[PATCH v2 0/9] PCI: endpoint: Differentiate between disabled and reserved BARs
Niklas Cassel
cassel at kernel.org
Wed Feb 25 09:03:23 PST 2026
Hello all,
This series was originally written in response to the patch series from
Manikanta Maddireddy that was posted here:
https://lore.kernel.org/linux-pci/291dab65-3fa6-4fc8-90a2-4ad608ca015c@nvidia.com/T/#t
Manikanta has reviewed V1 and will send a small series on top of this one.
Changes since v1:
-Rebased on latest pci/endpoint branch
-Picked up tags
-Fixed review comments from Frank and Manikanta (thank you)
-Simplified function bar_is_reserved()
Link to v1:
https://lore.kernel.org/linux-pci/20260217212707.2450423-11-cassel@kernel.org/
Koichiro Den (2):
PCI: endpoint: Describe reserved subregions within BARs
PCI: dw-rockchip: Describe RK3588 BAR4 DMA ctrl window
Niklas Cassel (7):
PCI: endpoint: Introduce pci_epc_bar_type BAR_64BIT_UPPER
PCI: endpoint: Introduce pci_epc_bar_type BAR_DISABLED
PCI: dwc: Replace certain BAR_RESERVED with BAR_DISABLED in glue
drivers
PCI: dwc: Disable BARs in common code instead of in each glue driver
PCI: endpoint: pci-epf-test: Advertise reserved BARs
misc: pci_endpoint_test: Give reserved BARs a distinct error code
selftests: pci_endpoint: Skip reserved BARs
drivers/misc/pci_endpoint_test.c | 21 ++++++++-
drivers/pci/controller/dwc/pci-dra7xx.c | 4 --
drivers/pci/controller/dwc/pci-imx6.c | 22 +++------
drivers/pci/controller/dwc/pci-keystone.c | 12 +++++
.../pci/controller/dwc/pci-layerscape-ep.c | 8 +---
drivers/pci/controller/dwc/pcie-artpec6.c | 4 --
.../pci/controller/dwc/pcie-designware-ep.c | 24 ++++++++++
.../pci/controller/dwc/pcie-designware-plat.c | 10 -----
drivers/pci/controller/dwc/pcie-dw-rockchip.c | 19 +++++---
drivers/pci/controller/dwc/pcie-keembay.c | 6 +--
drivers/pci/controller/dwc/pcie-qcom-ep.c | 14 +-----
drivers/pci/controller/dwc/pcie-rcar-gen4.c | 16 ++-----
drivers/pci/controller/dwc/pcie-stm32-ep.c | 10 -----
drivers/pci/controller/dwc/pcie-tegra194.c | 20 +++------
drivers/pci/controller/dwc/pcie-uniphier-ep.c | 24 +++-------
drivers/pci/controller/pcie-rcar-ep.c | 6 +--
drivers/pci/endpoint/functions/pci-epf-test.c | 24 ++++++++++
drivers/pci/endpoint/pci-epc-core.c | 6 ++-
include/linux/pci-epc.h | 45 +++++++++++++++++--
.../pci_endpoint/pci_endpoint_test.c | 4 ++
20 files changed, 174 insertions(+), 125 deletions(-)
base-commit: 8eaff52fc101c1f6b3215db93bba02c815155806
--
2.53.0
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