diff options
| author | Rob Herring <robh@kernel.org> | 2020-08-21 06:53:57 +0300 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-09-08 18:37:02 +0300 |
| commit | 5808d43e7c91b285032cfeb2a5317ea6890b657f (patch) | |
| tree | bff0b0810080b6718674ca54f5e64e2ca6e23ce5 /drivers/pci/controller | |
| parent | 1df793054859eaa69d878f7daffc9f1cf9253a5d (diff) | |
| download | linux-5808d43e7c91b285032cfeb2a5317ea6890b657f.tar.xz | |
PCI: dwc: Remove root_bus pointer
The pci_host_bridge struct already has a pointer to its pci_bus, so
let's convert the one user to use the bridge struct and remove the
private 'root_bus' pointer.
Link: https://lore.kernel.org/r/20200821035420.380495-18-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-host.c | 4 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 1 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-tegra194.c | 4 |
3 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 940edb3e2d3f..ca9d4e407b03 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -448,8 +448,8 @@ EXPORT_SYMBOL_GPL(dw_pcie_host_init); void dw_pcie_host_deinit(struct pcie_port *pp) { - pci_stop_root_bus(pp->root_bus); - pci_remove_root_bus(pp->root_bus); + pci_stop_root_bus(pp->bridge->bus); + pci_remove_root_bus(pp->bridge->bus); if (pci_msi_enabled() && !pp->ops->msi_host_init) dw_pcie_free_msi(pp); } diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index c018f199ca44..a24229d95714 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -192,7 +192,6 @@ struct pcie_port { struct irq_chip *msi_irq_chip; u32 num_vectors; u32 irq_mask[MAX_MSI_CTRLS]; - struct pci_bus *root_bus; struct pci_host_bridge *bridge; raw_spinlock_t lock; DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS); diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index b723c9f3ece4..a5dce56b3b7a 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1264,9 +1264,9 @@ static void tegra_pcie_downstream_dev_to_D0(struct tegra_pcie_dw *pcie) * 5.2 Link State Power Management (Page #428). */ - list_for_each_entry(child, &pp->root_bus->children, node) { + list_for_each_entry(child, &pp->bridge->bus->children, node) { /* Bring downstream devices to D0 if they are not already in */ - if (child->parent == pp->root_bus) { + if (child->parent == pp->bridge->bus) { root_bus = child; break; } |