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Groups > linux.kernel > #1294781
| From | Arnd Bergmann <arnd@arndb.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V2 21/23] pci, acpi: Support for ACPI based PCI hostbridge init |
| Date | 2015-12-18 13:50 +0100 |
| Message-ID | <qH2DW-5IP-55@gated-at.bofh.it> (permalink) |
| References | <qGm1X-3p8-11@gated-at.bofh.it> <qGm1Y-3p8-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wednesday 16 December 2015 16:16:31 Tomasz Nowicki wrote: > Because of two patch series: > 1. Jiang Liu's common interface to support PCI host bridge init > 2. MMCONFIG refactoring (part of this patch set) > now we can think about generic ACPI based PCI host bridge driver > out of arch/ directory. > > This driver 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@semihalf.com> > Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> > Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.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: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> > I think this code could better live in drivers/acpi/pci_root.c along with all the related functions. It's not really a driver by itself and cannot be a loadable module or built on other architectures. You can put all the code inside an #ifdef ARCH_PCI_HOST_GENERIC_ACPI there. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 12/23] pci, acpi: Move ACPI host bridge device companion assignment to core code. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 20/23] ACPI, PCI: Refine the way to handle translation_offset for ACPI resources Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 01/23] x86, pci: Reorder logic of pci_mmconfig_insert() function Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 21/23] pci, acpi: Support for ACPI based PCI hostbridge init Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
Re: [PATCH V2 21/23] pci, acpi: Support for ACPI based PCI hostbridge init Arnd Bergmann <arnd@arndb.de> - 2015-12-18 13:50 +0100
Re: [PATCH V2 21/23] pci, acpi: Support for ACPI based PCI hostbridge init Tomasz Nowicki <tn@semihalf.com> - 2015-12-21 11:30 +0100
[PATCH V2 19/23] acpi, mcfg: Add default PCI config accessors implementation and initial support for related quirks. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
RE: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-12-21 12:50 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Arnd Bergmann <arnd@arndb.de> - 2015-12-21 15:20 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Arnd Bergmann <arnd@arndb.de> - 2015-12-21 23:50 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Jon Masters <jcm@redhat.com> - 2015-12-22 00:30 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Jon Masters <jcm@redhat.com> - 2015-12-22 00:20 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Tomasz Nowicki <tn@semihalf.com> - 2015-12-22 09:50 +0100
RE: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-12-22 10:40 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Jon Masters <jcm@redhat.com> - 2015-12-22 17:40 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Jon Masters <jcm@redhat.com> - 2015-12-22 17:50 +0100
RE: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-12-22 19:00 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Tomasz Nowicki <tn@semihalf.com> - 2015-12-22 11:30 +0100
RE: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-12-22 15:50 +0100
Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Hanjun Guo <hanjun.guo@linaro.org> - 2015-12-23 10:40 +0100
[PATCH V2 09/23] pci, acpi, ecam: Add flag to indicate whether ECAM region was hot added or not. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:20 +0100
[PATCH V2 18/23] x86, acpi, pci: Use equivalent function introduced in previous patch. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 14/23] pci, acpi: Provide generic way to assign bus domain number. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 05/23] x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 11/23] arm64, pci: Remove useless boot time IRQ assignment when booting with DT. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 13/23] x86, ia64, pci: Remove ACPI companion device from platform specific data. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 10/23] x86, pci: Cleanup platform specific MCFG data using previously added ECAM hot_added flag. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 16/23] x86, ia64: Include acpi_pci_{add|remove}_bus to the default pcibios_{add|remove}_bus implementation. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
Re: [PATCH V2 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki <tn@semihalf.com> - 2015-12-17 11:30 +0100
Re: [PATCH V2 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki <tn@semihalf.com> - 2015-12-17 11:50 +0100
Re: [PATCH V2 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2015-12-21 19:20 +0100
Re: [PATCH V2 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki <tn@semihalf.com> - 2015-12-22 09:40 +0100
[PATCH V2 15/23] x86, ia64, pci: Convert arches to use PCI_DOMAINS_GENERIC. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 08/23] arm64, acpi: Use empty PCI config space accessors from mcfg.c file. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 03/23] pci, acpi, mcfg: Provide generic implementation of MCFG code initialization. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 07/23] pci, acpi, mcfg: Provide default RAW ACPI PCI config space accessors. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 17/23] acpi, mcfg: Implement two calls that might be used to inject/remove MCFG region. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 04/23] x86, pci: mmconfig_{32,64}.c code refactoring - remove code duplication. Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
[PATCH V2 02/23] x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code out of arch/x86/ directory Tomasz Nowicki <tn@semihalf.com> - 2015-12-16 16:30 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Sinan Kaya <okaya@codeaurora.org> - 2015-12-17 22:30 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki <tn@semihalf.com> - 2015-12-18 13:30 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI okaya@codeaurora.org - 2015-12-18 20:00 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki <tn@semihalf.com> - 2015-12-21 11:40 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2015-12-21 13:10 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki <tn@semihalf.com> - 2015-12-21 13:50 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Arnd Bergmann <arnd@arndb.de> - 2015-12-21 15:20 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Okaya@codeaurora.org - 2015-12-21 16:30 +0100
Re: [PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Arnd Bergmann <arnd@arndb.de> - 2015-12-21 23:50 +0100
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