Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/pci/msi.c | 3 +++
include/linux/msi.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 27a7e67ddfe4..c45399d3061a 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -68,9 +68,12 @@ int __weak arch_msi_check_device(struct pci_dev *dev, int nvec, int type)
int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
+ struct msi_chip *chip = dev->bus->msi;
struct msi_desc *entry;
int ret;
+ if (chip && chip->setup_irqs)
+ return chip->setup_irqs(chip, dev, nvec, type);
/*
* If an architecture wants to support multiple MSI, it needs to
* override arch_setup_msi_irqs()
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 92a2f991262a..d813f898194c 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -75,6 +75,8 @@ struct msi_chip {
int (*setup_irq)(struct msi_chip *chip, struct pci_dev *dev,
struct msi_desc *desc);
+ int (*setup_irqs)(struct msi_chip *chip, struct pci_dev *dev,
+ int nvec, int type);
void (*teardown_irq)(struct msi_chip *chip, unsigned int irq);
int (*check_device)(struct msi_chip *chip, struct pci_dev *dev,
int nvec, int type);
--
2.0.0.rc2
--
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