This is a note to let you know that I've just added the patch titled USB: serial: cp210x: add ID for IMST iM871A-USB 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-cp210x-add-id-for-imst-im871a-usb.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. >From 12b17b4eb82a41977eb848048137b5908d52845c Mon Sep 17 00:00:00 2001 From: Leonard Dallmayr <leonard.dallmayr@xxxxxxxxxxx> Date: Fri, 5 Jan 2024 13:35:51 +0100 Subject: USB: serial: cp210x: add ID for IMST iM871A-USB From: Leonard Dallmayr <leonard.dallmayr@xxxxxxxxxxx> commit 12b17b4eb82a41977eb848048137b5908d52845c upstream. The device IMST USB-Stick for Smart Meter is a rebranded IMST iM871A-USB Wireless M-Bus USB-adapter. It is used to read wireless water, gas and electricity meters. Signed-off-by: Leonard Dallmayr <leonard.dallmayr@xxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/serial/cp210x.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -147,6 +147,7 @@ static const struct usb_device_id id_tab { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */ { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ + { USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */ { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */ { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */ { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */ Patches currently in stable-queue which might be from leonard.dallmayr@xxxxxxxxxxx are queue-5.4/usb-serial-cp210x-add-id-for-imst-im871a-usb.patch