diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 16:24:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-21 16:24:54 -0700 |
| commit | 3bb07f1b73ea6313b843807063e183e168c9182a (patch) | |
| tree | f0e2ab77b8bc993a843a0edede00668c589863cc /include | |
| parent | 6326c71fd2fb3bef5fa33951479298b683da35fe (diff) | |
| parent | 5420e46d4d79bcd5d5952df98d022c8412385d32 (diff) | |
Merge tag 'pci-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
- Host bridge cleanups from Yinghai
- Disable Bus Master bit on PCI device shutdown (kexec-related)
- Stratus ftServer fix
- pci_dev_reset() locking fix
- IvyBridge graphics erratum workaround
* tag 'pci-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits)
microblaze/PCI: fix "io_offset undeclared" error
x86/PCI: only check for spinlock being held in SMP kernels
resources: add resource_overlaps()
PCI: fix uninitialized variable 'cap_mask'
MAINTAINERS: update PCI git tree and patchwork
PCI: disable Bus Master on PCI device shutdown
PCI: work around IvyBridge internal graphics FLR erratum
x86/PCI: fix unused variable warning in amd_bus.c
PCI: move mutex locking out of pci_dev_reset function
PCI: work around Stratus ftServer broken PCIe hierarchy
x86/PCI: merge pcibios_scan_root() and pci_scan_bus_on_node()
x86/PCI: dynamically allocate pci_root_info for native host bridge drivers
x86/PCI: embed pci_sysdata into pci_root_info on ACPI path
x86/PCI: embed name into pci_root_info struct
x86/PCI: add host bridge resource release for _CRS path
x86/PCI: refactor get_current_resources()
PCI: add host bridge release support
PCI: add generic device into pci_host_bridge struct
PCI: rename pci_host_bridge() to find_pci_root_bridge()
x86/PCI: fix memleak with get_current_resources()
...
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/pci-bridge.h | 6 | ||||
| -rw-r--r-- | include/linux/ioport.h | 7 | ||||
| -rw-r--r-- | include/linux/pci.h | 9 |
3 files changed, 21 insertions, 1 deletions
diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h index a5b5d5a89a4..20db2e5a0a6 100644 --- a/include/asm-generic/pci-bridge.h +++ b/include/asm-generic/pci-bridge.h @@ -30,6 +30,12 @@ enum { PCI_ENABLE_PROC_DOMAINS = 0x00000010, /* ... except for domain 0 */ PCI_COMPAT_DOMAIN_0 = 0x00000020, + + /* PCIe downstream ports are bridges that normally lead to only a + * device 0, but if this is set, we scan all possible devices, not + * just device 0. + */ + PCI_SCAN_ALL_PCIE_DEVS = 0x00000040, }; #ifdef CONFIG_PCI diff --git a/include/linux/ioport.h b/include/linux/ioport.h index e885ba23de7..589e0e75efa 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -223,5 +223,12 @@ extern int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, void *arg, int (*func)(unsigned long, unsigned long, void *)); +/* True if any part of r1 overlaps r2 */ +static inline bool resource_overlaps(struct resource *r1, struct resource *r2) +{ + return (r1->start <= r2->end && r1->end >= r2->start); +} + + #endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index e444f5b4911..17b7b5b01b4 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -375,11 +375,18 @@ struct pci_host_bridge_window { }; struct pci_host_bridge { - struct list_head list; + struct device dev; struct pci_bus *bus; /* root bus */ struct list_head windows; /* pci_host_bridge_windows */ + void (*release_fn)(struct pci_host_bridge *); + void *release_data; }; +#define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) +void pci_set_host_bridge_release(struct pci_host_bridge *bridge, + void (*release_fn)(struct pci_host_bridge *), + void *release_data); + /* * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond * to P2P or CardBus bridge windows) go in a table. Additional ones (for |