Messages in this thread Patch in this message | | | Date | Wed, 5 Nov 2014 08:39:59 -0800 | From | tip-bot for Jiang Liu <> | Subject | [tip:x86/apic] iommu/vt-d: Use helpers to access irq_cfg data structure associated with IRQ |
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Commit-ID: c20c824715444c9cfad54736e9b41bcae7062d30 Gitweb: http://git.kernel.org/tip/c20c824715444c9cfad54736e9b41bcae7062d30 Author: Jiang Liu <jiang.liu@linux.intel.com> AuthorDate: Mon, 27 Oct 2014 16:12:09 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 5 Nov 2014 11:04:48 +0100
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 <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: iommu@lists.linux-foundation.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Joerg Roedel <joro@8bytes.org> Link: http://lkml.kernel.org/r/1414397531-28254-19-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- 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 7c80661..fd181cf 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -55,7 +55,7 @@ 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; } @@ -86,7 +86,7 @@ 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; @@ -154,7 +154,7 @@ 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) @@ -1008,7 +1008,7 @@ 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; @@ -1063,7 +1063,7 @@ 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);
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