staging: mt7621-pci: remove bus ranges related code

Bus ranges are now discovered by default. Hence remove
its related code from the driver.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201123093637.8300-2-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 7b38ef9..3e8dddf 100644 (file)
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -117,7 +117,6 @@ struct mt7621_pcie_port {
  * @base: IO Mapped Register Base
  * @io: IO resource
  * @mem: non-prefetchable memory resource
- * @busn: bus range
  * @offset: IO / Memory offset
  * @dev: Pointer to PCIe device
  * @io_map_base: virtual memory base address for io
@@ -131,7 +130,6 @@ struct mt7621_pcie {
        struct device *dev;
        struct resource io;
        struct resource mem;
-       struct resource busn;
        struct {
                resource_size_t mem;
                resource_size_t io;
@@ -299,7 +297,6 @@ static int mt7621_pci_parse_request_of_pci_ranges(struct mt7621_pcie *pcie)
        struct device_node *node = dev->of_node;
        struct of_pci_range_parser parser;
        struct of_pci_range range;
-       int err;
 
        if (of_pci_range_parser_init(&parser, node)) {
                dev_err(dev, "missing \"ranges\" property\n");
@@ -324,15 +321,6 @@ static int mt7621_pci_parse_request_of_pci_ranges(struct mt7621_pcie *pcie)
                }
        }
 
-       err = of_pci_parse_bus_range(node, &pcie->busn);
-       if (err < 0) {
-               dev_err(dev, "failed to parse bus ranges property: %d\n", err);
-               pcie->busn.name = node->name;
-               pcie->busn.start = 0;
-               pcie->busn.end = 0xff;
-               pcie->busn.flags = IORESOURCE_BUS;
-       }
-
        set_io_port_base(pcie->io_map_base);
 
        return 0;
@@ -666,7 +654,6 @@ static int mt7621_pcie_register_host(struct pci_host_bridge *host,
        struct mt7621_pcie *pcie = pci_host_bridge_priv(host);
 
        list_splice_init(res, &host->windows);
-       host->busnr = pcie->busn.start;
        host->dev.parent = pcie->dev;
        host->ops = &mt7621_pci_ops;
        host->map_irq = mt7621_map_irq;