linux-kernel - Re: [PATCH] Bluetooth: hci_sync: Don't wait peer's reply when powering off

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Message-ID: <ZAXgIJcaUUqKwrO8@corigine.com>
Date:   Mon, 6 Mar 2023 13:44:16 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     Archie Pusaka <apusaka@...gle.com>
Cc:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        Abhishek Pandit-Subedi <abhishekpandit@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hci_sync: Don't wait peer's reply when
 powering off

On Mon, Mar 06, 2023 at 05:07:07PM +0800, Archie Pusaka wrote:
> From: Archie Pusaka <apusaka@...omium.org>
> 
> Currently, when we initiate disconnection, we will wait for the peer's
> reply unless when we are suspending, where we fire and forget the
> disconnect request.
> 
> A similar case is when adapter is powering off. However, we still wait
> for the peer's reply in this case. Therefore, if the peer is
> unresponsive, the command will time out and the power off sequence
> will fail, causing "bluetooth powered on by itself" to users.
> 
> This patch makes the host doesn't wait for the peer's reply when the
> disconnection reason is powering off.
> 
> Signed-off-by: Archie Pusaka <apusaka@...omium.org>
> Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@...gle.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>