From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 26 Aug 2020 13:16:41 +0200
Subject: x86/msi: Consolidate HPET allocation
Git-commit: 2bf1e7bcedb8802cb4fc65757b229edfe112a4bb
Patch-mainline: v5.10-rc1
References: jsc#SLE-16823

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200826112331.943993771@linutronix.de
---
 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
@@ -86,13 +86,6 @@ 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
@@ -420,7 +420,7 @@ 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,
@@ -428,8 +428,8 @@ 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;
 }
@@ -470,7 +470,7 @@ 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;
@@ -496,9 +496,9 @@ 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
@@ -3517,7 +3517,7 @@ 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
@@ -1120,7 +1120,7 @@ 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);
@@ -1290,7 +1290,7 @@ 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);