usb subsystem · Supported

Maintainers

• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F Documentation/devicetree/bindings/usb/
• F Documentation/usb/
• F drivers/usb/
• F include/dt-bindings/usb/
• F include/linux/usb.h
• F include/linux/usb/
• F include/uapi/linux/usb/
• F rust/kernel/usb.rs

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies [PATCH v2 0/2] usb: gadget: uac2: support explicit channel counts
  2026-09-24 23:16 · 2 replies in 7d · Kyle Farrell <hidden>

Active reviewers (last 30 days)

• Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  2 attestations (2 Acked-by) · last on 2026-09-17

Recent patches

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

• DORMANTno replies [PATCH v2 1/2] usb: gadget: u_audio: pass channel counts explicitly
  2026-09-24 · Kyle Farrell <hidden>
• DORMANTno replies [PATCH v2 2/2] usb: gadget: f_uac2: allow explicit channel count independent of channel mask
  2026-09-24 · Kyle Farrell <hidden>
• HOTtoday IN LINUX-NEXT: 19 (19M) [PATCH v3 10/40] drivers/usb/mon: update to use mmap_prepare + map kernel pages
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING8d REVIEWED: 19 (19M) [PATCH v2 10/40] drivers/usb/mon: update to use mmap_prepare + map kernel pages
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD17d [PATCH 09/39] drivers/usb/mon: update to use mmap_prepare + map kernel pages
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD25d [PATCH] docs: usbmon: Fix a typo in the example
  2026-09-05 · Karl Mehltretter <hidden>
• COLD33d [PATCH 2/2] usb: gadget: f_uac2: allow explicit channel counts
  2026-08-29 · Kyle Farrell <hidden>
• COLD33d [PATCH 1/2] usb: gadget: u_audio: pass channel counts explicitly
  2026-08-29 · Kyle Farrell <hidden>
• DORMANTno replies [PATCH 1/2] usb: gadget: u_audio: pass channel counts explicitly
  2026-07-29 · Kyle Farrell <hidden>
• DORMANTno replies [PATCH 2/2] usb: gadget: f_uac2: allow explicit channel counts
  2026-07-29 · Kyle Farrell <hidden>
• DORMANTno replies REVIEWED: 5 (5M) [PATCH v5 2/2] usb: hub: Split announce_device() to log device identity before enumeration
  2026-07-28 · Nikhil Solanke <hidden>
• STALE64d REVIEWED: 5 (5M) [PATCH v5 1/2] usb: core: Add quirk for 255-bytes initial config read
  2026-07-28 · Nikhil Solanke <hidden>
• STALE65d [PATCH v4 2/2] usb: hub: Split announce_device() to log device identity before enumeration
  2026-07-27 · Nikhil Solanke <hidden>
• STALE65d [PATCH v4 1/2] usb: core: Add quirk for 255-bytes initial config read
  2026-07-27 · Nikhil Solanke <hidden>
• STALE66d [PATCH 2/2] USB: hub: Split announce_device() to log device identity before enumeration
  2026-07-17 · Nikhil Solanke <hidden>
• STALE66d [PATCH 1/2] usbcore: Add quirk for 255-bytes initial config read
  2026-07-17 · Nikhil Solanke <hidden>
• DORMANTno replies [PATCH] dt-bindings: fix typos and brackets
  2026-07-13 · Manuel Ebner <hidden>
• STALE91d REVIEWED: 9 (9M) [PATCH v4 2/2] tracing: Remove trace_printk.h from kernel.h
  2026-06-25 · Steven Rostedt <rostedt@kernel.org>
• STALE87d [PATCH v2] usbcore: Add quirk for 255-bytes initial config read
  2026-06-23 · Nikhil Solanke <hidden>
• STALE91d [PATCH 2/2] tracing: Add CONFIG_TRACE_PRINTK_DEBUGGING to clean up kernel.h
  2026-06-21 · Steven Rostedt <rostedt@kernel.org>
• DORMANTno replies [PATCH v2 4/4] usb: gadget: f_fs: Introduce rw_proxy file descriptors
  2026-06-19 · Neill Kapron <hidden>
• STALE104d [PATCH v2 3/4] usb: gadget: f_fs: Add zero-length packet ioctl
  2026-06-19 · Neill Kapron <hidden>
• STALE104d [PATCH v2 2/4] usb: gadget: f_fs: Tie read_buffer lifetime to ffs_epfile
  2026-06-19 · Neill Kapron <hidden>
• STALE104d [PATCH v2 1/4] usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks
  2026-06-19 · Neill Kapron <hidden>
• STALE107d [PATCH 3/3] usb: gadget: f_fs: Introduce rw_proxy file descriptors
  2026-06-14 · Neill Kapron <hidden>
• STALE107d [PATCH 2/3] usb: gadget: f_fs: Add zero-length packet ioctl
  2026-06-14 · Neill Kapron <hidden>
• STALE107d [PATCH 1/3] usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks
  2026-06-14 · Neill Kapron <hidden>
• STALE133d REVIEWED: 2 (1M) [PATCH v7 1/2] usb: xhci-pci: add AMD Promontory 21 PCI glue
  2026-05-19 · Jihong Min <hidden>
• STALE135d REVIEWED: 2 (1M) [PATCH v6 1/2] usb: xhci-pci: add AMD Promontory 21 PCI glue
  2026-05-17 · Jihong Min <hidden>
• STALE139d [PATCH v5 1/2] usb: xhci-pci: add AMD Promontory 21 PCI glue
  2026-05-12 · Jihong Min <hidden>

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.

• STALE198d [PATCH AUTOSEL 6.19-6.1] usb: core: new quirk to handle devices with zero configurations
  2026-03-17 · Sasha Levin <sashal@kernel.org>
• STALE107d [PATCH 2/3] usb: gadget: f_fs: Add zero-length packet ioctl
  2026-06-14 · Neill Kapron <hidden>
• STALE104d [PATCH v2 1/4] usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks
  2026-06-19 · Neill Kapron <hidden>
• STALE104d [PATCH v2 2/4] usb: gadget: f_fs: Tie read_buffer lifetime to ffs_epfile
  2026-06-19 · Neill Kapron <hidden>
• STALE104d [PATCH v2 3/4] usb: gadget: f_fs: Add zero-length packet ioctl
  2026-06-19 · Neill Kapron <hidden>
• DORMANTno replies [PATCH v2 4/4] usb: gadget: f_fs: Introduce rw_proxy file descriptors
  2026-06-19 · Neill Kapron <hidden>
• DORMANTno replies [PATCH] dt-bindings: fix typos and brackets
  2026-07-13 · Manuel Ebner <hidden>
• DORMANTno replies [PATCH 1/2] usb: gadget: u_audio: pass channel counts explicitly
  2026-07-29 · Kyle Farrell <hidden>
• DORMANTno replies [PATCH 2/2] usb: gadget: f_uac2: allow explicit channel counts
  2026-07-29 · Kyle Farrell <hidden>
• COLD33d [PATCH 1/2] usb: gadget: u_audio: pass channel counts explicitly
  2026-08-29 · Kyle Farrell <hidden>