[PATCH 1/5] pci: export pcie_get_speed_cap and pcie_get_width_cap
Alex Deucher
alexdeucher at gmail.com
Mon Jun 25 21:06:02 UTC 2018
So drivers can use them. This can be used to replace
duplicate code in the drm subsystem.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/pci/pci.c | 2 ++
include/linux/pci.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 97acba712e4e..22adaf35b136 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5222,6 +5222,7 @@ enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev)
return PCI_SPEED_UNKNOWN;
}
+EXPORT_SYMBOL(pcie_get_speed_cap);
/**
* pcie_get_width_cap - query for the PCI device's link width capability
@@ -5240,6 +5241,7 @@ enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev)
return PCIE_LNK_WIDTH_UNKNOWN;
}
+EXPORT_SYMBOL(pcie_get_width_cap);
/**
* pcie_bandwidth_capable - calculate a PCI device's link bandwidth capability
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 340029b2fb38..6e0c0803b241 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -261,6 +261,9 @@ enum pci_bus_speed {
PCI_SPEED_UNKNOWN = 0xff,
};
+enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev);
+enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev);
+
struct pci_cap_saved_data {
u16 cap_nr;
bool cap_extended;
--
2.13.6
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