Re: [PATCH v3] USB: serial: option: add support for SIMCom SIM8260C

[Johan Hovold]

On Mon, Aug 17, 2026 at 03:14:27PM +0800, Zhao Dongdong wrote:
> From: Zhao Dongdong <zhaodongdong@xxxxxxxxxx>
> 
> Add support for SIMCom SIM8260C (1e0e:902b).
> 
> T:  Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0
> D:  Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  1
> P:  Vendor=1e0e ProdID=902b Rev= 5.04
> S:  Manufacturer=SIMCOM
> S:  Product=SDXLEMUR-LITE-MTP _SN:120696AB
> S:  SerialNumber=0123456789ABCDEF
> C:* #Ifs= 8 Cfg#= 1 Atr=a0 MxPwr=896mA
> A:  FirstIf#= 5 IfCount= 3 Cls=01(audio) Sub=00 Prot=20
> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
> E:  Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option
> E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
> E:  Ad=85(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
> E:  Ad=87(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan_simcom
> E:  Ad=88(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
> E:  Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:* If#= 5 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=20 Driver=snd-usb-audio
> I:* If#= 6 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=20 Driver=snd-usb-audio
> I:  If#= 6 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=20 Driver=snd-usb-audio
> E:  Ad=05(O) Atr=0d(Isoc) MxPS=  34 Ivl=1ms
> I:* If#= 7 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=20 Driver=option
> I:  If#= 7 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=20 Driver=option

I changed these entries to read

	Driver=(none)

> E:  Ad=89(I) Atr=0d(Isoc) MxPS=  34 Ivl=1ms
> 
> Signed-off-by: Zhao Dongdong <zhaodongdong@xxxxxxxxxx>
> ---
> v3: Use USB_DEVICE_INTERFACE_CLASS.
> v2: https://lore.kernel.org/all/tencent_E58647B4DE1D2583D785AFDDE58EB278FD05@xxxxxx/
> v1: https://lore.kernel.org/all/tencent_CDB9F0B44FDD051447DCF48862B8E764E80A@xxxxxx/

Now applied, thanks.

Johan