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-rw-r--r--arch/x86_64/kernel/io_apic.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index d7bad90a5ad8..6be6730acb5c 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -1956,24 +1956,31 @@ static struct irq_chip msi_chip = {
1956 .retrigger = ioapic_retrigger_irq, 1956 .retrigger = ioapic_retrigger_irq,
1957}; 1957};
1958 1958
1959int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev) 1959int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
1960{ 1960{
1961 struct msi_msg msg; 1961 struct msi_msg msg;
1962 int ret; 1962 int irq, ret;
1963 irq = create_irq();
1964 if (irq < 0)
1965 return irq;
1966
1967 set_irq_msi(irq, desc);
1963 ret = msi_compose_msg(dev, irq, &msg); 1968 ret = msi_compose_msg(dev, irq, &msg);
1964 if (ret < 0) 1969 if (ret < 0) {
1970 destroy_irq(irq);
1965 return ret; 1971 return ret;
1972 }
1966 1973
1967 write_msi_msg(irq, &msg); 1974 write_msi_msg(irq, &msg);
1968 1975
1969 set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); 1976 set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
1970 1977
1971 return 0; 1978 return irq;
1972} 1979}
1973 1980
1974void arch_teardown_msi_irq(unsigned int irq) 1981void arch_teardown_msi_irq(unsigned int irq)
1975{ 1982{
1976 return; 1983 destroy_irq(irq);
1977} 1984}
1978 1985
1979#endif /* CONFIG_PCI_MSI */ 1986#endif /* CONFIG_PCI_MSI */