Re: [PATCH] Revert "driver core: Use mod_delayed_work to prevent lost deferred probe work"

[Danilo Krummrich]

On 5/26/26 2:03 PM, Biju wrote:
> From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> 
> Commit 1137838865bf ("driver core: Use mod_delayed_work to prevent lost
> deferred probe work") introduced below regression on Renesas SMARC RZ/G2L
> EVK:
>  class_for_each_device called for class 'devlink' before it was registered
>  WARNING: drivers/base/class.c:415 at class_for_each_device+0x12c/0x13c, CPU#1: kworker/1:1/26
>  class_for_each_device+0x12c/0x13c (P)
>  fw_devlink_probing_done+0x58/0xa0
>  deferred_probe_timeout_work_func+0x5c/0xb8
>  process_one_work+0x150/0x290
>  worker_thread+0x18c/0x300
>  kthread+0x114/0x120
> 
> Reverting the commit fixes the issue.
There's already [1], which should also fix the issue.

Thanks,
Danilo

[1]
https://lore.kernel.org/driver-core/20260525012340.3860581-1-dakr@xxxxxxxxxx/t/#u