[PATCH] pcibios_bus_to_resource for parisc [Was: Re: [PATCH 8/8] pci and yenta: pcibios_bus_to_resource]

[Dominik Brodowski <linux@dominikbrodowski.net>]

On Mon, Jul 18, 2005 at 01:42:16PM -0600, Grant Grundler wrote:
> On Tue, Jul 12, 2005 at 12:21:38AM +0200, Dominik Brodowski wrote:
> > In yenta_socket, we default to using the resource setting of the CardBus
> > bridge. However, this is a PCI-bus-centric view of resources and thus
> > needs to be converted to generic resources first. Therefore, add a call
> > to pcibios_bus_to_resource() call in between. This function is a mere
> > wrapper on x86 and friends, however on some others it already exists, is
> > added in this patch (alpha, arm, ppc, ppc64) or still needs to be 
> > provided (parisc -- where is its pcibios_resource_to_bus() ?).
> 
> in arch/parisc/kernel/pci.c?
> At least, it seems to be present in the 2.6.13-rc1 tree
> on cvs.parisc-linux.org tree.

Oh, yes, I seem to have missed it. Sorry. Does this patch look good?


Add pcibios_bus_to_resource for parisc.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

Index: 2.6.13-rc3-git2/arch/parisc/kernel/pci.c
===================================================================
--- 2.6.13-rc3-git2.orig/arch/parisc/kernel/pci.c
+++ 2.6.13-rc3-git2/arch/parisc/kernel/pci.c
@@ -255,8 +255,26 @@ void __devinit pcibios_resource_to_bus(s
 	pcibios_link_hba_resources(&hba->lmmio_space, bus->resource[1]);
 }
 
+void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+			      struct pci_bus_region *region)
+{
+	struct pci_bus *bus = dev->bus;
+	struct pci_hba_data *hba = HBA_DATA(bus->bridge->platform_data);
+
+	if (res->flags & IORESOURCE_MEM) {
+		res->start = PCI_HOST_ADDR(hba, region->start);
+		res->end = PCI_HOST_ADDR(hba, region->end);
+	}
+
+	if (res->flags & IORESOURCE_IO) {
+		res->start = region->start;
+		res->end = region->end;
+	}
+}
+
 #ifdef CONFIG_HOTPLUG
 EXPORT_SYMBOL(pcibios_resource_to_bus);
+EXPORT_SYMBOL(pcibios_bus_to_resource);
 #endif
 
 /*