On Thu, Jun 27, 2024 at 10:09:31AM +0200, Bjørn Mork wrote:
Johan Hovold johan@kernel.org writes:
On Wed, Jun 26, 2024 at 03:32:23PM +0200, Bjørn Mork wrote:
FM350-GL is 5G Sub-6 WWAN module which uses M.2 form factor interface. It is based on Mediatek's MTK T700 CPU. The module supports PCIe Gen3 x1 and USB 2.0 and 3.0 interfaces.
The manufacturer states that USB is "for debug" but it has been confirmed to be fully functional, except for modem-control requests on some of the interfaces.
USB device composition is controlled by AT+GTUSBMODE=<mode> command. Two values are currently supported for the <mode>:
40: RNDIS+AT+AP(GNSS)+META+DEBUG+NPT+ADB 41: RNDIS+AT+AP(GNSS)+META+DEBUG+NPT+ADB+AP(LOG)+AP(META)(default value)
The order here does not seem to match the usb-devices output below (e.g. with ADB as interface 3 and 5, respectively).
Could you just update these two lines so we the interface mapping right?
Thanks, I didn't notice that.
This part was copied from the Fibocom AT+GTUSBMODE documentation and seems to list supported functions independently of the resulting USB interface order.
I'm afraid I can't verify the actual order since I don't have access to this module myself, and there is no way to tell the AT, GNSS, META, DEBUG, NPT and LOG functons from eacohother based on USB descriptors.
The best I can do is dropping these two lines. Is that better?
No, I'll just amend the commit message to clarify that the order is unspecified. Thanks.
Johan