sparc32,leon: add support for PCI busn resource for GRPCI2

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h
index f48527e..bfd3ab3 100644 (file)
--- a/arch/sparc/include/asm/leon_pci.h
+++ b/arch/sparc/include/asm/leon_pci.h
@@ -12,6 +12,7 @@ struct leon_pci_info {
        struct pci_ops *ops;
        struct resource io_space;
        struct resource mem_space;
+       struct resource busn;
        int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
 };
 

diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index 852dc84..88aaaa5 100644 (file)
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -29,6 +29,8 @@ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
        pci_add_resource_offset(&resources, &info->io_space,
                                info->io_space.start - 0x1000);
        pci_add_resource(&resources, &info->mem_space);
+       info->busn.flags = IORESOURCE_BUS;
+       pci_add_resource(&resources, &info->busn);
 
        root_bus = pci_scan_root_bus(&ofdev->dev, 0, info->ops, info,
                                     &resources);

diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index 4d14871..5f0402a 100644 (file)
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -799,6 +799,11 @@ static int grpci2_of_probe(struct platform_device *ofdev)
        if (request_resource(&ioport_resource, &priv->info.io_space) < 0)
                goto err4;
 
+       /* setup maximum supported PCI buses */
+       priv->info.busn.name = "GRPCI2 busn";
+       priv->info.busn.start = 0;
+       priv->info.busn.end = 255;
+
        grpci2_hw_init(priv);
 
        /*