APPLIED: [SRU][J:linux-bluefield][PATCH v1 0/1] platform/mellanox: mlxbf-pka: fix the PKA shim mutex initialization issue

[Alessio Faina]

On Thu, Oct 09, 2025 at 01:56:49PM -0400, Ron Li wrote:
> BugLink: https://bugs.launchpad.net/bugs/2127200
> 
> SRU Justification:
> 
> [Impact]
> 
> In the existing PKA driver implementation, in function pka_dev_init_shim, the shim->mutex is first used in the pka_dev_trng_read function. However, the mutex is initialized after the pka_dev_trng_read function. This causes runtime kernel lock warning.
> 
> [Fix]
> 
> * Move the mutex initialization before the TRNG related function calls.
> 
> [Test Case]
> 
> * Verify the PKA devices can be successfully probed during kernel boot.
> 
> [Other]
> * This code is likely to change depending on feedback we received from maintainers.
> 
> Ron Li (1):
>   UBUNTU: SAUCE: platform/mellanox: fix the PKA shim mutex
>     initialization issue
> 
>  drivers/platform/mellanox/mlxbf_pka/mlxbf_pka_dev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> -- 
> 2.43.2
> 
> 
> -- 
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Applied to jammy:linux-bluefield

Thanks!
- Alessio Faina