Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 (2044f228) · Commits · EulixOS / Software / Kernel

arch/x86/pci/i386.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -184,6 +184,7 @@ static void __init pcibios_allocate_resources(int pass)
		idx, r, disabled, pass);
		if (pci_claim_resource(dev, idx) < 0) {
		/* We'll assign a new address later */
		dev->fw_addr[idx] = r->start;
		r->end -= r->start;
		r->start = 0;
		}

+32 −0

Original line number	Diff line number	Diff line
		@@ -156,6 +156,38 @@ static int __pci_assign_resource(struct pci_bus bus, struct pci_dev dev,
		pcibios_align_resource, dev);
		}

		if (ret < 0 && dev->fw_addr[resno]) {
		struct resource root, conflict;
		resource_size_t start, end;

		/*
		* If we failed to assign anything, let's try the address
		* where firmware left it. That at least has a chance of
		* working, which is better than just leaving it disabled.
		*/

		if (res->flags & IORESOURCE_IO)
		root = &ioport_resource;
		else
		root = &iomem_resource;

		start = res->start;
		end = res->end;
		res->start = dev->fw_addr[resno];
		res->end = res->start + size - 1;
		dev_info(&dev->dev, "BAR %d: trying firmware assignment %pR\n",
		resno, res);
		conflict = request_resource_conflict(root, res);
		if (conflict) {
		dev_info(&dev->dev,
		"BAR %d: %pR conflicts with %s %pR\n", resno,
		res, conflict->name, conflict);
		res->start = start;
		res->end = end;
		} else
		ret = 0;
		}

		if (!ret) {
		res->flags &= ~IORESOURCE_STARTALIGN;
		dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res);

+1 −0

Original line number	Diff line number	Diff line
		@@ -288,6 +288,7 @@ struct pci_dev {
		*/
		unsigned int irq;
		struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
		resource_size_t fw_addr[DEVICE_COUNT_RESOURCE]; /* FW-assigned addr */

		/* These fields are used by common fixups */
		unsigned int transparent:1; /* Transparent PCI bridge */