Re: [PATCH 1/2] wifi: cfg80211: Add beacon hint notifier support

From: Johannes Berg
Date: Wed Feb 22 2023 - 03:01:13 EST


On Wed, 2023-02-22 at 08:22 +0800, Wen Gong wrote:
> On 2/15/2023 11:10 PM, Johannes Berg wrote:
> > > > Why is this even needed? You should always get reg_notifier after this
> > > > anyway?
> > > Currently when channel flag changed through the beacon hints are not
> > > informed to driver.
> > >
> > > reg_notifier will be triggered for regdomain changes but not for channel flag changes due to beacon hints.
> > >
> > So maybe triggering reg notifier once would be sufficient, a la Wen's
> > patch that I recently merged?
>
> My patch only take effect for this flag, not for all wiphy.
>
> if (wiphy->flags & WIPHY_FLAG_NOTIFY_REGDOM_BY_DRIVER)
>
> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit?id=d99975c4953eb79e389d4630e848435c700e2dfc
>

Oh sure, I meant this patch could do something similar, instead of
introducing a new notifier callback.

johannes