[PATCH] mailbox: add async request mechanism to empower controllers w/ hw queues

[Tudor Ambarus]

On 10/4/24 5:53 PM, Tudor Ambarus wrote:
>  void mbox_free_channel(struct mbox_chan *chan)
>  {
> +	struct mbox_controller *mbox = chan->mbox;

oops, I dereferenced before checking chan for null. I'll fix it after I
get some feedback on the overall idea.

>  	unsigned long flags;
>  
>  	if (!chan || !chan->cl)
>  		return;
	
Thanks,
ta