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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2019-06-24 14:39:35 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2019-06-29 10:41:50 +1000 |
| commit | 80d9a360d43ef17763bc55ac0e45cf4da5347140 (patch) | |
| tree | 7d061f23878f769a18cb2165ef81af89a7808fda | |
| parent | ec1ea2b46d1a0f58eebee16bb5426b1c6d9c1745 (diff) | |
| download | pci-80d9a360d43ef17763bc55ac0e45cf4da5347140.tar.gz | |
It should be equivalent to the pci_assign_unassigned_bus_resources()
call with the policy set to "assign only". It handles the PCIe
settings as well.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | drivers/pci/controller/vmd.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index 999a5509e57eb..310784a216ea6 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -564,7 +564,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) LIST_HEAD(resources); resource_size_t offset[2] = {0}; resource_size_t membar2_offset = 0x2000, busn_start = 0; - struct pci_bus *child; + struct pci_host_bridge *host; /* * Shadow registers may exist in certain VMD device ids which allow @@ -688,22 +688,15 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) irq_domain_remove(vmd->irq_domain); return -ENODEV; } + host = pci_find_host_bridge(vmd->bus); + host->rsrc_policy = pci_rsrc_assign_only; vmd_attach_resources(vmd); vmd_setup_dma_ops(vmd); dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain); pci_scan_child_bus(vmd->bus); - pci_assign_unassigned_bus_resources(vmd->bus); - - /* - * VMD root buses are virtual and don't return true on pci_is_pcie() - * and will fail pcie_bus_configure_settings() early. It can instead be - * run on each of the real root ports. - */ - list_for_each_entry(child, &vmd->bus->children, node) - pcie_bus_configure_settings(child); - + pci_host_resource_survey(vmd->bus); pci_bus_add_devices(vmd->bus); WARN(sysfs_create_link(&vmd->dev->dev.kobj, &vmd->bus->dev.kobj, |