Re: [PATCH 11/11] ARM64 / PCI / ACPI: support for ACPI based PCI hostbridge init

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On 2015年05月26日 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 <hanjun.guo@xxxxxxxxxx>
Tested-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>
---
  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
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