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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-05 10:41:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-05 10:41:14 -0800 |
| commit | e2557a2cdeb2e6a6e258e27e63af34e3ac6c1069 (patch) | |
| tree | 328ed189901dd653f4312f91af6064f0111c67ea /drivers/pci/controller/dwc/pcie-designware-host.c | |
| parent | 4ef8451b332662d004df269d4cdeb7d9f31419b5 (diff) | |
| parent | 832ea234277a2465ec6602fa6a4db5cd9ee87ae3 (diff) | |
Merge tag 'pci-v5.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix ACS regression that broke device pass-through (Rajat Jain)
- Revert DesignWare ATU memory resource to use last entry to fix
Tegra194 regression (Rob Herring)
- Remove duplicate mvebu resource requests to fix regression on Turris
Omnia (Rob Herring)
* tag 'pci-v5.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: mvebu: Fix duplicate resource requests
PCI: dwc: Restore ATU memory resource setup to use last entry
PCI: Always enable ACS even if no ACS Capability
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-host.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-host.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 674f32db85ca..44c2a6572199 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -586,8 +586,12 @@ void dw_pcie_setup_rc(struct pcie_port *pp) * ATU, so we should not program the ATU here. */ if (pp->bridge->child_ops == &dw_child_pcie_ops) { - struct resource_entry *entry = - resource_list_first_type(&pp->bridge->windows, IORESOURCE_MEM); + struct resource_entry *tmp, *entry = NULL; + + /* Get last memory resource entry */ + resource_list_for_each_entry(tmp, &pp->bridge->windows) + if (resource_type(tmp->res) == IORESOURCE_MEM) + entry = tmp; dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX0, PCIE_ATU_TYPE_MEM, entry->res->start, |