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From:   Douglas Anderson <dianders@chromium.org>
To:     linux-usb@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "David S . Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
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Cc:     Grant Grundler <grundler@chromium.org>,
        Hayes Wang <hayeswang@realtek.com>,
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        netdev@vger.kernel.org, Brian Geffon <bgeffon@google.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        Douglas Anderson <dianders@chromium.org>,
        Hans de Goede <hdegoede@redhat.com>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/3] net: usb: r8152: Fix lost config across deauthorize+authorize
Date:   Fri,  1 Dec 2023 10:29:49 -0800
Message-ID: <20231201183113.343256-1-dianders@chromium.org>
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This series fixes problems introduced by commit ec51fbd1b8a2 ("r8152:
add USB device driver for config selection") where the r8152 device
would stop functioning if you deauthorized it (by writing 0 to the
"authorized" field in sysfs) and then reauthorized it (by writing a
1).

In v1 this was just a single patch [1], but it's now a 3-patch series
and solves the problem in a much cleaner way, as suggested by Alan
Stern.

Since these three patches straddle the USB subsystem and the
networking subsystem then maintainers will (obviously) need to work
out a way for them to land. I don't have any strong suggestions here
so I'm happy to let the maintainers propose what they think will work
best.

[1] https://lore.kernel.org/r/20231130154337.1.Ie00e07f07f87149c9ce0b27ae4e26991d307e14b@changeid

Changes in v2:
- ("Don't force USB generic_subclass drivers to define ...") new for v2.
- ("Allow subclassed USB drivers to override ...") new for v2.
- ("Choose our USB config with choose_configuration()...) new for v2.

Douglas Anderson (3):
  usb: core: Don't force USB generic_subclass drivers to define probe()
  usb: core: Allow subclassed USB drivers to override
    usb_choose_configuration()
  r8152: Choose our USB config with choose_configuration() rather than
    probe()

 drivers/net/usb/r8152.c    | 16 +++++-----------
 drivers/usb/core/driver.c  |  5 ++++-
 drivers/usb/core/generic.c |  7 +++++++
 include/linux/usb.h        |  6 ++++++
 4 files changed, 22 insertions(+), 12 deletions(-)

-- 
2.43.0.rc2.451.g8631bc7472-goog