linux-kernel - Re: [PATCH v2] Bluetooth: btusb: Reset port on cmd timeout

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Message-ID: <CANFp7mUmk=HqPyJ5TS5uQPyaEtOWdz=D+7XBS8MyikuF9y9EJQ@mail.gmail.com>
Date:   Thu, 25 Jun 2020 16:18:42 -0700
From:   Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
To:     Oliver Neukum <oneukum@...e.com>
Cc:     Rocky Liao <rjliao@...eaurora.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Bluez mailing list <linux-bluetooth@...r.kernel.org>,
        ChromeOS Bluetooth Upstreaming 
        <chromeos-bluetooth-upstreaming@...omium.org>,
        linux-usb@...r.kernel.org, Linux PM <linux-pm@...r.kernel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] Bluetooth: btusb: Reset port on cmd timeout

Thanks for the heads up Oliver -- I will send a patch with a comment on this.

On Thu, Jun 25, 2020 at 3:22 AM Oliver Neukum <oneukum@...e.com> wrote:
>
> Am Mittwoch, den 24.06.2020, 11:11 -0700 schrieb Abhishek Pandit-
> Subedi:
> > QCA_ROME sometimes gets into a state where it is unresponsive to
> > commands. Since it doesn't have support for a reset gpio, reset the usb
> > port when this occurs instead.
>
> Hi,
>
> on first glance this looks like an unbalanced PM reference. It is not
> because the operation is suicidal, but this deserves a comment, unless
> you want to get a note telling you that you caused an imbalance every
> few weeks.
>
>         Regards
>                 Oliver
>