| Message ID | 20210819215655.84866-1-jeremy.linton@arm.com |
|---|---|
| Headers | show |
| Series | CM4 ACPI PCIe quirk | expand |
On Thu, Aug 19, 2021 at 04:56:51PM -0500, Jeremy Linton wrote: > The PFTF CM4 is an ACPI platform that is following the Arm PCIe SMC > (DEN0115) standard because its PCIe config space isn't ECAM compliant > since it is split into two parts. One part describes the root port > registers, and another contains a moveable window pointing at a given > device's 4K config space. Thus it doesn't have an MCFG table. As > Linux doesn't support the PCI/SMC, a host bridge specific _DSD is > added and associated with custom ECAM ops and cfgres. The custom cfg > op selects between those two regions, as well as disallowing > problematic accesses. > > V1->V2: > Only move register definitions to new .h file, add > include guards. > Change quirk namespace identifier. > Update Maintainers file. > A number of whitespace, grammar, etc fixes. > > > Jeremy Linton (4): > PCI: brcmstb: Break register definitions into separate header > PCI: brcmstb: Add ACPI config space quirk > PCI/ACPI: Add Broadcom bcm2711 MCFG quirk > MAINTAINERS: Widen brcmstb PCIe file scope > > MAINTAINERS | 2 +- > drivers/acpi/pci_mcfg.c | 13 ++ > drivers/pci/controller/Makefile | 1 + > drivers/pci/controller/pcie-brcmstb-acpi.c | 74 ++++++++++ > drivers/pci/controller/pcie-brcmstb.c | 150 +------------------- > drivers/pci/controller/pcie-brcmstb.h | 155 +++++++++++++++++++++ > include/linux/pci-ecam.h | 1 + > 7 files changed, 247 insertions(+), 149 deletions(-) > create mode 100644 drivers/pci/controller/pcie-brcmstb-acpi.c > create mode 100644 drivers/pci/controller/pcie-brcmstb.h I'm fine with all of these, given the minor comments I made. Lorenzo, if you want to pick this up after Jeremy updates it: Acked-by: Bjorn Helgaas <bhelgaas@google.com>