x86: irq_remapping: 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/1414397531-28254-18-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 2c3f5ad..89c4846 100644 (file)
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -298,7 +298,7 @@ static int set_remapped_irq_affinity(struct irq_data *data,
 
 void free_remapped_irq(int irq)
 {
-       struct irq_cfg *cfg = irq_get_chip_data(irq);
+       struct irq_cfg *cfg = irq_cfg(irq);
 
        if (!remap_ops || !remap_ops->free_irq)
                return;
@@ -311,7 +311,7 @@ void compose_remapped_msi_msg(struct pci_dev *pdev,
                              unsigned int irq, unsigned int dest,
                              struct msi_msg *msg, u8 hpet_id)
 {
-       struct irq_cfg *cfg = irq_get_chip_data(irq);
+       struct irq_cfg *cfg = irq_cfg(irq);
 
        if (!irq_remapped(cfg))
                native_compose_msi_msg(pdev, irq, dest, msg, hpet_id);
@@ -364,7 +364,7 @@ static void ir_ack_apic_edge(struct irq_data *data)
 static void ir_ack_apic_level(struct irq_data *data)
 {
        ack_APIC_irq();
-       eoi_ioapic_irq(data->irq, data->chip_data);
+       eoi_ioapic_irq(data->irq, irqd_cfg(data));
 }
 
 static void ir_print_prefix(struct irq_data *data, struct seq_file *p)