linux-kernel - [RFC v2 12/15] msi: export msi_get_domain

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Message-Id: <1455201262-5259-13-git-send-email-eric.auger@linaro.org>
Date:	Thu, 11 Feb 2016 14:34:19 +0000
From:	Eric Auger <eric.auger@...aro.org>
To:	eric.auger@...com, eric.auger@...aro.org,
	alex.williamson@...hat.com, will.deacon@....com, joro@...tes.org,
	tglx@...utronix.de, jason@...edaemon.net, marc.zyngier@....com,
	christoffer.dall@...aro.org, linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.cs.columbia.edu, kvm@...r.kernel.org
Cc:	suravee.suthikulpanit@....com, patches@...aro.org,
	linux-kernel@...r.kernel.org, Manish.Jaggi@...iumnetworks.com,
	Bharat.Bhushan@...escale.com, pranav.sawargaonkar@...il.com,
	p.fedin@...sung.com, iommu@...ts.linux-foundation.org,
	sherry.hurwitz@....com, brijesh.singh@....com, leo.duran@....com,
	Thomas.Lendacky@....com
Subject: [RFC v2 12/15] msi: export msi_get_domain_info

We plan to use msi_get_domain_info in VFIO module so let's export it.

Signed-off-by: Eric Auger <eric.auger@...aro.org>
---
 include/linux/msi.h | 4 ++++
 kernel/irq/msi.c    | 1 +
 2 files changed, 5 insertions(+)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 03eda72..df19315 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -323,6 +323,10 @@ static inline struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev)
 {
 	return NULL;
 }
+static struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain)
+{
+	return NULL;
+}
 #endif /* CONFIG_PCI_MSI_IRQ_DOMAIN */
 
 #endif /* LINUX_MSI_H */
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 38e89ce..9b0ba4a 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -400,5 +400,6 @@ struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain)
 {
 	return (struct msi_domain_info *)domain->host_data;
 }
+EXPORT_SYMBOL_GPL(msi_get_domain_info);
 
 #endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */
-- 
1.9.1