linux-kernel - Re: [PATCH v3] usb: common: usb-conn-gpio: Prevent bailing out if initial role is none

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Message-ID: <0c6e3bc3-f71a-08f0-6f04-2580ca776466@collabora.com>
Date:   Tue, 1 Aug 2023 13:01:19 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Prashanth K <quic_prashk@...cinc.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        "# 5 . 4" <stable@...r.kernel.org>
Subject: Re: [PATCH v3] usb: common: usb-conn-gpio: Prevent bailing out if
 initial role is none

Il 01/08/23 11:03, Prashanth K ha scritto:
> Currently if we bootup a device without cable connected, then
> usb-conn-gpio won't call set_role() because last_role is same
> as current role. This happens since last_role gets initialised
> to zero during the probe.
> 
> To avoid this, add a new flag initial_detection into struct
> usb_conn_info, which prevents bailing out during initial
> detection.
> 
> Cc: <stable@...r.kernel.org> # 5.4
> Fixes: 4602f3bff266 ("usb: common: add USB GPIO based connection detection driver")
> Signed-off-by: Prashanth K <quic_prashk@...cinc.com>

Just noticed that there was a v3, sent the T-b to the v2 erroneously, so:

MediaTek platforms

Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>