char and misc drivers · Supported

Maintainers

• M Arnd Bergmann <arnd@arndb.de>
• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F drivers/char/
• F drivers/misc/
• F include/linux/miscdevice.h
• F rust/kernel/miscdevice.rs
• F samples/rust/rust_misc_device.rs
• X drivers/char/agp/
• X drivers/char/hw_random/
• X drivers/char/ipmi/
• X drivers/char/random.c
• X drivers/char/tpm/

Last 30 days

Active reviewers (last 30 days)

• Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  4 attestations (4 Acked-by) · last on 2026-07-21
• Andy Shevchenko <hidden>
  4 attestations (4 Reviewed-by) · last on 2026-07-21

Recent patches

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

• COOLING6d REVIEWED: 20 (19M) [PATCH v13 10/12] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-07-21 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• COOLING13d REVIEWED: 20 (19M) [PATCH v12 10/12] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-07-07 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• COLD26d REVIEWED: 20 (19M) [PATCH v11 10/12] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-07-07 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• COLD27d REVIEWED: 20 (19M) [PATCH v10 09/11] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-07-07 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• COLD15d [PATCH 31/32] treewide: convert rdmsrq() from a macro to an inline function
  2026-06-29 · Juergen Gross <jgross@suse.com>
• COLD55d REVIEWED: 20 (19M) [PATCH v9 08/10] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-06-08 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• COLD53d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD56d REVIEWED: 20 (19M) [PATCH RESEND v8 08/10] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-05-11 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
• DORMANTno replies [PATCH] treewide: fix occured typo in drivers
  2026-04-18 · wooridge <hidden>
• DORMANTno replies REVIEWED: 19 (19M) [char-misc v4] mei: me: reduce the scope on unexpected reset
  2026-03-30 · Alexander Usyskin <alexander.usyskin@intel.com>
• STALE126d REVIEWED: 1 (1M) [char-misc v3] mei: me: reduce the scope on unexpected reset
  2026-03-26 · Alexander Usyskin <alexander.usyskin@intel.com>
• STALE88d [PATCH v6 27/27] misc: lan966x_pci: Add drivers needed to support SFPs in Kconfig help
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 26/27] misc: lan966x_pci: Sort the drivers list in Kconfig help
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 25/27] misc: lan966x_pci: Add dtsi/dtso nodes in order to support SFPs
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d REVIEWED: 8 (8M) [PATCH v6 24/27] misc: lan966x_pci: Introduce board specific data
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d REVIEWED: 3 (3M) [PATCH v6 23/27] PCI: Add Microchip LAN9662 PCI Device ID
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d REVIEWED: 8 (8M) [PATCH v6 22/27] misc: lan966x_pci: Rename lan966x_pci.dtso to lan966x_evb_lan9662_nic.dtso
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d REVIEWED: 8 (8M) [PATCH v6 21/27] misc: lan966x_pci: Split dtso in dtsi/dtso
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 20/27] misc: lan966x_pci: Fix dtso nodes ordering
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 28/28] misc: lan966x_pci: Add drivers needed to support SFPs in Kconfig help
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 27/28] misc: lan966x_pci: Sort the drivers list in Kconfig help
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 26/28] misc: lan966x_pci: Add dtsi/dtso nodes in order to support SFPs
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d REVIEWED: 8 (8M) [PATCH v5 25/28] misc: lan966x_pci: Introduce board specific data
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d REVIEWED: 3 (3M) [PATCH v5 24/28] PCI: Add Microchip LAN9662 PCI Device ID
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d REVIEWED: 8 (8M) [PATCH v5 23/28] misc: lan966x_pci: Rename lan966x_pci.dtso to lan966x_evb_lan9662_nic.dtso
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d REVIEWED: 8 (8M) [PATCH v5 22/28] misc: lan966x_pci: Split dtso in dtsi/dtso
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 21/28] misc: lan966x_pci: Fix dtso nodes ordering
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE146d [PATCH v2 2/9] misc: Support Asus Transformer's EC access device
  2026-02-09 · Svyatoslav Ryhel <hidden>
• STALE179d [PATCH v1 2/9] misc: Support Asus Transformer's EC access device
  2026-02-01 · Svyatoslav Ryhel <hidden>
• STALE145d REVIEWED: 19 (19M) [PATCH v8 08/10] misc: qcom-coincell: Migrate to devm_spmi_subdevice_alloc_and_add()
  2026-01-14 · AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.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.

• STALE126d REVIEWED: 1 (1M) [char-misc v3] mei: me: reduce the scope on unexpected reset
  2026-03-26 · Alexander Usyskin <alexander.usyskin@intel.com> · 1 Tested-by
• DORMANTno replies REVIEWED: 19 (19M) [char-misc v4] mei: me: reduce the scope on unexpected reset
  2026-03-30 · Alexander Usyskin <alexander.usyskin@intel.com> · 1 Reviewed-by, 1 Tested-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.

• STALE142d [PATCH v5 21/28] misc: lan966x_pci: Fix dtso nodes ordering
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 26/28] misc: lan966x_pci: Add dtsi/dtso nodes in order to support SFPs
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 27/28] misc: lan966x_pci: Sort the drivers list in Kconfig help
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE142d [PATCH v5 28/28] misc: lan966x_pci: Add drivers needed to support SFPs in Kconfig help
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 25/27] misc: lan966x_pci: Add dtsi/dtso nodes in order to support SFPs
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 26/27] misc: lan966x_pci: Sort the drivers list in Kconfig help
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE88d [PATCH v6 27/27] misc: lan966x_pci: Add drivers needed to support SFPs in Kconfig help
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• DORMANTno replies [PATCH] treewide: fix occured typo in drivers
  2026-04-18 · wooridge <hidden>