From mboxrd@z Thu Jan 1 00:00:00 1970 From: hanjun.guo@linaro.org (Hanjun Guo) Date: Wed, 27 May 2015 15:31:51 +0800 Subject: [PATCH 11/11] ARM64 / PCI / ACPI: support for ACPI based PCI hostbridge init In-Reply-To: <55648D52.4000809@linaro.org> References: <1432644564-24746-1-git-send-email-hanjun.guo@linaro.org> <1432644564-24746-12-git-send-email-hanjun.guo@linaro.org> <55648D52.4000809@linaro.org> Message-ID: <556572E7.1090802@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2015?05?26? 23:12, Tomasz Nowicki wrote: > On 26.05.2015 14:49, Hanjun Guo wrote: >> Based on Jiang Liu's common interface to support PCI host bridge >> init and refactoring of MMCONFIG, this patch using information >> from ACPI MCFG table and IO/irq resources from _CRS to init >> ARM64 PCI hostbridge, then PCI will work on ARM64. >> >> This patch is based on Mark Salter and Tomasz Nowicki's work. >> >> Signed-off-by: Hanjun Guo >> Tested-by: Suravee Suthikulpanit >> CC: Arnd Bergmann >> CC: Catalin Marinas >> CC: Liviu Dudau >> CC: Lorenzo Pieralisi >> CC: Will Deacon >> --- >> arch/arm64/Kconfig | 7 ++ >> arch/arm64/kernel/pci.c | 245 >> +++++++++++++++++++++++++++++++++++++++++++++--- >> drivers/pci/pci.c | 26 +++-- >> 3 files changed, 257 insertions(+), 21 deletions(-) >> >> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig >> index 9b80428..8e4b789 100644 >> --- a/arch/arm64/Kconfig >> +++ b/arch/arm64/Kconfig >> @@ -276,6 +276,13 @@ config PCI_DOMAINS_GENERIC >> config PCI_SYSCALL >> def_bool PCI >> >> +config PCI_MMCONFIG >> + def_bool y >> + select PCI_ECAM >> + select HAVE_PCI_ECAM >> + select GENERIC_PCI_ECAM > HAVE_PCI_ECAM and GENERIC_PCI_ECAM should be selected by platform. OK. > >> + depends on ACPI > I think we should depend on PCI too. Since ACPI depends on PCI, denpends on PCI is duplicate I think. Thanks Hanjun