[PATCH 7/8] PCI: Make pcie_link_speed variable public & export pci_set_target_speed()

[Krishna Chaitanya Chundru]

It can be used by the PCIe client drivers and reduce the code duplication.
And export pci_set_target_speed() so that other kernel drivers can use it.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
---
 drivers/pci/pci.h         | 1 -
 drivers/pci/pcie/bwctrl.c | 1 +
 include/linux/pci.h       | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 01e51db8d285..ada9a0433a99 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -82,7 +82,6 @@ struct pcie_tlp_log;
 #define PCIE_MSG_CODE_DEASSERT_INTC	0x26
 #define PCIE_MSG_CODE_DEASSERT_INTD	0x27
 
-extern const unsigned char pcie_link_speed[];
 extern bool pci_early_dump;
 
 bool pcie_cap_has_lnkctl(const struct pci_dev *dev);
diff --git a/drivers/pci/pcie/bwctrl.c b/drivers/pci/pcie/bwctrl.c
index e3faa4d1f935..dc01c93bcc37 100644
--- a/drivers/pci/pcie/bwctrl.c
+++ b/drivers/pci/pcie/bwctrl.c
@@ -214,6 +214,7 @@ int pcie_set_target_speed(struct pci_dev *port, enum pci_bus_speed speed_req,
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(pcie_set_target_speed);
 
 static void pcie_bwnotif_enable(struct pcie_device *srv)
 {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 58f1de626c37..8a3b3195122d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -305,6 +305,7 @@ enum pci_bus_speed {
 
 enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev);
 enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev);
+extern const unsigned char pcie_link_speed[];
 
 struct pci_vpd {
 	struct mutex	lock;

-- 
2.34.1