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    Subject[PATCH V4 23/23] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64.
    Date
    Lets get rid of empty PCI init stub, related ACPI header and
    go with full-blown PCI host bridge driver.

    Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
    CC: Arnd Bergmann <arnd@arndb.de>
    CC: Catalin Marinas <catalin.marinas@arm.com>
    CC: Liviu Dudau <Liviu.Dudau@arm.com>
    CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
    CC: Will Deacon <will.deacon@arm.com>
    Tested-by: Duc Dang <dhdang@apm.com>
    Tested-by: Dongdong Liu <liudongdong3@huawei.com>
    Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
    Tested-by: Graeme Gregory <graeme.gregory@linaro.org>
    Tested-by: Sinan Kaya <okaya@codeaurora.org>
    ---
    arch/arm64/Kconfig | 1 +
    arch/arm64/kernel/pci.c | 9 ---------
    2 files changed, 1 insertion(+), 9 deletions(-)

    diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
    index 4f45ea4..567523b 100644
    --- a/arch/arm64/Kconfig
    +++ b/arch/arm64/Kconfig
    @@ -2,6 +2,7 @@ config ARM64
    def_bool y
    select ACPI_CCA_REQUIRED if ACPI
    select ACPI_GENERIC_GSI if ACPI
    + select ACPI_PCI_HOST_GENERIC if ACPI
    select ACPI_REDUCED_HARDWARE_ONLY if ACPI
    select ARCH_HAS_DEVMEM_IS_ALLOWED
    select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
    diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
    index d1a701f..0b53262 100644
    --- a/arch/arm64/kernel/pci.c
    +++ b/arch/arm64/kernel/pci.c
    @@ -70,12 +70,3 @@ int pcibios_add_device(struct pci_dev *dev)

    return 0;
    }
    -
    -#ifdef CONFIG_ACPI
    -/* Root bridge scanning */
    -struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
    -{
    - /* TODO: Should be revisited when implementing PCI on ACPI */
    - return NULL;
    -}
    -#endif
    --
    1.9.1
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