RE: [External Mail] Re: [PATCH] USB: serial: option: add new usb-id for Dell Wireless DW5826e-m

["Wu. JackBB (GSM)" <JackBB_Wu@compal.com>]

> On 2026-06-01 09:52, Jack Wu via B4 Relay wrote:
> > From: Jack Wu <jackbb_wu@compal.com>
> >
> > Add support for Dell DW5826e-m with USB-id 0x413c:0x81ea
> >
> > T: Bus=03 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 8 Spd=480 MxCh= 0
> > D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> > P: Vendor=413c ProdID=81ea Rev= 5.04
> > S: Manufacturer=DELL
> > S: Product=DW5826e-m Qualcomm Snapdragon X12 Global LTE-A
> > S: SerialNumber=358988870177734
> > C:* #Ifs= 7 Cfg#= 1 Atr=a0 MxPwr=500mA
> > A: FirstIf#=12 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
> > I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
> > E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
> > E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option
> > E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> > E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
> > E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> > E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > I:* If#= 4 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> > E: Ad=87(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
> > I:* If#=12 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
> > E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
> > I: If#=13 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> > I:* If#=13 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> > E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >
> > Signed-off-by: Jack Wu <jackbb_wu@compal.com>
> > ---
> > drivers/usb/serial/option.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> > index 48ae0188f2e9..e37013a6956a 100644
> > --- a/drivers/usb/serial/option.c
> > +++ b/drivers/usb/serial/option.c
> > @@ -203,6 +203,8 @@ static void option_instat_callback(struct urb *urb);
> > #define DELL_PRODUCT_5829E_ESIM 0x81e4
> > #define DELL_PRODUCT_5829E 0x81e6
> >
> > +#define DELL_PRODUCT_DW5826E_ESIM 0x81ea
> > +
> > #define DELL_PRODUCT_FM101R_ESIM 0x8213
> > #define DELL_PRODUCT_FM101R 0x8215
> >
> > @@ -1125,6 +1127,7 @@ static const struct usb_device_id option_ids[] = {
> > .driver_info = RSVD(0) | RSVD(6) },
> > { USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R, 0xff) },
> > { USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R_ESIM, 0xff)
> > },
> > + { USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_DW5826E_ESIM,
> > 0xff) },
> > { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100,
> > ADU-310 */
> > { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
> > { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
> >
> > ---
> > base-commit: e43ffb69e0438cddd72aaa30898b4dc446f664f8
> > change-id: 20260601-dw5826e-option-driver-e9bac038e2b5
> >
> > Best regards,
> > --
> > Jack Wu <jackbb_wu@compal.com>
> >
> >
> >
> Hi Jack,
> you have the device in the correct driver now and you have got rid of
> the legal disclaimer but there is still a problem with the patch.
> Interface #1 which is for ADB should not be claimed by the option
> driver, you have to add a line blacklisting (reserving)it.
>
> thanks
> Lars

Hi Lars,

Thanks for your review and pointing that out.

I will fix this by changing the entry to use USB_DEVICE_AND_INTERFACE_INFO with RSVD(1) to blacklist interface #1 (ADB).
I'll submit the v2 patch shortly.

Thanks.


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