universal flash storage host controller driver · Supported

Maintainers

• R Alim Akhtar <alim.akhtar@samsung.com>
• R Avri Altman <avri.altman@wdc.com>
• R Bart Van Assche <bvanassche@acm.org>

Paths

• F Documentation/devicetree/bindings/ufs/
• F Documentation/scsi/ufs.rst
• F drivers/ufs/core/
• F include/ufs/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v3] scsi: core: pair EH runtime PM get and put
  2026-07-29 11:16 · 0 replies in 7d · Hongjie Fang <hidden>
• HOTtoday [PATCH v4 0/2] scsi: ufs: Add support for the aggregated read query opcode
  2026-07-28 09:27 · 2 replies in 7d · Hyeoncheol Jeong <hidden>
• WARM1d [PATCH v2 0/3] Add UFS Host driver support for SpacemiT K3 SoC
  2026-07-25 10:38 · 1 reply in 7d · Yixun Lan <dlan@kernel.org>
• COOLING4d [PATCH v3 0/2] scsi: ufs: Add support for the aggregated read query opcode
  2026-07-24 03:12 · 2 replies in 7d · Hyeoncheol Jeong <hidden>
• WARM2d [PATCH] Revert "scsi: ufs: core: Remove unnecessary block I/O quiesce for clock scaling"
  2026-07-23 12:47 · 0 replies in 7d · Manivannan Sadhasivam <hidden>
• HOTtoday [PATCH] scsi: ufs: core: Initialize hba->rpmbs list in ufshcd
  2026-07-23 03:45 · 0 replies in 7d · Ao Sun <hidden>

Active reviewers (last 30 days)

• <sashiko-bot@kernel.org>
  2 attestations (2 Reported-by) · last on 2026-07-21
• Shawn Guo <hidden>
  1 attestation (1 Reported-by) · last on 2026-07-23

Recent patches

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

• HOTtoday [PATCH v3] scsi: core: pair EH runtime PM get and put
  2026-07-29 · Hongjie Fang <hidden>
• HOTtoday [PATCH v4 2/2] scsi: ufs: Add support for the aggregated read query opcode
  2026-07-28 · Hyeoncheol Jeong <hidden>
• HOTtoday [PATCH v4 1/2] scsi: ufs: Use unsigned types for the BSG query
  2026-07-28 · Hyeoncheol Jeong <hidden>
• WARM1d [PATCH v2 1/3] scsi: ufs: spacemit: dt-bindings: Add UFS controller for K3 SoC
  2026-07-25 · Yixun Lan <dlan@kernel.org>
• COOLING4d [PATCH v3 2/2] scsi: ufs: Add support for the aggregated read query opcode
  2026-07-24 · Hyeoncheol Jeong <hidden>
• COOLING4d [PATCH v3 1/2] scsi: ufs: Use unsigned types for the BSG query
  2026-07-24 · Hyeoncheol Jeong <hidden>
• WARM2d [PATCH] Revert "scsi: ufs: core: Remove unnecessary block I/O quiesce for clock scaling"
  2026-07-23 · Manivannan Sadhasivam <hidden>
• HOTtoday [PATCH] scsi: ufs: core: Initialize hba->rpmbs list in ufshcd
  2026-07-23 · Ao Sun <hidden>
• COOLING5d [PATCH v2] scsi: ufs: Add support for the aggregated read query opcode
  2026-07-22 · Hyeoncheol Jeong <hidden>
• WARM1d [PATCH v3] scsi: ufs: core: Fix UFS RPMB device teardown order
  2026-07-21 · Ao Sun <hidden>
• COOLING9d [PATCH v2 2/2] ufs: rpmb: use a fixed-length RPMB dev_id
  2026-07-20 · Jorge Ramirez-Ortiz <hidden>
• COOLING9d [PATCH v2 1/2] ufs: rpmb: retry power-on UNIT ATTENTION on the RPMB WLUN
  2026-07-20 · Jorge Ramirez-Ortiz <hidden>
• HOTtoday [PATCH v2] scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc
  2026-07-20 · Shawn Guo <hidden>
• WARM2d [PATCH V2] scsi: ufs: dt-bindings: Document the Maili UFS Controller
  2026-07-19 · Nitin Rawat <hidden>
• COOLING6d [PATCH v2 6/6] scsi: ufs: debugfs: Reserve space for a string terminator
  2026-07-17 · Li Qiang <hidden>
• COOLING6d [PATCH v2 5/6] scsi: ufs: rpmb: Use unaligned accessors for RPMB frames
  2026-07-17 · Li Qiang <hidden>
• COOLING6d [PATCH v2 4/6] scsi: ufs: rpmb: Validate request frame length before parsing
  2026-07-17 · Li Qiang <hidden>
• COOLING6d [PATCH v2 3/6] scsi: ufs: core: Validate connected lane counts
  2026-07-17 · Li Qiang <hidden>
• COOLING6d [PATCH v2 2/6] scsi: ufs: Avoid NULL CQE dereference when reporting invalid tags
  2026-07-17 · Li Qiang <hidden>
• COOLING6d [PATCH v2 1/6] scsi: ufs: core: Validate string descriptors
  2026-07-17 · Li Qiang <hidden>
• COOLING12d [PATCH v1 2/2] ufs: rpmb: use a fixed-length RPMB dev_id
  2026-07-16 · Jorge Ramirez-Ortiz <hidden>
• COOLING12d [PATCH v1 1/2] ufs: rpmb: retry power-on UNIT ATTENTION on the RPMB WLUN
  2026-07-16 · Jorge Ramirez-Ortiz <hidden>
• COOLING13d [PATCH] scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc
  2026-07-16 · Shawn Guo <hidden>
• COOLING6d [PATCH 4/5] scsi: ufs: rpmb: Validate frame before parsing
  2026-07-16 · liqiang <hidden>
• COOLING6d [PATCH 3/5] scsi: ufs: core: Validate connected lane counts
  2026-07-16 · liqiang <hidden>
• COOLING6d [PATCH 5/5] scsi: ufs: debugfs: Reserve space for a string terminator
  2026-07-16 · liqiang <hidden>
• COOLING6d [PATCH 1/5] scsi: ufs: core: Validate string descriptors
  2026-07-16 · liqiang <hidden>
• COOLING6d [PATCH 2/5] scsi: ufs: Fix NULL dereferences after tag lookup
  2026-07-16 · liqiang <hidden>
• COOLING11d [PATCH 2/2] ufs: rpmb: use a fixed-length RPMB dev_id
  2026-07-15 · Jorge Ramirez-Ortiz <hidden>
• COOLING11d [PATCH 1/2] ufs: rpmb: retry power-on UNIT ATTENTION on the RPMB WLUN
  2026-07-15 · Jorge Ramirez-Ortiz <hidden>

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.

• STALE154d REVIEWED: 1 (0M) [PATCH v3] scsi: ufs: core: Fix RPMB region size detection for UFS 2.2
  2026-02-09 · Alexey Charkov <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "scsi: ufs: core: Flush exception handling work when RPM level is zero" failed to apply to 6.12-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "scsi: ufs: core: Flush exception handling work when RPM level is zero" failed to apply to 6.6-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "scsi: ufs: core: Flush exception handling work when RPM level is zero" failed to apply to 6.1-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "scsi: ufs: core: Flush exception handling work when RPM level is zero" failed to apply to 5.15-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: Patch "scsi: ufs: core: Flush exception handling work when RPM level is zero" failed to apply to 5.10-stable tree
  2026-03-01 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• STALE145d REVIEWED: 1 (1M) [PATCH AUTOSEL 6.19-6.18] scsi: ufs: core: Reset urgent_bkops_lvl to allow runtime PM power mode
  2026-03-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE145d REVIEWED: 4 (4M) [PATCH AUTOSEL 6.19-6.6] scsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()
  2026-03-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE145d REVIEWED: 4 (4M) [PATCH AUTOSEL 6.19-6.6] scsi: ufs: core: Fix shift out of bounds when MAXQ=32
  2026-03-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE140d REVIEWED: 4 (4M) [PATCH v3] scsi: ufs: core: Fix SError in ufshcd_rtc_work() during UFS suspend
  2026-03-07 · Wang Shuaiwei <hidden> · 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.

• STALE175d [PATCH v2 5/5] scsi: Change the return type of the .queuecommand() callback
  2026-01-15 · Bart Van Assche <bvanassche@acm.org>
• STALE183d [PATCH 1/7] ufs: core: Change the type of an ufshcd_clkgate_delay_set() argument
  2026-01-16 · Bart Van Assche <bvanassche@acm.org>
• STALE183d [PATCH 4/7] ufs: core: Switch from clock gating to RPM
  2026-01-16 · Bart Van Assche <bvanassche@acm.org>
• STALE183d [PATCH 6/7] ufs: core: Remove superfluous ufshcd_{hold,release}() calls
  2026-01-16 · Bart Van Assche <bvanassche@acm.org>
• STALE183d [PATCH 7/7] ufs: core: Remove ufshcd_{hold,release}() calls from the I/O path
  2026-01-16 · Bart Van Assche <bvanassche@acm.org>
• STALE180d [PATCH v4 3/3] dt-bindings: ufs: Add binding for ufs-keyslot-offset
  2026-01-29 · zheng.gong <hidden>
• STALE169d [PATCH v1 2/2] ufs: core: add debug log for mcq commnad timoeut
  2026-02-09 · <peter.wang@mediatek.com>
• STALE150d [PATCH v2 2/2] ufs: core: add debug log for mcq command timeout
  2026-02-10 · <peter.wang@mediatek.com>
• STALE150d [PATCH v2 1/2] ufs: core: add debug log for uic command timeout
  2026-02-10 · <peter.wang@mediatek.com>
• STALE163d [PATCH 1/2] scsi: ufs: core: Add support to notify userspace of UniPro QoS events
  2026-02-16 · Can Guo <hidden>