USB: serial: option: add MeiG Smart SLM828

commit db79e75460fc59b19f9c89d4b068e61cee59f37d upstream.

MeiG Smart SLM828 is an LTE-A CAT6 modem with the mPCIe form factor. The
"Cls=ff(vend.) Sub=10 Prot=02" and "Cls=ff(vend.) Sub=10 Prot=03"
interfaces respond to AT commands. Add these interfaces.

The product ID the modem uses is shared across multiple modems. Therefore,
add comments to describe which interface is used for which modem.

T:  Bus=01 Lev=01 Prnt=05 Port=01 Cnt=01 Dev#=  6 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=2dee ProdID=4d22 Rev=05.04
S:  Manufacturer=MEIG
S:  Product=LTE-A Module
S:  SerialNumber=4da7ec42
C:  #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=10 Prot=01 Driver=(none)
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= 3 Cls=ff(vend.) Sub=10 Prot=02 Driver=(none)
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=10 Prot=03 Driver=(none)
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=10 Prot=04 Driver=(none)
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 4 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=88(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
I:  If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=10 Prot=05 Driver=qmi_wwan
E:  Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=89(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
E:  Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Chester A. Unal <chester.a.unal@arinc9.com>
Link: https://lore.kernel.org/20250124-for-johan-meig-slm828-v2-1-6b4cd3f6344f@arinc9.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89e6a9afb808235adaa0430e0f6c5dafc14e266e..9206513b8aebed3a624108c4c41d0dbd9db271e6 100644 (file)
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -621,7 +621,10 @@ static void option_instat_callback(struct urb *urb);
 
 /* MeiG Smart Technology products */
 #define MEIGSMART_VENDOR_ID                    0x2dee
-/* MeiG Smart SRM815/SRM825L based on Qualcomm 315 */
+/*
+ * MeiG Smart SLM828, SRM815, and SRM825L use the same product ID. SLM828 is
+ * based on Qualcomm SDX12. SRM815 and SRM825L are based on Qualcomm 315.
+ */
 #define MEIGSMART_PRODUCT_SRM825L              0x4d22
 /* MeiG Smart SLM320 based on UNISOC UIS8910 */
 #define MEIGSMART_PRODUCT_SLM320               0x4d41
@@ -2405,10 +2408,12 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
        { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
        { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM770A, 0xff, 0, 0) },
-       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0, 0) },
-       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },
-       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },
-       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0, 0) },  /* MeiG Smart SRM815 */
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0x10, 0x02) },    /* MeiG Smart SLM828 */
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0x10, 0x03) },    /* MeiG Smart SLM828 */
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },    /* MeiG Smart SRM815 and SRM825L */
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },    /* MeiG Smart SRM825L */
+       { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },    /* MeiG Smart SRM825L */
        { USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0530, 0xff),                     /* TCL IK512 MBIM */
          .driver_info = NCTRL(1) },
        { USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0640, 0xff),                     /* TCL IK512 ECM */