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authorMaciej W. Rozycki <macro@orcam.me.uk>2023-06-11 18:19:41 +0100
committerBjorn Helgaas <bhelgaas@google.com>2023-06-20 10:58:53 -0500
commit37edd87eb621a96d33ee4eefe4b54cfc5a7e03df (patch)
tree39f140cd556bd47729cc22fcb51871dd2f1c47c0 /drivers/pci/pci.h
parent33a176abcc4cd4ed3d65512ed96d7b73f2565ed7 (diff)
PCI: Export pcie_retrain_link() for use outside ASPM
Export pcie_retrain_link() for link retrain needs outside ASPM. Struct pcie_link_state is local to ASPM and only used by pcie_retrain_link() to get at the associated PCI device, so change the operand and adjust the lone call site accordingly. Document the interface. No functional change at this point. Link: https://lore.kernel.org/r/alpine.DEB.2.21.2306110229010.64925@angie.orcam.me.uk Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d5fe253114f2..0d9671b20d17 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -565,6 +565,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
pci_ers_result_t (*reset_subordinates)(struct pci_dev *pdev));
bool pcie_wait_for_link(struct pci_dev *pdev, bool active);
+bool pcie_retrain_link(struct pci_dev *pdev);
#ifdef CONFIG_PCIEASPM
void pcie_aspm_init_link_state(struct pci_dev *pdev);
void pcie_aspm_exit_link_state(struct pci_dev *pdev);