linux-kernel - Re: [PATCH] wifi: ath9k: return by of_get_mac

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Message-ID: <CAKxU2N9XFJZaVJgQDVNWmsUoJ_WTHdv7ViTs9xFpFWKeY5Woaw@mail.gmail.com>
Date: Tue, 1 Oct 2024 11:49:51 -0700
From: Rosen Penev <rosenp@...il.com>
To: Toke Høiland-Jørgensen <toke@...e.dk>
Cc: linux-wireless@...r.kernel.org, kvalo@...nel.org, nbd@....name, 
	yangshiji66@...look.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wifi: ath9k: return by of_get_mac_address

On Tue, Oct 1, 2024 at 1:27 AM Toke Høiland-Jørgensen <toke@...e.dk> wrote:
>
> Rosen Penev <rosenp@...il.com> writes:
>
> > It can return -EPROBE_DEFER when using NVMEM. return it so that it gets
> > forwarded to _init.
>
> What bug, if any, does this fix?
None that I've seen. But the goal is: if ath9k probes before NVMEM,
defer so that it can get an NVMEM mac address properly.

I think in OpenWrt there are hacks that force ath9k to probe later, I
think because of the GPIO driver situation there.
>
> -Toke