Hi Tomasz, On 2016/1/13 21:21, Tomasz Nowicki wrote:
Because of two patch series: 1. Jiang Liu's common interface to support PCI host controller init 2. MMCONFIG refactoring (part of this patch set) now we can think about generic ACPI based PCI host controller init implementation out of arch/ directory. These calls use information from MCFG table (PCI config space regions) and _CRS method (IO/irq resources) to initialize PCI hostbridge. TBD: We are still not sure whether we should reassign resources after PCI bus enumeration or trust firmware to do all that work for us properly. Signed-off-by: Tomasz Nowicki <tn@xxxxxxxxxxxx> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx> CC: Arnd Bergmann <arnd@xxxxxxxx> CC: Catalin Marinas <catalin.marinas@xxxxxxx> CC: Liviu Dudau <Liviu.Dudau@xxxxxxx> CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@xxxxxxx> CC: Will Deacon <will.deacon@xxxxxxx> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx> Tested-by: Jeremy Linton <jeremy.linton@xxxxxxx> --- drivers/acpi/Kconfig | 5 ++ drivers/acpi/pci_root.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 136 insertions(+) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index c3664be..e315061 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -335,6 +335,11 @@ config ACPI_PCI_SLOT i.e., segment/bus/device/function tuples, with physical slots in the system. If you are unsure, say N. +config ACPI_PCI_HOST_GENERIC + bool "Generic ACPI PCI host controller" + help + Say Y here if you want to support generic ACPI PCI host controller.
Since x86 and IA64 will not use ACPI_PCI_HOST_GENERIC in this patch, it should be defined as config ACPI_PCI_HOST_GENERIC bool and select for ARCHs, or will default y on x86 and IA64 too. Compiling the kernel on a IA64 machine, will send out the result when it's ready. Thanks Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
