linux-kernel - [tip:x86/apic] iommu/amd: Use helpers to access irq

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Date:	Wed, 5 Nov 2014 09:17:59 -0800
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tony.luck@...el.com, joro@...tes.org, tglx@...utronix.de,
	bhelgaas@...gle.com, rjw@...ysocki.net, konrad.wilk@...cle.com,
	mingo@...nel.org, bp@...en8.de, yinghai@...nel.org,
	benh@...nel.crashing.org, jiang.liu@...ux.intel.com,
	rdunlap@...radead.org, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, hpa@...or.com
Subject: [tip:x86/apic] iommu/amd:
  Use helpers to access irq_cfg data structure associated with IRQ

Commit-ID:  e1d8f79a27a41493c8f1ad0bde440048e17f9494
Gitweb:     http://git.kernel.org/tip/e1d8f79a27a41493c8f1ad0bde440048e17f9494
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 27 Oct 2014 16:12:10 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 5 Nov 2014 18:10:48 +0100

iommu/amd: 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@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: iommu@...ts.linux-foundation.org
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Joerg Roedel <joro@...tes.org>
Link: http://lkml.kernel.org/r/1414397531-28254-20-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/iommu/amd_iommu.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 505a9ad..6fda7cc 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4068,7 +4068,7 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry,
 	int devid;
 	int ret;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return -EINVAL;
 
@@ -4131,7 +4131,7 @@ static int set_affinity(struct irq_data *data, const struct cpumask *mask,
 	if (!config_enabled(CONFIG_SMP))
 		return -1;
 
-	cfg       = data->chip_data;
+	cfg       = irqd_cfg(data);
 	irq       = data->irq;
 	irte_info = &cfg->irq_2_irte;
 
@@ -4169,7 +4169,7 @@ static int free_irq(int irq)
 	struct irq_2_irte *irte_info;
 	struct irq_cfg *cfg;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return -EINVAL;
 
@@ -4188,7 +4188,7 @@ static void compose_msi_msg(struct pci_dev *pdev,
 	struct irq_cfg *cfg;
 	union irte irte;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return;
 
@@ -4217,7 +4217,7 @@ static int msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
 	if (!pdev)
 		return -EINVAL;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return -EINVAL;
 
@@ -4237,7 +4237,7 @@ static int msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
 	if (!pdev)
 		return -EINVAL;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return -EINVAL;
 
@@ -4260,7 +4260,7 @@ static int alloc_hpet_msi(unsigned int irq, unsigned int id)
 	struct irq_cfg *cfg;
 	int index, devid;
 
-	cfg = irq_get_chip_data(irq);
+	cfg = irq_cfg(irq);
 	if (!cfg)
 		return -EINVAL;
 
--
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