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authorAlex Williamson <alex.williamson@redhat.com>2018-08-09 14:04:14 -0600
committerBjorn Helgaas <bhelgaas@google.com>2018-08-09 15:18:27 -0500
commit2d2917f7747805a1f4188672f308d82a8ba01700 (patch)
treef0176de9b86625a010183e5c4503c0e16e7b0d5f
parentc6a44ba950d147e15fe6dab6455a52f91d8fe625 (diff)
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PCI: Export pcie_has_flr()
pcie_flr() suggests pcie_has_flr() to ensure that PCIe FLR support is present prior to calling. pcie_flr() is exported while pcie_has_flr() is not. Resolve this. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--drivers/pci/pci.c3
-rw-r--r--include/linux/pci.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d123c2b173da..85e5b80a69a7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4039,7 +4039,7 @@ static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout)
* Returns true if the device advertises support for PCIe function level
* resets.
*/
-static bool pcie_has_flr(struct pci_dev *dev)
+bool pcie_has_flr(struct pci_dev *dev)
{
u32 cap;
@@ -4049,6 +4049,7 @@ static bool pcie_has_flr(struct pci_dev *dev)
pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &cap);
return cap & PCI_EXP_DEVCAP_FLR;
}
+EXPORT_SYMBOL_GPL(pcie_has_flr);
/**
* pcie_flr - initiate a PCIe function level reset
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 307b336496f6..bace761deff2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1090,6 +1090,7 @@ u32 pcie_bandwidth_available(struct pci_dev *dev, struct pci_dev **limiting_dev,
enum pci_bus_speed *speed,
enum pcie_link_width *width);
void pcie_print_link_status(struct pci_dev *dev);
+bool pcie_has_flr(struct pci_dev *dev);
int pcie_flr(struct pci_dev *dev);
int __pci_reset_function_locked(struct pci_dev *dev);
int pci_reset_function(struct pci_dev *dev);