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 f66be868ad21..685a83c459c6 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -121,9 +121,12 @@ void __weak arch_teardown_msi_irq(unsigned int irq)
int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
+ struct msi_controller *chip = pci_msi_controller(dev);
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 8ac4a68ffae2..50fefeb30236 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -114,6 +114,8 @@ struct msi_controller {
int (*setup_irq)(struct msi_controller *chip, struct pci_dev *dev,
struct msi_desc *desc);
+ int (*setup_irqs)(struct msi_controller *chip, struct pci_dev *dev,
+ int nvec, int type);
void (*teardown_irq)(struct msi_controller *chip, unsigned int irq);
};
--
2.4.6
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