Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
index 5bf3af3..8523be6 100644
--- a/drivers/pci/controller/pcie-xilinx.c
+++ b/drivers/pci/controller/pcie-xilinx.c
@@ -98,7 +98,6 @@
* @reg_base: IO Mapped Register Base
* @irq: Interrupt number
* @msi_pages: MSI pages
- * @root_busno: Root Bus number
* @dev: Device pointer
* @msi_domain: MSI IRQ domain pointer
* @leg_domain: Legacy IRQ domain pointer
@@ -108,7 +107,6 @@
void __iomem *reg_base;
u32 irq;
unsigned long msi_pages;
- u8 root_busno;
struct device *dev;
struct irq_domain *msi_domain;
struct irq_domain *leg_domain;
@@ -162,14 +160,13 @@
struct xilinx_pcie_port *port = bus->sysdata;
/* Check if link is up when trying to access downstream ports */
- if (bus->number != port->root_busno)
+ if (!pci_is_root_bus(bus)) {
if (!xilinx_pcie_link_up(port))
return false;
-
- /* Only one device down on each root port */
- if (bus->number == port->root_busno && devfn > 0)
+ } else if (devfn > 0) {
+ /* Only one device down on each root port */
return false;
-
+ }
return true;
}
@@ -616,11 +613,8 @@
{
struct device *dev = &pdev->dev;
struct xilinx_pcie_port *port;
- struct pci_bus *bus, *child;
struct pci_host_bridge *bridge;
int err;
- resource_size_t iobase = 0;
- LIST_HEAD(res);
if (!dev->of_node)
return -ENODEV;
@@ -647,45 +641,14 @@
return err;
}
- err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
- &iobase);
- if (err) {
- dev_err(dev, "Getting bridge resources failed\n");
- return err;
- }
-
- err = devm_request_pci_bus_resources(dev, &res);
- if (err)
- goto error;
-
-
- list_splice_init(&res, &bridge->windows);
- bridge->dev.parent = dev;
bridge->sysdata = port;
- bridge->busnr = 0;
bridge->ops = &xilinx_pcie_ops;
- bridge->map_irq = of_irq_parse_and_map_pci;
- bridge->swizzle_irq = pci_common_swizzle;
#ifdef CONFIG_PCI_MSI
xilinx_pcie_msi_chip.dev = dev;
bridge->msi = &xilinx_pcie_msi_chip;
#endif
- err = pci_scan_root_bus_bridge(bridge);
- if (err < 0)
- goto error;
-
- bus = bridge->bus;
-
- pci_assign_unassigned_bus_resources(bus);
- list_for_each_entry(child, &bus->children, node)
- pcie_bus_configure_settings(child);
- pci_bus_add_devices(bus);
- return 0;
-
-error:
- pci_free_resource_list(&res);
- return err;
+ return pci_host_probe(bridge);
}
static const struct of_device_id xilinx_pcie_of_match[] = {