[tip:irq/core] PCI/MSI: Drop domain field from msi_controller

[tip-bot for Marc Zyngier]

Commit-ID:  f075915ac0b11847fcfc8c4d55526a317e71c4d1
Gitweb:     http://git.kernel.org/tip/f075915ac0b11847fcfc8c4d55526a317e71c4d1
Author:     Marc Zyngier <marc.zyngier@xxxxxxx>
AuthorDate: Tue, 28 Jul 2015 14:46:26 +0100
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 30 Jul 2015 00:14:39 +0200

PCI/MSI: Drop domain field from msi_controller

The only three users of that field are not using the msi_controller
structure anymore, so drop it altogether.

Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Yijing Wang <wangyijing@xxxxxxxxxx>
Cc: Ma Jun <majun258@xxxxxxxxxx>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Cc: Duc Dang <dhdang@xxxxxxx>
Cc: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1438091186-10244-20-git-send-email-marc.zyngier@xxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 drivers/pci/msi.c   | 3 ---
 include/linux/msi.h | 3 ---
 2 files changed, 6 deletions(-)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 4603344..f70aa0f 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -45,9 +45,6 @@ static struct irq_domain *pci_msi_get_domain(struct pci_dev *dev)
 	if (domain)
 		return domain;
 
-	if (dev->bus->msi && (domain = dev->bus->msi->domain))
-		return domain;
-
 	return arch_get_pci_msi_domain(dev);
 }
 
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 809b749..ad939d0 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -160,9 +160,6 @@ struct msi_controller {
 	struct device *dev;
 	struct device_node *of_node;
 	struct list_head list;
-#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
-	struct irq_domain *domain;
-#endif
 
 	int (*setup_irq)(struct msi_controller *chip, struct pci_dev *dev,
 			 struct msi_desc *desc);
--
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