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PCI: dwc: Remove root_bus pointer

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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
This commit is contained in:
Rob Herring
2020-08-20 21:53:57 -06:00
committed by Lorenzo Pieralisi
parent 1df7930548
commit 5808d43e7c
3 changed files with 4 additions and 5 deletions
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4
drivers/pci/controller/dwc/pcie-tegra194.c
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@@ -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;
}