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    Subject[PATCH 5.15 031/135] USB: serial: option: add Quectel EM05-G modem
    Date
    From: Yonglin Tan <yonglin.tan@outlook.com>

    commit 33b29dbb39bcbd0a96e440646396bbf670b914fa upstream.

    The EM05-G modem has 2 USB configurations that are configurable via the AT
    command AT+QCFG="usbnet",[ 0 | 2 ] which make the modem enumerate with
    the following interfaces, respectively:

    "RMNET" : AT + DIAG + NMEA + Modem + QMI
    "MBIM" : MBIM + AT + DIAG + NMEA + Modem

    The detailed description of the USB configuration for each mode as follows:

    RMNET Mode
    --------------
    T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 21 Spd=480 MxCh= 0
    D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
    P: Vendor=2c7c ProdID=030a Rev= 3.18
    S: Manufacturer=Quectel
    S: Product=Quectel EM05-G
    C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
    I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
    E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 6 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
    E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
    E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

    MBIM Mode
    --------------
    T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
    D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
    P: Vendor=2c7c ProdID=030a Rev= 3.18
    S: Manufacturer=Quectel
    S: Product=Quectel EM05-G
    C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
    A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
    I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
    E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
    E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
    E: Ad=89(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
    I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
    I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
    E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

    Signed-off-by: Yonglin Tan <yonglin.tan@outlook.com>
    Cc: stable@vger.kernel.org
    Signed-off-by: Johan Hovold <johan@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/usb/serial/option.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/drivers/usb/serial/option.c
    +++ b/drivers/usb/serial/option.c
    @@ -252,6 +252,7 @@ static void option_instat_callback(struc
    #define QUECTEL_PRODUCT_EG95 0x0195
    #define QUECTEL_PRODUCT_BG96 0x0296
    #define QUECTEL_PRODUCT_EP06 0x0306
    +#define QUECTEL_PRODUCT_EM05G 0x030a
    #define QUECTEL_PRODUCT_EM12 0x0512
    #define QUECTEL_PRODUCT_RM500Q 0x0800
    #define QUECTEL_PRODUCT_EC200S_CN 0x6002
    @@ -1134,6 +1135,8 @@ static const struct usb_device_id option
    { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
    .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
    { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
    + { USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G, 0xff),
    + .driver_info = RSVD(6) | ZLP },
    { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff),
    .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
    { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) },

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