From 91411da1f99f4b626ec63b5faa30e75c468045a3 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 27 Oct 2014 16:12:09 +0800 Subject: [PATCH] iommu/vt-d: Use helpers to access irq_cfg data structure associated with IRQ Use helpers to access irq_cfg data structure associated with IRQ, instead of accessing irq_data->chip_data directly. Later we can rewrite those helpers to support hierarchy irqdomain. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Greg Kroah-Hartman Cc: iommu@lists.linux-foundation.org Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Bjorn Helgaas Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Joerg Roedel Link: http://lkml.kernel.org/r/1414397531-28254-19-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner --- drivers/iommu/intel_irq_remapping.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 27541d4..a55b207 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -54,7 +54,7 @@ static int __init parse_ioapics_under_ir(void); static struct irq_2_iommu *irq_2_iommu(unsigned int irq) { - struct irq_cfg *cfg = irq_get_chip_data(irq); + struct irq_cfg *cfg = irq_cfg(irq); return cfg ? &cfg->irq_2_iommu : NULL; } @@ -85,7 +85,7 @@ static int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) { struct ir_table *table = iommu->ir_table; struct irq_2_iommu *irq_iommu = irq_2_iommu(irq); - struct irq_cfg *cfg = irq_get_chip_data(irq); + struct irq_cfg *cfg = irq_cfg(irq); unsigned int mask = 0; unsigned long flags; int index; @@ -153,7 +153,7 @@ static int map_irq_to_irte_handle(int irq, u16 *sub_handle) static int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) { struct irq_2_iommu *irq_iommu = irq_2_iommu(irq); - struct irq_cfg *cfg = irq_get_chip_data(irq); + struct irq_cfg *cfg = irq_cfg(irq); unsigned long flags; if (!irq_iommu) @@ -1050,7 +1050,7 @@ static int intel_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force) { - struct irq_cfg *cfg = data->chip_data; + struct irq_cfg *cfg = irqd_cfg(data); unsigned int dest, irq = data->irq; struct irte irte; int err; @@ -1105,7 +1105,7 @@ static void intel_compose_msi_msg(struct pci_dev *pdev, u16 sub_handle = 0; int ir_index; - cfg = irq_get_chip_data(irq); + cfg = irq_cfg(irq); ir_index = map_irq_to_irte_handle(irq, &sub_handle); BUG_ON(ir_index == -1); -- 2.7.4