i2c subsystem · Maintained

Maintainers

• M Andi Shyti <andi.shyti@kernel.org>

Paths

• F Documentation/i2c/
• F drivers/i2c/*
• F include/dt-bindings/i2c/i2c.h
• F include/linux/i2c-dev.h
• F include/linux/i2c-smbus.h
• F include/linux/i2c.h
• F include/uapi/linux/i2c-*.h
• F include/uapi/linux/i2c.h

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v11 0/7] I2C Mux per channel bus speed
  2026-07-13 07:20 · 2 replies in 7d · Marcus Folkesson <marcus.folkesson@gmail.com>

Recent patches

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

• WARM1d [PATCH v11 7/7] docs: i2c: i2c-topology: add section about bus speed
  2026-07-13 · Marcus Folkesson <marcus.folkesson@gmail.com>
• WARM1d [PATCH v11 1/7] i2c: core: add callback to change bus frequency
  2026-07-13 · Marcus Folkesson <marcus.folkesson@gmail.com>
• COOLING7d [PATCH v10 7/7] docs: i2c: i2c-topology: add section about bus speed
  2026-07-08 · Marcus Folkesson <marcus.folkesson@gmail.com>
• COOLING7d [PATCH v10 1/7] i2c: core: add callback to change bus frequency
  2026-07-08 · Marcus Folkesson <marcus.folkesson@gmail.com>
• COLD15d [PATCH 1/7] i2c: add I2C_XFER_V2 - support for detailed transfer reporting
  2026-06-23 · Dmitry Guzman <hidden>
• COLD46d [PATCH v9 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-03-24 · Marcus Folkesson <marcus.folkesson@gmail.com>
• COLD46d [PATCH v9 1/5] i2c: core: add callback to change bus frequency
  2026-03-24 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE122d [PATCH v8 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-03-14 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE122d [PATCH v8 1/5] i2c: core: add callback to change bus frequency
  2026-03-14 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE129d [PATCH v7 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-02-23 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE129d [PATCH v7 1/5] i2c: core: add callback to change bus frequency
  2026-02-23 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE136d [PATCH v2 01/12] i2c: allow setting the parent device and OF node through the adapter struct
  2026-02-23 · Bartosz Golaszewski <hidden>
• STALE121d [PATCH v2 02/13] i2c: add i2c_adapter-specific printk helpers
  2026-02-23 · Bartosz Golaszewski <hidden>
• STALE143d [PATCH v6 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-02-16 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE143d [PATCH v6 1/5] i2c: core: add callback to change bus frequency
  2026-02-16 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE150d [PATCH v5 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-02-13 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE150d [PATCH v5 1/5] i2c: core: add callback to change bus frequency
  2026-02-13 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE153d [PATCH v4 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-01-28 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE153d [PATCH v4 1/5] i2c: core: add callback to change bus frequency
  2026-01-28 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE191d [PATCH 01/12] i2c: allow setting the parent device and OF node through the adapter struct
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE178d [PATCH 01/12] i2c: add i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE184d [PATCH RESEND v3 5/5] docs: i2c: i2c-topology: add section about bus speed
  2025-12-02 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE184d [PATCH RESEND v3 1/5] i2c: core: add callback to change bus frequency
  2025-12-02 · Marcus Folkesson <marcus.folkesson@gmail.com>
• DORMANTno replies [PATCH RESEND v3 5/5] docs: i2c: i2c-topology: add section about bus speed
  2025-11-17 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE241d [PATCH RESEND v3 1/5] i2c: core: add callback to change bus frequency
  2025-11-17 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE248d [PATCH v3 5/5] docs: i2c: i2c-topology: add section about bus speed
  2025-10-20 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE248d [PATCH v3 1/5] i2c: core: add callback to change bus frequency
  2025-10-20 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE275d [PATCH v2 5/5] docs: i2c: i2c-topology: add section about bus speed
  2025-10-02 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE275d [PATCH v2 1/5] i2c: core: add callback to change bus frequency
  2025-10-02 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE295d [PATCH RFC 7/7] docs: i2c: i2c-topology: add section about bus speed
  2025-09-22 · Marcus Folkesson <marcus.folkesson@gmail.com>

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.

• STALE191d [PATCH 01/12] i2c: allow setting the parent device and OF node through the adapter struct
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE153d [PATCH v4 1/5] i2c: core: add callback to change bus frequency
  2026-01-28 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE153d [PATCH v4 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-01-28 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE143d [PATCH v6 1/5] i2c: core: add callback to change bus frequency
  2026-02-16 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE143d [PATCH v6 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-02-16 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE121d [PATCH v2 02/13] i2c: add i2c_adapter-specific printk helpers
  2026-02-23 · Bartosz Golaszewski <hidden>
• STALE129d [PATCH v7 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-02-23 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE122d [PATCH v8 1/5] i2c: core: add callback to change bus frequency
  2026-03-14 · Marcus Folkesson <marcus.folkesson@gmail.com>
• STALE122d [PATCH v8 5/5] docs: i2c: i2c-topology: add section about bus speed
  2026-03-14 · Marcus Folkesson <marcus.folkesson@gmail.com>