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| author | Oza Pawandeep <poza@codeaurora.org> | 2018-05-17 23:44:11 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-05-17 23:44:11 +0200 |
| commit | 9f5a70f18c5893a30d6c339adc48de43c57dd7e2 (patch) | |
| tree | a9883d7afecbedeffb9379bc88c9c5d06793f1ab /drivers/pci/pci.h | |
| parent | PCI/AER: Add TLP header information to tracepoint (diff) | |
| download | linux-9f5a70f18c5893a30d6c339adc48de43c57dd7e2.tar.xz linux-9f5a70f18c5893a30d6c339adc48de43c57dd7e2.zip | |
PCI: Add generic pcie_wait_for_link() interface
Clients such as hotplug and Downstream Port Containment (DPC) both need to
wait until a link becomes active or inactive.
Add a generic pcie_wait_link_active() interface and use it instead of
duplicating the code.
Signed-off-by: Oza Pawandeep <poza@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 023f7cf25bff..cec9d8c2b7b8 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -353,6 +353,7 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev, void pci_enable_acs(struct pci_dev *dev); +bool pcie_wait_for_link(struct pci_dev *pdev, bool active); #ifdef CONFIG_PCIEASPM void pcie_aspm_init_link_state(struct pci_dev *pdev); void pcie_aspm_exit_link_state(struct pci_dev *pdev); |