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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>
This commit is contained in:
Jiang Liu 2014-10-27 16:12:09 +08:00 committed by Thomas Gleixner
parent b71a3b2944
commit 91411da1f9
1 changed files with 5 additions and 5 deletions
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10
drivers/iommu/intel_irq_remapping.c
View File

@ -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);