From mboxrd@z Thu Jan 1 00:00:00 1970 From: tn@semihalf.com (Tomasz Nowicki) Date: Tue, 10 May 2016 17:20:00 +0200 Subject: [PATCH V7 10/11] arm64, pci, acpi: Provide ACPI-specific prerequisites for PCI bus enumeration. In-Reply-To: <1462893601-8937-1-git-send-email-tn@semihalf.com> References: <1462893601-8937-1-git-send-email-tn@semihalf.com> Message-ID: <1462893601-8937-11-git-send-email-tn@semihalf.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 To: Catalin Marinas To: Lorenzo Pieralisi To: Will Deacon To: Arnd Bergmann --- arch/arm64/kernel/pci.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 15109c11..eeec5f6 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -17,6 +17,7 @@ #include #include #include +#include #include /* @@ -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. */ -- 1.9.1