PCI: Disable PCIe Relaxed Ordering if unsupported

[karo-tx-linux.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 4869e66dd659a6bc8fe4ad90df2ed9d3ff98ccac..29606fb8946423c0f1f7cfdafd5fb7f2238ba790 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -188,6 +188,8 @@ enum pci_dev_flags {
         * the direct_complete optimization.
         */
        PCI_DEV_FLAGS_NEEDS_RESUME = (__force pci_dev_flags_t) (1 << 11),
+       /* Don't use Relaxed Ordering for TLPs directed at this device */
+       PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 12),
 };
 
 enum pci_irq_reroute_variant {
@@ -1125,6 +1127,7 @@ bool pci_check_pme_status(struct pci_dev *dev);
 void pci_pme_wakeup_bus(struct pci_bus *bus);
 void pci_d3cold_enable(struct pci_dev *dev);
 void pci_d3cold_disable(struct pci_dev *dev);
+bool pcie_relaxed_ordering_enabled(struct pci_dev *dev);
 
 /* PCI Virtual Channel */
 int pci_save_vc_state(struct pci_dev *dev);