netdev - Re: [PATCH net] net: wwan: iosm: Fix 7360 WWAN card control channel mapping

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Message-ID: <20220926131109.43d51e55@kernel.org>
Date:   Mon, 26 Sep 2022 13:11:09 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Shane Parslow <shaneparslow808@...il.com>
Cc:     M Chetan Kumar <m.chetan.kumar@...el.com>,
        Intel Corporation <linuxwwan@...el.com>,
        Loic Poulain <loic.poulain@...aro.org>,
        Sergey Ryazanov <ryazanov.s.a@...il.com>,
        Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: wwan: iosm: Fix 7360 WWAN card control channel
 mapping

On Sun, 25 Sep 2022 21:05:24 -0700 Shane Parslow wrote:
> This patch fixes the control channel mapping for the 7360, which was
> previously the same as the 7560.
> 
> As shown by the reverse engineering efforts of James Wah [1], the layout
> of channels on the 7360 is actually somewhat different from that of the
> 7560.
> 
> A new ipc_chnl_cfg is added specifically for the 7360. The new config
> updates channel 7 to be an AT port and removes the mbim interface, as
> it does not exist on the 7360. The config is otherwise left the same as
> the 7560. ipc_chnl_cfg_get is updated to switch between the two configs.
> In ipc_imem, a special case for the mbim port is removed as it no longer
> exists in the 7360 ipc_chnl_cfg.
> 
> As a result of this, the second userspace AT port now functions whereas
> previously it was routed to the trace channel. Modem crashes ("confused
> phase", "msg timeout", "PORT open refused") resulting from garbage being
> sent to the modem are also fixed.

What's the Fixes: tag for this one?