ACK: [PATCH 0/1][SRU][Unstable][Noble] Support QCA WWAN 4G Qualcomm SDX12 CAT12/DW5825e

Tim Gardner tim.gardner at canonical.com
Thu Nov 30 14:20:16 UTC 2023


On 11/30/23 2:34 AM, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2038259
> 
> [Impact]
> 
> Missing usb serial interface for FM101R-GL.
> 
> [Fix]
> 
> * commit 52480e1f1a25 ("USB: serial: option: add Fibocom to DELL custom modem
>    FM101R-GL"): in v6.6-rc7
> * commit a1092619dd28 ("USB: serial: option: fix FM101R-GL defines"): in
>    v6.7-rc3
> 
> [Test Case]
> 
> 1. check lsusb & dmesg output
> ```
> $ lsusb
> Bus 004 Device 002: ID 413c:8215 Dell Computer Corp. Fibocom FM101-GL Module
> ...
> $ sudo dmesg
> [ 8.460678] usbcore: registered new interface driver usbserial_generic
> [ 8.460690] usbserial: USB Serial support registered for generic
> [ 8.549734] usbcore: registered new interface driver option
> [ 8.550108] usbserial: USB Serial support registered for GSM modem (1-port)
> [ 8.550266] option 4-4:1.2: GSM modem (1-port) converter detected
> [ 8.553584] usb 4-4: GSM modem (1-port) converter now attached to ttyUSB0
> [ 8.556445] usbcore: registered new interface driver cdc_ncm
> [ 8.601187] usbcore: registered new interface driver cdc_wdm
> [ 9.059744] cdc_mbim 4-4:1.0: setting rx_max = 16384
> [ 9.060079] cdc_mbim 4-4:1.0: cdc-wdm0: USB WDM device
> [ 9.060338] wwan wwan0: port wwan0mbim0 attached
> ```
> 
> 2. make sure ModemManager has probed it:
> ```
> $ mmcli -L
>      /org/freedesktop/ModemManager1/Modem/0 [Fibocom Wireless Inc.] Fibocom
>      FM101-GL Module
> ```
> 
> [Where problems could occur]
> 
> New hardware, still under development. Maybe we'll have to enable/patch for its
> vendor specific interface or so.
> 
> [Other Info]
> 
> The first patch is available for v6.6, and the second for v6.7. While we're
> enabling it on linux-oem-6.5/jammy, nominate for linux/noble, which is currently
> on v6.6, and linux-oem-6.5.
> 
> Puliang Lu (1):
>    USB: serial: option: fix FM101R-GL defines
> 
>   drivers/usb/serial/option.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
-----------
Tim Gardner
Canonical, Inc




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