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authorRob Herring <robh@kernel.org>2019-10-28 11:32:46 -0500
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2019-10-29 10:51:46 +0000
commit3c65ebff8faedfc3386e6e1ad91adf2bdb8eeaa7 (patch)
tree7f77488665e752c49b88bd2299879c3d60724a31 /drivers
parentee352c272e41c67aac887cbfd8c6aa71e5721997 (diff)
PCI: xilinx-nwl: Use pci_parse_request_of_pci_ranges()
Convert the xilinx-nwl host bridge to use the common pci_parse_request_of_pci_ranges(). There's no need to assign the resources to a temporary list first. Just use bridge->windows directly and remove all the temporary list handling. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Andrew Murray <andrew.murray@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/controller/pcie-xilinx-nwl.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 45c0f344ccd1..e135a4b60489 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -821,8 +821,6 @@ static int nwl_pcie_probe(struct platform_device *pdev)
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)
@@ -845,24 +843,18 @@ static int nwl_pcie_probe(struct platform_device *pdev)
return err;
}
- err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
- &iobase);
+ err = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
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;
@@ -874,13 +866,13 @@ static int nwl_pcie_probe(struct platform_device *pdev)
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;
+ return err;
bus = bridge->bus;
@@ -889,10 +881,6 @@ static int nwl_pcie_probe(struct platform_device *pdev)
pcie_bus_configure_settings(child);
pci_bus_add_devices(bus);
return 0;
-
-error:
- pci_free_resource_list(&res);
- return err;
}
static struct platform_driver nwl_pcie_driver = {