Re: [PATCH v10 00/10] lan966x pci device: Add support for SFPs, PCI part

[Richard Cheng <icheng@nvidia.com>]

On Fri, Jul 17, 2026 at 04:51:35PM +0800, Herve Codina wrote:
> Hi,
> 
> Previously, I sent a big picture series adding support for SFP ports
> available on the LAN966x PCI device [0].
> 
> In this series patches touch several parts and sub-system in the kernel.
> Reviews have be done and it makes sense to split the series and send
> parts separately.
> 
> This current series is the extraction of patches related to issues in
> the PCI subsystem. It has to be seen as a continuation of the big
> picture series but related to this specific core part.
> 
> Patches 1 to 6 introduce and use fw_devlink_set_device() in already
> existing code. No functional change but the introduction of the
> fw_devlink_set_device() wrapper.
> 
> Patch 7 avoid a dangling pointer.
> 
> Patches 8 and 9 fix fw_devlink issues specific to PCI and the
> device-tree nodes created during enumeration.
> 
> Patch 10 adds a guards to prevent incorrect node removal.
> 
> [0] https://lore.kernel.org/all/20260325143555.451852-1-herve.codina@bootlin.com/
> 
> Best regards,
> Hervé
>

Hello Herve,

Just a small question in patch 10.

Otherwise, LGTM.

Reviewed-by: Richard Cheng <icheng@nvidia.com>

Best regards,
Richard Cheng.
 
> Changes:
> 
> v9 -> v10
>   v9: https://lore.kernel.org/all/20260708100302.517792-1-herve.codina@bootlin.com/
> 
>   - Patches 1 to 6
>     No changes
> 
>   - Patch 7
>     Clear fwnode->dev also on error path.
> 
>   - Patch 8
>     Clear fwnode->dev also on error path.
> 
>   - Patch 9
>     No changes
> 
>   - Patch 10 (New patch in v10)
>     Guard against node removal with incorrect np->data.
> 
> v8 -> v9
>   v8: https://lore.kernel.org/all/20260630102804.413563-1-herve.codina@bootlin.com/
> 
>   - Patch 7 (new patch in v9)
>     Clear fwnode->dev during root bridge node removal (avoid a dangling
>     pointer).
> 
>   - Patch 8 (patch 7 in v8)
>     Clear fwnode->dev during PCI device node removal.
> 
> v7 -> v8
>   v7: https://lore.kernel.org/all/20260511155930.34604-1-herve.codina@bootlin.com/
> 
>   Rebase on top of v7.2-rc1
> 
>   - patches 4 and 5
>     Add 'Reviewed-by: Andy Shevchenko'
> 
>   - Other Patches
>     No other changes
> 
> v6 -> v7
> 
>   Rebase on top of v7.1-rc1
> 
>   - Patch 1
>      Add Cc stable. Needed for patches 11 and 12
> 
>   - Patches 2 to 5
>     No changes
> 
>   - Patch 6
>      Add Cc stable. Needed for patch 13
>      Add 'Acked-by: Bjorn Helgaas'
> 
>   - Patch 7
>      Fix a typo in commit log
>      Add Fixes tag + Cc stable
>      Add 'Acked-by: Bjorn Helgaas'
> 
>   - Patch 8
>      Add Fixes tag + Cc stable
>      Add 'Acked-by: Bjorn Helgaas'
> Older iterations:
>   Patches 6 to 13 in the big picture series
>   https://lore.kernel.org/all/20260325143555.451852-1-herve.codina@bootlin.com/
> 
> Herve Codina (10):
>   driver core: fw_devlink: Introduce fw_devlink_set_device()
>   drivers: core: Use fw_devlink_set_device()
>   pinctrl: cs42l43: Use fw_devlink_set_device()
>   cxl/test: Use device_set_node()
>   cxl/test: Use fw_devlink_set_device()
>   PCI: of: Use fw_devlink_set_device()
>   PCI: of: Clear fwnode->dev during root bridge node removal and error
>     path
>   PCI: of: Set fwnode device of newly created PCI device nodes
>   PCI: of: Remove fwnode_dev_initialized() call for a PCI root bridge
>     node
>   PCI: of: Guard against node removal with incorrect np->data
> 
>  drivers/base/core.c                      |  4 ++--
>  drivers/pci/of.c                         | 24 ++++++++++++++++++------
>  drivers/pinctrl/cirrus/pinctrl-cs42l43.c |  2 +-
>  include/linux/fwnode.h                   |  6 ++++++
>  tools/testing/cxl/test/cxl.c             |  4 ++--
>  5 files changed, 29 insertions(+), 11 deletions(-)
> 
> -- 
> 2.55.0
>