USB: serial: pl2303: add Allied Telesis VT-Kit3 [Linux 4.14.128]

USB: serial: pl2303: add Allied Telesis VT-Kit3 [Linux 4.14.128]

This Linux kernel change "USB: serial: pl2303: add Allied Telesis VT-Kit3" is included in the Linux 4.14.128 release. This change is authored by Chris Packham <chris.packham [at]> on Tue May 14 17:35:42 2019 +1200. The commit for this change in Linux stable tree is 0089afc (patch) which is from upstream commit c5f8165. The same Linux upstream change may have been applied to various maintained Linux releases and you can find all Linux releases containing changes from upstream c5f8165.

USB: serial: pl2303: add Allied Telesis VT-Kit3

commit c5f81656a18b271976a86724dadd8344e54de74e upstream.

This is adds the vendor and device id for the AT-VT-Kit3 which is a
pl2303-based device.

Signed-off-by: Chris Packham <>
Cc: stable <>
Signed-off-by: Johan Hovold <>
Signed-off-by: Greg Kroah-Hartman <>

There are 4 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 drivers/usb/serial/pl2303.c | 1 +
 drivers/usb/serial/pl2303.h | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 5e86be8..1c4d3db 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -109,6 +109,7 @@
    { }                 /* Terminating entry */

diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index f21445a..fcc2cfc 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -160,3 +160,6 @@
 #define SMART_VENDOR_ID    0x0b8c
 #define SMART_PRODUCT_ID   0x2303

+/* Allied Telesis VT-Kit3 */
+#define AT_VENDOR_ID       0x0caa
+#define AT_VTKIT3_PRODUCT_ID   0x3001

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