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From: Johan Hovold <johan@kernel.org>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Andi Shyti <andi.shyti@kernel.org>,
	linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <johan@kernel.org>
Subject: [PATCH v2 0/9] i2c: core: adapter registration fixes
Date: Fri,  8 May 2026 11:03:02 +0200	[thread overview]
Message-ID: <20260508090311.379333-1-johan@kernel.org> (raw)

This series fixes a number of bugs related to adapter registration found
through inspection (when looking into addressing i2c lifetime issues).

Included are also two related cleanups.

Johan


Changes in v2
 - fix irq domain leak (new, flagged by Sashiko when reviewing v1)
 - add adapter to IDR before registration as needed by i2c-dev
 - honour devicetree alias also when using i2c_add_numbered_adapter()


Johan Hovold (9):
  i2c: core: fix irq domain leak on adapter registration failure
  i2c: core: fix hang on adapter registration failure
  i2c: core: fix adapter probe deferral loop
  i2c: core: fix adapter debugfs creation
  i2c: core: disable runtime PM on adapter registration failure
  i2c: core: fix adapter registration race
  i2c: core: fix adapter deregistration race
  i2c: core: clean up bus id allocation
  i2c: core: clean up adapter registration error label

 drivers/i2c/i2c-core-base.c | 165 ++++++++++++++++++++----------------
 1 file changed, 93 insertions(+), 72 deletions(-)

-- 
2.53.0


             reply	other threads:[~2026-05-08  9:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-08  9:03 Johan Hovold [this message]
2026-05-08  9:03 ` [PATCH v2 1/9] i2c: core: fix irq domain leak on adapter registration failure Johan Hovold
2026-05-08  9:03 ` [PATCH v2 2/9] i2c: core: fix hang " Johan Hovold
2026-05-08  9:03 ` [PATCH v2 3/9] i2c: core: fix adapter probe deferral loop Johan Hovold
2026-05-08  9:03 ` [PATCH v2 4/9] i2c: core: fix adapter debugfs creation Johan Hovold
2026-05-08  9:03 ` [PATCH v2 5/9] i2c: core: disable runtime PM on adapter registration failure Johan Hovold
2026-05-08  9:03 ` [PATCH v2 6/9] i2c: core: fix adapter registration race Johan Hovold
2026-05-08  9:03 ` [PATCH v2 7/9] i2c: core: fix adapter deregistration race Johan Hovold
2026-05-08  9:03 ` [PATCH v2 8/9] i2c: core: clean up bus id allocation Johan Hovold
2026-05-08  9:03 ` [PATCH v2 9/9] i2c: core: clean up adapter registration error label Johan Hovold

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