From 2d2917f7747805a1f4188672f308d82a8ba01700 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Thu, 9 Aug 2018 14:04:14 -0600 Subject: [PATCH] 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 Signed-off-by: Bjorn Helgaas --- drivers/pci/pci.c | 3 ++- include/linux/pci.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) 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);