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-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 11b046b..2a9fe7c 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -167,7 +167,6 @@
int irq_misc;
u32 ecam_value;
u8 last_busno;
- u8 root_busno;
struct nwl_msi msi;
struct irq_domain *legacy_irq_domain;
struct clk *clk;
@@ -219,13 +218,11 @@
struct nwl_pcie *pcie = bus->sysdata;
/* Check link before accessing downstream ports */
- if (bus->number != pcie->root_busno) {
+ if (!pci_is_root_bus(bus)) {
if (!nwl_pcie_link_up(pcie))
return false;
- }
-
- /* Only one device down on each root port */
- if (bus->number == pcie->root_busno && devfn > 0)
+ } else if (devfn > 0)
+ /* Only one device down on each root port */
return false;
return true;
@@ -588,7 +585,6 @@
/* Get msi_1 IRQ number */
msi->irq_msi1 = platform_get_irq_byname(pdev, "msi1");
if (msi->irq_msi1 < 0) {
- dev_err(dev, "failed to get IRQ#%d\n", msi->irq_msi1);
ret = -EINVAL;
goto err;
}
@@ -599,7 +595,6 @@
/* Get msi_0 IRQ number */
msi->irq_msi0 = platform_get_irq_byname(pdev, "msi0");
if (msi->irq_msi0 < 0) {
- dev_err(dev, "failed to get IRQ#%d\n", msi->irq_msi0);
ret = -EINVAL;
goto err;
}
@@ -730,11 +725,8 @@
/* Get misc IRQ number */
pcie->irq_misc = platform_get_irq_byname(pdev, "misc");
- if (pcie->irq_misc < 0) {
- dev_err(dev, "failed to get misc IRQ %d\n",
- pcie->irq_misc);
+ if (pcie->irq_misc < 0)
return -EINVAL;
- }
err = devm_request_irq(dev, pcie->irq_misc,
nwl_pcie_misc_handler, IRQF_SHARED,
@@ -799,10 +791,8 @@
/* Get intx IRQ number */
pcie->irq_intx = platform_get_irq_byname(pdev, "intx");
- if (pcie->irq_intx < 0) {
- dev_err(dev, "failed to get intx IRQ %d\n", pcie->irq_intx);
+ if (pcie->irq_intx < 0)
return pcie->irq_intx;
- }
irq_set_chained_handler_and_data(pcie->irq_intx,
nwl_pcie_leg_handler, pcie);
@@ -819,12 +809,8 @@
{
struct device *dev = &pdev->dev;
struct nwl_pcie *pcie;
- struct pci_bus *bus;
- struct pci_bus *child;
struct pci_host_bridge *bridge;
int err;
- resource_size_t iobase = 0;
- LIST_HEAD(res);
bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
if (!bridge)
@@ -857,54 +843,24 @@
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;
-
err = nwl_pcie_init_irq_domain(pcie);
if (err) {
dev_err(dev, "Failed creating IRQ Domain\n");
- goto error;
+ return err;
}
- list_splice_init(&res, &bridge->windows);
- bridge->dev.parent = dev;
bridge->sysdata = pcie;
- bridge->busnr = pcie->root_busno;
bridge->ops = &nwl_pcie_ops;
- bridge->map_irq = of_irq_parse_and_map_pci;
- bridge->swizzle_irq = pci_common_swizzle;
if (IS_ENABLED(CONFIG_PCI_MSI)) {
err = nwl_pcie_enable_msi(pcie);
if (err < 0) {
dev_err(dev, "failed to enable MSI support: %d\n", err);
- goto error;
+ return err;
}
}
- err = pci_scan_root_bus_bridge(bridge);
- if (err)
- 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 struct platform_driver nwl_pcie_driver = {