From 7fa6a50eb3625638d5c8fec6187d3da9d1733dca Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Thu, 23 Feb 2012 20:19:03 -0700 Subject: sh/PCI: get rid of device resource fixups Tell the PCI core about host bridge address translation so it can take care of bus-to-resource conversion for us. CC: Paul Mundt Signed-off-by: Bjorn Helgaas --- arch/sh/drivers/pci/pci.c | 75 +++++++---------------------------------------- 1 file changed, 11 insertions(+), 64 deletions(-) (limited to 'arch/sh/drivers') diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 8f18dd090a6..e5aacef1d04 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -37,11 +37,20 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose) static int next_busno; static int need_domain_info; LIST_HEAD(resources); + struct resource *res; + resource_size_t offset; int i; struct pci_bus *bus; - for (i = 0; i < hose->nr_resources; i++) - pci_add_resource(&resources, hose->resources + i); + for (i = 0; i < hose->nr_resources; i++) { + res = hose->resources + i; + offset = 0; + if (res->flags & IORESOURCE_IO) + offset = hose->io_offset; + else if (res->flags & IORESOURCE_MEM) + offset = hose->mem_offset; + pci_add_resource_offset(&resources, res, offset); + } bus = pci_scan_root_bus(NULL, next_busno, hose->pci_ops, hose, &resources); @@ -143,42 +152,12 @@ static int __init pcibios_init(void) } subsys_initcall(pcibios_init); -static void pcibios_fixup_device_resources(struct pci_dev *dev, - struct pci_bus *bus) -{ - /* Update device resources. */ - struct pci_channel *hose = bus->sysdata; - unsigned long offset = 0; - int i; - - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - if (!dev->resource[i].start) - continue; - if (dev->resource[i].flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (dev->resource[i].flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - dev->resource[i].start += offset; - dev->resource[i].end += offset; - } -} - /* * Called after each bus is probed, but before its children * are examined. */ void __devinit pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_dev *dev; - struct list_head *ln; - - for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) { - dev = pci_dev_b(ln); - - if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI) - pcibios_fixup_device_resources(dev, bus); - } } /* @@ -208,36 +187,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, return start; } -void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res) -{ - struct pci_channel *hose = dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - region->start = res->start - offset; - region->end = res->end - offset; -} - -void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region) -{ - struct pci_channel *hose = dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - res->start = region->start + offset; - res->end = region->end + offset; -} - int pcibios_enable_device(struct pci_dev *dev, int mask) { return pci_enable_resources(dev, mask); @@ -381,8 +330,6 @@ EXPORT_SYMBOL(pci_iounmap); #endif /* CONFIG_GENERIC_IOMAP */ #ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL(pcibios_resource_to_bus); -EXPORT_SYMBOL(pcibios_bus_to_resource); EXPORT_SYMBOL(PCIBIOS_MIN_IO); EXPORT_SYMBOL(PCIBIOS_MIN_MEM); #endif -- cgit v1.2.3