From: Jakub Kicinski <kuba@kernel.org>
To: Shane Parslow <shaneparslow808@gmail.com>
Cc: M Chetan Kumar <m.chetan.kumar@intel.com>,
Intel Corporation <linuxwwan@intel.com>,
Loic Poulain <loic.poulain@linaro.org>,
Sergey Ryazanov <ryazanov.s.a@gmail.com>,
Johannes Berg <johannes@sipsolutions.net>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: wwan: iosm: Fix 7360 WWAN card control channel mapping
Date: Mon, 26 Sep 2022 13:11:09 -0700 [thread overview]
Message-ID: <20220926131109.43d51e55@kernel.org> (raw)
In-Reply-To: <20220926040524.4017-1-shaneparslow808@gmail.com>
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?
next prev parent reply other threads:[~2022-09-26 20:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-26 4:05 [PATCH net] net: wwan: iosm: Fix 7360 WWAN card control channel mapping Shane Parslow
2022-09-26 20:11 ` Jakub Kicinski [this message]
2022-09-26 20:51 ` Shane Parslow
2022-09-26 21:37 ` Jakub Kicinski
2022-09-26 22:21 ` Shane Parslow
2022-09-27 13:59 ` Jakub Kicinski
2022-09-27 13:43 ` Kumar, M Chetan
2022-09-28 6:06 ` Shane Parslow
2022-10-21 14:04 ` Kumar, M Chetan
2022-10-21 23:54 ` Shane Parslow
2022-10-20 19:13 ` Shane Parslow
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