Re: [RFC PATCH] mmc: dw_mmc: disable bh_work and stop timers on remove

[Shawn Lin <shawn.lin@rock-chips.com>]

在 2026/11/02 星期一 10:26, BeaCox 写道:
> Hi Shawn,
> 
> Thanks for the review and for checking the history.  You are right on
> both points.
> 
> dw_mci_remove() never called tasklet_kill(), so the race goes back to
> the original driver (f95f3850f7a9); 921c87ba3893 only replaced
> tasklet_schedule() with queue_work().  I have replaced the Fixes tag
> accordingly.
> 
> I have also split the fix in two, since the two parts have different
> lifetimes:
> 
>    1/2 drains bh_work.  This is the long-standing race and the patch
>        applies to 6.11 and later, where the bh_work form exists; it is
>        marked Cc: stable # 6.11+.
>    2/2 cancels the watchdog timer.  That code is new in 7.4
>        (ce0043b9a302), so there is nothing to backport it to.
> 
> The code is otherwise unchanged.  v2 follows shortly.
> 
> If you would rather keep it as a single patch without the stable tag,
> just let me know and I will squash them.
> 

I'm fine with split the fix in two patches.

> Thanks,
> BeaCox
>