[PATCH 6.12 140/242] USB: serial: io_edgeport: add support for Blackbox IC135A

Greg Kroah-Hartman
2026-04-08T18:45:40Z

From: Frej Drejhammar <frej@stacken.kth.se>

commit 0e01c3416eb863ee7f156a9d7e7421ec0a9f68a0 upstream.

The Blackbox 724-746-5500 USB Director USB-RS-232 HUB, part number
IC135A, is a rebadged Edgeport/4 with its own USB device id.

Signed-off-by: Frej Drejhammar <frej@stacken.kth.se>
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/io_edgeport.c | 3 +++
drivers/usb/serial/io_usbvend.h | 1 +
2 files changed, 4 insertions(+)

--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -73,6 +73,7 @@ static const struct usb_device_id edgepo
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_22I) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_412_4) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_COMPATIBLE) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_BLACKBOX_IC135A) },
{ }
};

@@ -121,6 +122,7 @@ static const struct usb_device_id id_tab
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_8R) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_8RR) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_412_8) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_BLACKBOX_IC135A) },
{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0202) },
{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0203) },
{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0310) },
@@ -470,6 +472,7 @@ static void get_product_info(struct edge
case ION_DEVICE_ID_EDGEPORT_2_DIN:
case ION_DEVICE_ID_EDGEPORT_4_DIN:
case ION_DEVICE_ID_EDGEPORT_16_DUAL_CPU:
+ case ION_DEVICE_ID_BLACKBOX_IC135A:
product_info->IsRS232 = 1;
break;

--- a/drivers/usb/serial/io_usbvend.h
+++ b/drivers/usb/serial/io_usbvend.h
@@ -211,6 +211,7 @@

//
// Definitions for other product IDs
+#define ION_DEVICE_ID_BLACKBOX_IC135A 0x0801 // OEM device (rebranded Edgeport/4)
#define ION_DEVICE_ID_MT4X56USB 0x1403 // OEM device
#define ION_DEVICE_ID_E5805A 0x1A01 // OEM device (rebranded Edgeport/4)