Re: [PATCH] device property: Make modifications of fwnode "flags" thread safe

From: Rafael J. Wysocki

Date: Tue Mar 17 2026 - 06:49:43 EST


On Tue, Mar 17, 2026 at 11:34 AM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>
> > Like Danilo I am also not sure what lock protects fwnode accesses.
>
> This is basically the question I asked to Doug. If he also don't see
> one, let's take this patch as is.

I don't recall using any lock for this purpose.

IIRC, the original assumption was that device fwnodes wouldn't be
updated once set.