i3c subsystem · Maintained

Maintainers

• M Alexandre Belloni <alexandre.belloni@bootlin.com>
• R Frank Li <Frank.Li@nxp.com>

Paths

• F Documentation/ABI/testing/sysfs-bus-i3c
• F Documentation/devicetree/bindings/i3c/
• F Documentation/driver-api/i3c
• F drivers/i3c/
• F include/dt-bindings/i3c/
• F include/linux/i3c/

Last 30 days

Active reviewers (last 30 days)

• Frank Li <Frank.Li@nxp.com>
  5 attestations (5 Reviewed-by) · last on 2026-06-12
• Kaixuan Li <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-06-24

Recent patches

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

• WARM2d [PATCH v2] i3c: master: svc: bound IBI payload to the requested max_payload_len
  2026-06-24 · Maoyi Xie <hidden>
• COOLING13d [PATCH] i3c: master: svc: bound IBI payload to the requested max_payload_len
  2026-06-23 · Maoyi Xie <hidden>
• WARM2d [PATCH] i3c: master: adi: initialize the lock before enabling interrupts
  2026-06-17 · Runyu Xiao <hidden>
• COLD20d REVIEWED: 13 (13M) [PATCH v4 07/16] i3c: renesas: Clean DATBAS register on detach
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d [PATCH v4 06/16] i3c: renesas: Perform Dynamic Address Assignment on resume
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d REVIEWED: 13 (13M) [PATCH v4 05/16] i3c: renesas: Reset the controller on resume
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d REVIEWED: 13 (13M) [PATCH v4 04/16] i3c: renesas: Reconfigure the DATBAS register on re-attach
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d REVIEWED: 13 (13M) [PATCH v4 03/16] i3c: renesas: Follow the reset deassert order used in probe
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d REVIEWED: 13 (13M) [PATCH v4 02/16] i3c: renesas: Restore STDBR and EXTBR registers on resume
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD20d [PATCH v4 01/16] i3c: renesas: Check that the transfer is valid before accessing it
  2026-06-12 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 08/17] i3c: renesas: Clean DATBAS register on detach
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d [PATCH v3 07/17] i3c: renesas: Do not attach devices if xfer failed
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d [PATCH v3 06/17] i3c: renesas: Perform Dynamic Address Assignment on resume
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 05/17] i3c: renesas: Reset the controller on resume
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 04/17] i3c: renesas: Reconfigure the DATBAS register on re-attach
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 03/17] i3c: renesas: Follow the reset deassert order used in probe
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 02/17] i3c: renesas: Restore STDBR and EXTBR registers on resume
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD26d REVIEWED: 13 (13M) [PATCH v3 01/17] i3c: renesas: Check that the transfer is valid before accessing it
  2026-06-08 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d Re: [PATCH v2 06/17] i3c: renesas: Perform Dynamic Address Assignment on resume
  2026-06-04 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d REVIEWED: 13 (13M) [PATCH v2 08/17] i3c: renesas: Clean DATBAS register on detach
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d [PATCH v2 07/17] i3c: renesas: Do not attach devices if xfer failed
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d [PATCH v2 06/17] i3c: renesas: Perform Dynamic Address Assignment on resume
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d REVIEWED: 13 (13M) [PATCH v2 05/17] i3c: renesas: Reset the controller on resume
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d [PATCH v2 04/17] i3c: renesas: Reconfigure the DATBAS register on re-attach
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d REVIEWED: 13 (13M) [PATCH v2 03/17] i3c: renesas: Follow the reset deassert order used in probe
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d REVIEWED: 13 (13M) [PATCH v2 02/17] i3c: renesas: Restore STDBR and EXTBR registers on resume
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD33d REVIEWED: 13 (13M) [PATCH v2 01/17] i3c: renesas: Check that the transfer is valid before accessing it
  2026-06-02 · Claudiu Beznea <claudiu.beznea@kernel.org>
• COLD36d Re: Linux 6.1.175
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.209
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.258
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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.

• STALE146d REVIEWED: 13 (13M) [PATCH AUTOSEL 6.19-6.12] i3c: mipi-i3c-hci: Reset RING_OPERATION1 fields during init
  2026-02-10 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE146d REVIEWED: 13 (13M) [PATCH AUTOSEL 6.19-6.12] i3c: mipi-i3c-hci: Ensure proper bus clean-up
  2026-02-10 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE146d REVIEWED: 13 (13M) [PATCH AUTOSEL 6.19-6.12] i3c: mipi-i3c-hci-pci: Add System Suspend support
  2026-02-10 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE146d REVIEWED: 13 (13M) [PATCH AUTOSEL 6.19-6.18] i3c: mipi-i3c-hci: Stop reading Extended Capabilities if capability ID is 0
  2026-02-10 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE112d REVIEWED: 13 (13M) [PATCH AUTOSEL 6.19-6.12] i3c: master: dw-i3c: Fix missing of_node for virtual I2C adapter
  2026-03-17 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 13 (13M) FAILED: patch "[PATCH] i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path" failed to apply to 6.12-stable tree
  2026-03-17 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 13 (13M) FAILED: patch "[PATCH] i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path" failed to apply to 6.6-stable tree
  2026-03-17 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 13 (13M) FAILED: patch "[PATCH] i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path" failed to apply to 5.15-stable tree
  2026-03-17 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 13 (13M) FAILED: patch "[PATCH] i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path" failed to apply to 6.1-stable tree
  2026-03-17 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 13 (13M) FAILED: patch "[PATCH] i3c: mipi-i3c-hci: Consolidate spinlocks" failed to apply to 6.12-stable tree
  2026-03-17 · <gregkh@linuxfoundation.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.

• DORMANTno replies Re: Linux 6.12.63
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE201d Re: Linux 6.18.2
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.17.13
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE140d [PATCH 6.6 103/737] i3c: master: Inherit DMA masks and parameters from parent device
  2026-01-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE176d [PATCH 6.1 073/634] i3c: master: Inherit DMA masks and parameters from parent device
  2026-01-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE176d [PATCH 6.1 072/634] i3c: Allow OF-alias-based persistent bus numbering
  2026-01-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE177d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE172d [PATCH 5.15 062/554] i3c: remove i2c board info from i2c_dev_desc
  2026-01-15 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE172d [PATCH 5.15 063/554] i3c: support dynamically added i2c devices
  2026-01-15 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>