[RFC,v2,12/15] msi: export msi_get_domain_info

Commit Message

Eric Auger Feb. 11, 2016, 2:34 p.m. UTC

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

Signed-off-by: Eric Auger <[e-mail]>
---
 include/linux/msi.h | 4 ++++
 kernel/irq/msi.c    | 1 +
 2 files changed, 5 insertions(+)

Patch

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 */