[PULL REQUEST] i2c-for-6.17-rc1

[Wolfram Sang <wsa@kernel.org>]

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The following changes since commit 89be9a83ccf1f88522317ce02f854f30d6115c41:

  Linux 6.16-rc7 (2025-07-20 15:18:33 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git tags/i2c-for-6.17-rc1

for you to fetch changes up to 1c24e5fc0c7096e00c202a6a3e0c342c1afb47c2:

  i2c: core: Fix double-free of fwnode in i2c_unregister_device() (2025-07-28 10:41:36 +0200)

----------------------------------------------------------------
i2c-for-6.17-rc1

I2C Core:

- prevent double-free of an fwnode if it is a software node
- use recent helpers instead of custom ACPI or outdated OF ones
- add a more elaborate description of a message flag

I2C Host drivers, part 1:

Cleanups and refactorings:
- lpi2c, riic, st, stm32f7: general improvements
- riic: support more flexible IRQ configurations
- tegra: fix documentation

Improvements:
- lpi2c: improve register polling and add atomic transfer
- imx: use guarded spinlocks

New hardware support:
- Samsung Exynos 2200
- Renesas RZ/T2H (R9A09G077), RZ/N2H (R9A09G087)

DT binding:
- rk3x: enable power domains
- nxp: support clock property

----------------------------------------------------------------
Andy Shevchenko (1):
      i2c: acpi: Replace custom code with device_match_acpi_handle()

Emanuele Ghidoli (2):
      i2c: lpi2c: use readl_poll_timeout() for register polling
      i2c: lpi2c: implement xfer_atomic callback

Frank Li (1):
      dt-bindings: i2c: nxp,pnx-i2c: allow clocks property

Hans Zhang (1):
      i2c: tegra: Add missing kernel-doc for dma_dev member

Hans de Goede (1):
      i2c: core: Fix double-free of fwnode in i2c_unregister_device()

I Viswanath (1):
      i2c: Clarify behavior of I2C_M_RD flag

Ivaylo Ivanov (1):
      dt-bindings: i2c: exynos5: add samsung,exynos2200-hsi2c compatible

Jiri Slaby (SUSE) (1):
      i2c: mux: pca954x: Use dev_fwnode()

Jonas Karlman (1):
      dt-bindings: i2c: i2c-rk3x: Allow use of a power-domain

Lad Prabhakar (5):
      dt-bindings: i2c: renesas,riic: Move ref for i2c-controller.yaml to the end
      dt-bindings: i2c: renesas,riic: Document RZ/T2H and RZ/N2H support
      i2c: riic: Pass IRQ desc array as part of OF data
      i2c: riic: Move generic compatible string to end of array
      i2c: riic: Add support for RZ/T2H SoC

Qianfeng Rong (1):
      i2c: st: Use min() to improve code

Troy Mitchell (1):
      i2c: imx: use guard to take spinlock

Wolfram Sang (1):
      Merge tag 'i2c-host-6.17-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow

Yuesong Li (1):
      i2c: lpi2c: convert to use secs_to_jiffies()

Yumeng Fang (1):
      i2c: stm32f7: Use str_on_off() helper


with much appreciated quality assurance from
----------------------------------------------------------------
Andy Shevchenko (4):
      (Rev.) i2c: core: Fix double-free of fwnode in i2c_unregister_device()
      (Rev.) i2c: riic: Add support for RZ/T2H SoC
      (Rev.) i2c: riic: Move generic compatible string to end of array
      (Rev.) i2c: riic: Pass IRQ desc array as part of OF data

Carlos Song (2):
      (Rev.) i2c: lpi2c: implement xfer_atomic callback
      (Rev.) i2c: lpi2c: use readl_poll_timeout() for register polling

Frank Li (1):
      (Rev.) i2c: imx: use guard to take spinlock

Geert Uytterhoeven (6):
      (Rev.) i2c: riic: Add support for RZ/T2H SoC
      (Rev.) i2c: riic: Move generic compatible string to end of array
      (Rev.) i2c: riic: Pass IRQ desc array as part of OF data
      (Test) i2c: riic: Pass IRQ desc array as part of OF data
      (Rev.) dt-bindings: i2c: renesas,riic: Document RZ/T2H and RZ/N2H support
      (Rev.) dt-bindings: i2c: renesas,riic: Move ref for i2c-controller.yaml to the end

Krzysztof Kozlowski (1):
      (Rev.) dt-bindings: i2c: exynos5: add samsung,exynos2200-hsi2c compatible

Patrice Chotard (1):
      (Rev.) i2c: st: Use min() to improve code

Primoz Fiser (2):
      (Test) i2c: lpi2c: implement xfer_atomic callback
      (Test) i2c: lpi2c: use readl_poll_timeout() for register polling

Rob Herring (Arm) (1):
      (Rev.) dt-bindings: i2c: i2c-rk3x: Allow use of a power-domain

Vladimir Zapolskiy (1):
      (Rev.) dt-bindings: i2c: nxp,pnx-i2c: allow clocks property

Wolfram Sang (7):
      (Rev.) i2c: riic: Add support for RZ/T2H SoC
      (Test) i2c: riic: Add support for RZ/T2H SoC
      (Rev.) i2c: riic: Move generic compatible string to end of array
      (Test) i2c: riic: Move generic compatible string to end of array
      (Rev.) i2c: riic: Pass IRQ desc array as part of OF data
      (Test) i2c: riic: Pass IRQ desc array as part of OF data
      (Rev.) dt-bindings: i2c: renesas,riic: Document RZ/T2H and RZ/N2H support

 .../devicetree/bindings/i2c/i2c-exynos5.yaml       |   1 +
 .../devicetree/bindings/i2c/i2c-rk3x.yaml          |   3 +
 .../devicetree/bindings/i2c/nxp,pnx-i2c.yaml       |   3 +
 .../devicetree/bindings/i2c/renesas,riic.yaml      | 105 ++++++---
 drivers/i2c/busses/i2c-imx-lpi2c.c                 | 256 ++++++++++++++-------
 drivers/i2c/busses/i2c-imx.c                       |  37 ++-
 drivers/i2c/busses/i2c-riic.c                      |  54 ++++-
 drivers/i2c/busses/i2c-st.c                        |  19 +-
 drivers/i2c/busses/i2c-stm32f7.c                   |   3 +-
 drivers/i2c/busses/i2c-tegra.c                     |   1 +
 drivers/i2c/i2c-core-acpi.c                        |   2 +-
 drivers/i2c/i2c-core-base.c                        |   8 +-
 drivers/i2c/muxes/i2c-mux-pca954x.c                |   3 +-
 include/uapi/linux/i2c.h                           |   3 +-
 14 files changed, 333 insertions(+), 165 deletions(-)

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