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From: Florian Klink <>
To: Jan Kiszka <>
Cc: "Kumar, M Chetan" <>,
	Linux Kernel Mailing List <>,
	Linux Netdev List <>,
Subject: Re: wwan/iosm vs. xmm7360
Date: Tue, 7 Sep 2021 20:01:44 +0200	[thread overview]
Message-ID: <20210907180144.c2jakttbigc5x7dm@tp> (raw)
In-Reply-To: <>

On 21-08-06 11:41:27, Jan Kiszka wrote:
>On 06.08.21 11:29, Kumar, M Chetan wrote:
>> Hi Jan,
>> What is the context of this request ?
>The context is that there are many folks out there (me included - Lenovo
>P52) with devices that have the xmm-7360 built-in, can't switch it to
>USB mode (prevented by OEM), and currently require [1]. That kind of
>works but is not really the final solution. So I also kicked off [2] there.

It also seems the 7560 card doesn't show up in my X13 AMD (Gen 1) at all
- so even if I'd "upgrade" that card, I couldn't use it.

>I know. I'm not an expert on the details, but reading the overall
>architectures of the IOSM and what has been reverse-engineered for the
>7360, there seem to be some similarities. So, maybe you can explain to
>the community if that is a reasonable path to upstream 7360 support, or
>if at least the pattern of the 7560 could/should be transferred to the
>7360 driver.

Very curious about this as well - they might share some code at lest, if
not even the driver?


>> Regards,
>> Chetan
>> On 8/6/2021 2:09 AM, Jan Kiszka wrote:
>>> Hi Chetan,
>>> at the risk of having missed this being answered already:
>>> How close is the older xmm7360 to the now supported xmm7560 in mainline?
>>> There is that reverse engineered PCI driver [1] with non-standard
>>> userland interface, and it would obviously be great to benefit from
>>> common infrastructure and specifically the modem-manager compatible
>>> interface. Is this realistic to achieve for the 7360, or is that
>>> hardware or its firmware too different?
>>> Thanks,
>>> Jan
>>> [1]
>Siemens AG, T RDA IOT
>Corporate Competence Center Embedded Linux

Florian Klink

      reply	other threads:[~2021-09-07 18:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 20:39 Jan Kiszka
2021-08-06  9:29 ` Kumar, M Chetan
2021-08-06  9:41   ` Jan Kiszka
2021-09-07 18:01     ` Florian Klink [this message]

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