TYPE_HPET)
-                       set_hpet_sid(irte, info->hpet_id);
+                       set_hpet_sid(irte, info->devid);
                else
                        set_msi_sid(irte, info->msi_dev);