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i3c: Fix IBI race, address handling, and reconcile DAA

From:  Adrian Hunter <adrian.hunter-AT-intel.com>
To:  alexandre.belloni-AT-bootlin.com
Subject:  [PATCH 0/7] i3c: Fix IBI race, address handling, and reconcile DAA
Date:  Wed, 27 May 2026 14:27:51 +0300
Message-ID:  <20260527112758.38530-1-adrian.hunter@intel.com>
Cc:  Frank.Li-AT-nxp.com, linux-i3c-AT-lists.infradead.org, linux-kernel-AT-vger.kernel.org
Archive-link:  Article

Hi

Patches 1-2 fix a use-after-free race in the MIPI I3C HCI driver's IBI
handling and make IBI teardown resilient to DISEC failures.

Patches 3-7 fix address management issues in the I3C core and HCI
driver that arise when Dynamic Address Assignment (DAA) does not complete
cleanly, culminating in a reconciliation step that detects and resolves
inconsistencies between assigned address slots and registered devices.

Patches are based on top of:

      [PATCH V2 0/8] i3c: Hot-Join improvements and MIPI HCI Hot-Join support
      https://lore.kernel.org/linux-i3c/20260518115520.98335-1-...

which, in turn, applies on top of:

      [PATCH V4 00/17] i3c: mipi-i3c-hci: DMA abort, recovery and related improvements
      https://lore.kernel.org/linux-i3c/20260515162621.57719-1-...


Adrian Hunter (7):
      i3c: mipi-i3c-hci: Fix race in i3c_hci_addr_to_dev()
      i3c: mipi-i3c-hci: Ignore DISEC failures when disabling IBIs
      i3c: master: Prevent reuse of dynamic address on device add failure
      i3c: mipi-i3c-hci: Tolerate i3c_master_add_i3c_dev_locked() failures in DAA
      i3c: master: Make i3c_master_add_i3c_dev_locked() return void
      i3c: master: Move DAA API functions after i3c_master_add_i3c_dev_locked()
      i3c: master: Reconcile dynamic addresses after DAA

 drivers/i3c/master.c                     | 268 +++++++++++++++++++++----------
 drivers/i3c/master/mipi-i3c-hci/cmd_v1.c |   4 +-
 drivers/i3c/master/mipi-i3c-hci/cmd_v2.c |   4 +-
 drivers/i3c/master/mipi-i3c-hci/core.c   |  33 +++-
 drivers/i3c/master/mipi-i3c-hci/hci.h    |   1 +
 drivers/i3c/master/mipi-i3c-hci/ibi.h    |  13 +-
 include/linux/i3c/master.h               |   3 +-
 7 files changed, 224 insertions(+), 102 deletions(-)


Regards
Adrian



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