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path: root/drivers/pci/host-bridge.c
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2015-04-10Merge branch 'pci/misc' into nextBjorn Helgaas
* pci/misc: PCI: Read capability list as dwords, not bytes PCI: Don't clear ASPM bits when the FADT declares it's unsupported PCI: Clarify policy for vendor IDs in pci.txt PCI/ACPI: Optimize device state transition delays PCI: Export pci_find_host_bridge() for use inside PCI core PCI: Make a shareable UUID for PCI firmware ACPI _DSM PCI: Fix typo in Thunderbolt kernel message
2015-04-08PCI: Export pci_find_host_bridge() for use inside PCI coreAaron Lu
The find_pci_host_bridge() function can be useful to other PCI code so export it. Change its name to pci_find_host_bridge(). Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2015-03-03PCI: Add helper functions pci_get[put]_host_bridge_device()Murali Karicheri
Add helper functions to get/put the root bus's host bridge device. Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> (AMD Seattle) Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> CC: Joerg Roedel <joro@8bytes.org> CC: Grant Likely <grant.likely@linaro.org> CC: Rob Herring <robh+dt@kernel.org> CC: Russell King <linux@arm.linux.org.uk> CC: Arnd Bergmann <arnd@arndb.de>
2015-02-05PCI: Use common resource list management code instead of private implementationJiang Liu
Use common resource list management data structure and interfaces instead of private implementation. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-04-14PCI: Remove unnecessary includes of <linux/init.h>Paul Gortmaker
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-02-26resource: Add resource_contains()Bjorn Helgaas
We have two identical copies of resource_contains() already, and more places that could use it. This moves it to ioport.h where it can be shared. resource_contains(struct resource *r1, struct resource *r2) returns true iff r1 and r2 are the same type (most callers already checked this separately) and the r1 address range completely contains r2. In addition, the new resource_contains() checks that both r1 and r2 have addresses assigned to them. If a resource is IORESOURCE_UNSET, it doesn't have a valid address and can't contain or be contained by another resource. Some callers already check this or for res->start. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-12-21PCI: Convert pcibios_resource_to_bus() to take a pci_bus, not a pci_devYinghai Lu
These interfaces: pcibios_resource_to_bus(struct pci_dev *dev, *bus_region, *resource) pcibios_bus_to_resource(struct pci_dev *dev, *resource, *bus_region) took a pci_dev, but they really depend only on the pci_bus. And we want to use them in resource allocation paths where we have the bus but not a device, so this patch converts them to take the pci_bus instead of the pci_dev: pcibios_resource_to_bus(struct pci_bus *bus, *bus_region, *resource) pcibios_bus_to_resource(struct pci_bus *bus, *resource, *bus_region) In fact, with standard PCI-PCI bridges, they only depend on the host bridge, because that's the only place address translation occurs, but we aren't going that far yet. [bhelgaas: changelog] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-04-30PCI: add host bridge release supportYinghai Lu
We need a hook to release host bridge resources allocated when creating root bus. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-04-30PCI: add generic device into pci_host_bridge structYinghai Lu
Use that device for pci_root_bus bridge pointer. Use pci_release_bus_bridge_dev() to release allocated pci_host_bridge in remove path. Use root bus bridge pointer to get host bridge pointer instead of searching host bridge list. That leaves the host bridge list unused, so remove it. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-04-30PCI: rename pci_host_bridge() to find_pci_root_bridge()Yinghai Lu
pci_host_bridge() looks like a C++ constructor. Also separate find_pci_root_bus() out. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-04-30PCI: move host bridge-related code to host-bridge.cYinghai Lu
Move host bridge-related code from probe.c to a new host-bridge.c. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>