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-rw-r--r--include/linux/pci.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 579b28833429..4f02d9f91399 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1797,9 +1797,19 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d,
#ifdef CONFIG_PCIEPORTBUS
extern bool pcie_ports_disabled;
extern bool pcie_ports_native;
+
+int pcie_set_target_speed(struct pci_dev *port, enum pci_bus_speed speed_req,
+ bool use_lt);
#else
#define pcie_ports_disabled true
#define pcie_ports_native false
+
+static inline int pcie_set_target_speed(struct pci_dev *port,
+ enum pci_bus_speed speed_req,
+ bool use_lt)
+{
+ return -EOPNOTSUPP;
+}
#endif
#define PCIE_LINK_STATE_L0S (BIT(0) | BIT(1)) /* Upstr/dwnstr L0s */