diff options
| author | Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com> | 2016-04-08 15:50:27 -0700 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2016-04-15 18:06:09 +0100 |
| commit | 1a2db300348b799479d2d22b84d51b27ad0458c7 (patch) | |
| tree | c9e3329f00575143dae72e14725b9e48161e34d7 /arch/arm64/kernel/pci.c | |
| parent | 3194ac6e66cc7a00c1fa9fecf33a7c376b489497 (diff) | |
| download | linux-1a2db300348b799479d2d22b84d51b27ad0458c7.tar.bz2 | |
arm64, numa: Add NUMA support for arm64 platforms.
Attempt to get the memory and CPU NUMA node via of_numa. If that
fails, default the dummy NUMA node and map all memory and CPUs to node
0.
Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/pci.c')
| -rw-r--r-- | arch/arm64/kernel/pci.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index c72de668e1d4..3c4e308b40a0 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -74,6 +74,16 @@ int raw_pci_write(unsigned int domain, unsigned int bus, return -ENXIO; } +#ifdef CONFIG_NUMA + +int pcibus_to_node(struct pci_bus *bus) +{ + return dev_to_node(&bus->dev); +} +EXPORT_SYMBOL(pcibus_to_node); + +#endif + #ifdef CONFIG_ACPI /* Root bridge scanning */ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) |