Patch "USB: serial: option: add MeiG Smart SLM320 product" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    USB: serial: option: add MeiG Smart SLM320 product

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     usb-serial-option-add-meig-smart-slm320-product.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit d052ea1549170db9de28018e5f9c18c65a452d3a
Author: Aurélien Jacobs <aurel@xxxxxxxxxx>
Date:   Wed Jan 31 18:49:17 2024 +0100

    USB: serial: option: add MeiG Smart SLM320 product
    
    [ Upstream commit 46809c51565b83881aede6cdf3b0d25254966a41 ]
    
    Update the USB serial option driver to support MeiG Smart SLM320.
    
    ID 2dee:4d41 UNISOC UNISOC-8910
    
    T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 9 Spd=480 MxCh= 0
    D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
    P: Vendor=2dee ProdID=4d41 Rev=00.00
    S: Manufacturer=UNISOC
    S: Product=UNISOC-8910
    C: #Ifs= 8 Cfg#= 1 Atr=e0 MxPwr=400mA
    I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 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=00 Prot=00 Driver=option
    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= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I: If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I: If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
    E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    
    Tested successfully a PPP LTE connection using If#= 0.
    Not sure of the purpose of every other serial interfaces.
    
    Signed-off-by: Aurélien Jacobs <aurel@xxxxxxxxxx>
    Cc: stable@xxxxxxxxxxxxxxx
    Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 406cfd5ad9f48..17c3044c2d26a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -613,6 +613,11 @@ static void option_instat_callback(struct urb *urb);
 /* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
 #define LUAT_PRODUCT_AIR720U			0x4e00
 
+/* MeiG Smart Technology products */
+#define MEIGSMART_VENDOR_ID			0x2dee
+/* MeiG Smart SLM320 based on UNISOC UIS8910 */
+#define MEIGSMART_PRODUCT_SLM320		0x4d41
+
 /* Device flags */
 
 /* Highest interface number which can be used with NCTRL() and RSVD() */
@@ -2282,6 +2287,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
 	{ 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) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);




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