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| author | Tomasz Nowicki <tn@semihalf.com> | 2016-05-10 16:01:52 +0200 |
|---|---|---|
| committer | Graeme Gregory <graeme.gregory@linaro.org> | 2016-05-17 11:17:27 +0100 |
| commit | 3e557ac6385c38eff0f4fd21a62b619b4187201e (patch) | |
| tree | 71815241aeb02ac42f5b69268d55084a00383e4b /arch/arm64/kernel/pci.c | |
| parent | 28a6834c8da66bb3fb8424a01ea81db8b212f4b4 (diff) | |
| download | leg-kernel-3e557ac6385c38eff0f4fd21a62b619b4187201e.tar.gz | |
arm64, pci, acpi: Provide ACPI-specific prerequisites for PCI bus enumeration.
ACPI requires to run acpi_pci_{add|remove}_bus while new PCI bus is created.
This allows to do some ACPI-specific additional configuration, like
PCI hotplug slot enumeration. In order to fulfill these requirements,
we implement arch-specific pcibios_{add|remove}_bus calls
and call acpi_pci_{add|remove}_bus from there.
Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
To: Catalin Marinas <catalin.marinas@arm.com>
To: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
To: Will Deacon <will.deacon@arm.com>
To: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm64/kernel/pci.c')
| -rw-r--r-- | arch/arm64/kernel/pci.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 15109c1143ff..eeec5f6df82b 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -17,6 +17,7 @@ #include <linux/mm.h> #include <linux/of_pci.h> #include <linux/of_platform.h> +#include <linux/pci-acpi.h> #include <linux/slab.h> /* @@ -64,6 +65,16 @@ int pcibios_alloc_irq(struct pci_dev *dev) return 0; } +void pcibios_add_bus(struct pci_bus *bus) +{ + acpi_pci_add_bus(bus); +} + +void pcibios_remove_bus(struct pci_bus *bus) +{ + acpi_pci_remove_bus(bus); +} + /* * raw_pci_read/write - Platform-specific PCI config space access. */ |