Re: [PATCH v4 5/5] i3c: master: svc: Fix npcm845 DAA process corruption

[Markus Elfring]

…
> +++ b/drivers/i3c/master/svc-i3c-master.c
> @@ -1162,7 +1162,16 @@ static int svc_i3c_master_do_daa(struct i3c_master_controller *m)
>  	}
>
>  	spin_lock_irqsave(&master->xferqueue.lock, flags);
…
>  	spin_unlock_irqrestore(&master->xferqueue.lock, flags);
>
>  	svc_i3c_master_clear_merrwarn(master);
…

Under which circumstances would you become interested to apply a statement
like “guard(spinlock_irqsave)(&master->xferqueue.lock);”?
https://elixir.bootlin.com/linux/v6.14-rc4/source/include/linux/spinlock.h#L572

Regards,
Markus