pci: intr_remap: Use irq_data
No need to dereference irq_desc. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -54,45 +54,22 @@ struct irq_2_iommu {
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};
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#ifdef CONFIG_GENERIC_HARDIRQS
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static struct irq_2_iommu *get_one_free_irq_2_iommu(int node)
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{
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struct irq_2_iommu *iommu;
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iommu = kzalloc_node(sizeof(*iommu), GFP_ATOMIC, node);
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printk(KERN_DEBUG "alloc irq_2_iommu on node %d\n", node);
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return iommu;
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}
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static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
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{
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struct irq_desc *desc;
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desc = irq_to_desc(irq);
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if (WARN_ON_ONCE(!desc))
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return NULL;
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return desc->irq_2_iommu;
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return get_irq_iommu(irq);
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}
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static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
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{
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struct irq_desc *desc;
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struct irq_2_iommu *irq_iommu;
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struct irq_data *data = irq_get_irq_data(irq);
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desc = irq_to_desc(irq);
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if (!desc) {
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printk(KERN_INFO "can not get irq_desc for %d\n", irq);
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return NULL;
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}
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if (WARN_ONCE(data->irq_2_iommu,
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KERN_DEBUG "irq_2_iommu!=NULL irq %u\n", irq))
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return data->irq_2_iommu;
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irq_iommu = desc->irq_2_iommu;
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if (!irq_iommu)
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desc->irq_2_iommu = get_one_free_irq_2_iommu(irq_node(irq));
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return desc->irq_2_iommu;
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data->irq_2_iommu = kzalloc_node(sizeof(*data->irq_2_iommu),
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GFP_ATOMIC, data->node);
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return data->irq_2_iommu;
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}
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static void irq_2_iommu_free(unsigned int irq)
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