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

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Message-ID: <9ae693f2-b19e-ff1f-851c-c3d09db4d9d1@quicinc.com>
Date:   Wed, 22 Feb 2023 08:22:43 +0800
From:   Wen Gong <quic_wgong@...cinc.com>
To:     Johannes Berg <johannes@...solutions.net>,
        "Youghandhar Chintala (Temp)" <quic_youghand@...cinc.com>,
        <ath10k@...ts.infradead.org>
CC:     <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_mpubbise@...cinc.com>, Wen Gong <quic_wgong@...cinc.com>
Subject: Re: [PATCH 1/2] wifi: cfg80211: Add beacon hint notifier support


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

>
> johannes
>