pci subsystem · Supported

Maintainers

• M Bjorn Helgaas <bhelgaas@google.com>

Paths

• F Documentation/ABI/testing/sysfs-devices-pci-host-bridge
• F Documentation/PCI/
• F Documentation/devicetree/bindings/pci/
• F arch/x86/kernel/early-quirks.c
• F arch/x86/kernel/quirks.c
• F arch/x86/pci/
• F drivers/acpi/pci*
• F drivers/pci/
• F include/asm-generic/pci*
• F include/linux/of_pci.h
• F include/linux/pci*
• F include/uapi/linux/pci*

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH V5 0/4] Add PCIe M.2 Key E connector support for NXP i.MX boards
  2026-07-09 10:13 · 2 replies in 7d · Sherry Sun (OSS) <hidden>
• WARM1d [PATCH] PCI: rcar-gen4: Inline GIC_TRANSLATER offset macro
  2026-07-09 20:11 · 0 replies in 7d · Marek Vasut <marek.vasut+renesas@mailbox.org>
• WARM2d [PATCH v2] PCI: imx6: Add runtime PM support for i.MX95
  2026-07-08 03:56 · 2 replies in 7d · <hidden>
• WARM1d [PATCH] PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems
  2026-07-09 12:25 · 0 replies in 7d · Steffen Persvold <hidden>
• WARM3d [PATCH 1/2] dt-bindings: PCI: mediatek: Add support for optional perstout reset
  2026-07-08 09:05 · 1 reply in 7d · Christian Marangi <ansuelsmth@gmail.com>
• WARM2d [PATCH v4 0/5] PCI: rcar-gen4: irqchip/gic-v3: Handle GIC ITS
  2026-07-07 20:38 · 2 replies in 7d · Marek Vasut <marek.vasut+renesas@mailbox.org>
• HOTtoday [PATCH v7 00/22] dma-mapping: Track shared DMA state through direct, pool and swiotlb paths
  2026-07-08 15:09 · 1 reply in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM3d [PATCH] PCI: aspeed: Switch to irq_domain_create_linear()
  2026-07-08 09:58 · 0 replies in 7d · "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
• WARM2d [PATCH 0/2] PCI: apple: Integrate pwrctrl API
  2026-07-06 22:38 · 1 reply in 7d · Yureka Lilian <hidden>
• COOLING5d [PATCH v1] PCI: imx6: Add runtime PM support for i.MX95
  2026-07-06 09:13 · 0 replies in 7d · <hidden>

Active reviewers (last 30 days)

• Siddharth Vadapalli <s-vadapalli@ti.com>
  5 attestations (4 Co-developed-by, 1 Reviewed-by) · last on 2026-06-23
• Dragan Simic <hidden>
  3 attestations (3 Reported-by) · last on 2026-06-16
• Shawn Lin <shawn.lin@rock-chips.com>
  3 attestations (3 Reported-by) · last on 2026-06-16
• Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
  2 attestations (2 Co-developed-by) · last on 2026-07-07
• Kevin Tian <kevin.tian@intel.com>
  2 attestations (2 Suggested-by) · last on 2026-07-03
• Frank Li <Frank.Li@nxp.com>
  2 attestations (2 Reviewed-by) · last on 2026-06-23
• kernel test robot <hidden>
  1 attestation (1 Reported-by) · last on 2026-07-09
• Chen Wang <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-06-23
• Randy Dunlap <hidden>
  1 attestation (1 Tested-by) · last on 2026-06-23

Recent patches

Most-recent 30 patches in this subsystem on linux-arm-kernel (capped at 30), ordered by date desc.

• WARM1d [PATCH] PCI: rcar-gen4: Inline GIC_TRANSLATER offset macro
  2026-07-09 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• WARM1d [PATCH] PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems
  2026-07-09 · Steffen Persvold <hidden>
• HOTtoday [PATCH V5 2/4] PCI: imx6: Add skip_pwrctrl_off flag support
  2026-07-09 · Sherry Sun (OSS) <hidden>
• HOTtoday [PATCH V5 1/4] PCI: imx6: Move pci_pwrctrl_create_devices() to imx_pcie_probe()
  2026-07-09 · Sherry Sun (OSS) <hidden>
• HOTtoday Re: [PATCH v7 16/22] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED
  2026-07-08 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• WARM3d [PATCH] PCI: aspeed: Switch to irq_domain_create_linear()
  2026-07-08 · "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
• WARM3d [PATCH 2/2] PCI: mediatek: handle optional reset for perstout for AN7583
  2026-07-08 · Christian Marangi <ansuelsmth@gmail.com>
• WARM3d [PATCH 1/2] dt-bindings: PCI: mediatek: Add support for optional perstout reset
  2026-07-08 · Christian Marangi <ansuelsmth@gmail.com>
• WARM2d [PATCH v2] PCI: imx6: Update MPLLB bandwidth to improve i.MX95 Gen3 PCIe stability
  2026-07-08 · <hidden>
• WARM2d [PATCH v2] PCI: imx6: Fix i.MX6Q/DL boot hang by separating PHY power and reference clock control
  2026-07-08 · <hidden>
• WARM2d [PATCH v2] PCI: imx6: Add runtime PM support for i.MX95
  2026-07-08 · <hidden>
• WARM2d [PATCH v4 2/5] PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used
  2026-07-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• WARM2d [PATCH v4 1/5] PCI: dwc: Determine whether iMSI is used before calling .init
  2026-07-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• WARM2d [PATCH 1/2] PCI: apple: Integrate pwrctrl API
  2026-07-06 · Yureka Lilian <hidden>
• COOLING5d [PATCH v1] PCI: imx6: Add runtime PM support for i.MX95
  2026-07-06 · <hidden>
• WARM3d [PATCH v1] PCI: imx6: Update MPLLB bandwidth for i.MX95 PCIe Gen3 stability
  2026-07-06 · <hidden>
• WARM3d [PATCH v1] PCI: imx6: Fix i.MX6Q/DL boot hang by separating PHY power and reference clock control
  2026-07-06 · <hidden>
• COOLING5d [PATCH v1] PCI: dwc: Add force_l2 flag for platforms requiring L2 entry without D3cold
  2026-07-06 · <hidden>
• COOLING8d [PATCH v5 05/18] iommu: Pass in reset result to pci_dev_reset_iommu_done()
  2026-07-03 · Nicolin Chen <hidden>
• COOLING8d [PATCH v5 03/18] PCI: Propagate FLR return values to callers
  2026-07-03 · Nicolin Chen <hidden>
• COOLING8d [PATCH v5 02/18] PCI/CXL: Probe the underlying bus reset in cxl_reset_bus_function()
  2026-07-03 · Nicolin Chen <hidden>
• COOLING8d [PATCH v5 01/18] PCI: Don't suspend IOMMU when probing reset capability
  2026-07-03 · Nicolin Chen <hidden>
• WARM3d [PATCH v3 1/5] PCI: dwc: Determine whether iMSI is used before calling .init
  2026-07-01 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• WARM3d [PATCH v3 2/5] PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used
  2026-07-01 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• COOLING9d [PATCH] dt-bindings: PCI: mediatek-gen3: Add support for MT8189 SoC
  2026-07-01 · Louis-Alexis Eyraud <hidden>
• COOLING10d [PATCH v1] PCI: xgene: Drop unnecessary OF node reference
  2026-06-30 · Yuho Choi <hidden>
• COOLING10d [PATCH V4 2/8] PCI: imx6: Add skip_pwrctrl_off flag support
  2026-06-30 · Sherry Sun (OSS) <hidden>
• COOLING10d [PATCH V4 1/8] PCI: imx6: Move pci_pwrctrl_create_devices() to imx_pcie_probe()
  2026-06-30 · Sherry Sun (OSS) <hidden>
• COOLING11d [PATCH v3 4/4] PCI: mediatek-gen3: Add 2-lanes mode support for Airoha AN7581
  2026-06-27 · Christian Marangi <ansuelsmth@gmail.com>
• COOLING11d [PATCH v3 3/4] dt-bindings: PCI: mediatek-gen3: Split Airoha schema and document 2-lanes
  2026-06-27 · Christian Marangi <ansuelsmth@gmail.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE135d REVIEWED: 8 (8M) [PATCH v3 3/9] PCI: endpoint: pci-epf-test: Use dmaenigne_prep_config_single() to simplify code
  2026-01-05 · Frank Li <Frank.Li@nxp.com> · 1 Reviewed-by, 1 Tested-by
• STALE135d REVIEWED: 1 (1M) [PATCH v3 8/9] PCI: epf-mhi: Use dmaengine_prep_config_single() to simplify code
  2026-01-05 · Frank Li <Frank.Li@nxp.com> · 1 Tested-by
• STALE171d REVIEWED: 13 (13M) [PATCH v9] PCI: dwc: Don't poll L2 if skip_l23_wait is true
  2026-01-14 · Richard Zhu <hongxing.zhu@nxp.com> · 1 Reviewed-by
• STALE115d REVIEWED: 21 (21M) [PATCH AUTOSEL 6.19-5.10] PCI: Mark Nvidia GB10 to avoid bus reset
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE115d REVIEWED: 14 (13M) [PATCH AUTOSEL 6.19-6.18] PCI: imx6: Add CLKREQ# override to enable REFCLK for i.MX95 PCIe
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by, 1 Tested-by
• STALE135d REVIEWED: 1 (0M) [PATCH v3 1/2] PCI: rockchip: limit RK3399 to 2.5 GT/s to avoid data loss
  2026-02-25 · Geraldo Nascimento <hidden> · 1 Reviewed-by
• STALE135d REVIEWED: 1 (0M) [PATCH v3 2/2] PCI: rockchip-host: comment danger of 5.0 GT/s speed
  2026-02-25 · Geraldo Nascimento <hidden> · 1 Reviewed-by
• STALE108d REVIEWED: 1 (0M) [PATCH v3] PCI: dw-rockchip: Enable async probe by default
  2026-02-26 · Anand Moon <hidden> · 1 Tested-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "PCI: j721e: Add config guards for Cadence Host and Endpoint library APIs" failed to apply to 6.18-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE185d [PATCH v7 6/7] PCI: aspeed: Add ASPEED PCIe RC driver
  2025-12-16 · Jacky Chou <jacky_chou@aspeedtech.com>
• STALE192d [PATCH 23/33] PCI: Remove superfluous HK_TYPE_WQ check
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE143d [PATCH 6/8] PCI: xilinx-nwl: Split phy_init from phy_power_on
  2026-02-03 · Sean Anderson <sean.anderson@linux.dev>
• STALE115d [PATCH AUTOSEL 6.19-6.1] PCI: dw-rockchip: Disable BAR 0 and BAR 1 for Root Port
  2026-02-14 · Sasha Levin <sashal@kernel.org>
• STALE144d [PATCH v7 2/9] PCI: dw-rockchip: Describe RK3588 BAR4 DMA ctrl window
  2026-02-15 · Koichiro Den <hidden>
• STALE138d [PATCH 1/4] PCI: endpoint: Add BAR_DISABLED and document BAR_RESERVED semantics
  2026-02-17 · Manikanta Maddireddy <hidden>
• STALE138d [PATCH 4/4] PCI: uniphier-ep: Convert unused BAR_RESERVED to BAR_DISABLED for Pro5
  2026-02-17 · Manikanta Maddireddy <hidden>
• STALE138d [PATCH 2/4] PCI: tegra194: Use 64-bit BAR layout and reset only first BAR in EP mode
  2026-02-17 · Manikanta Maddireddy <hidden>
• STALE143d [PATCH v8 2/9] PCI: dw-rockchip: Describe RK3588 BAR4 DMA ctrl window
  2026-02-17 · Koichiro Den <hidden>
• STALE143d [PATCH v8 5/9] PCI: dwc: ep: Expose integrated eDMA resources via EPC aux-resource API
  2026-02-17 · Koichiro Den <hidden>