linux-kernel - [PATCH] usb: serial: io_ti: Adding Agilent E5805A support

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Date:   Sat, 14 May 2022 12:28:04 +0900
From:   Robert Eckelmann <longnoserob@...il.com>
To:     johan@...nel.org, gregkh@...uxfoundation.org, corbet@....net,
        linux-usb@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] usb: serial: io_ti: Adding Agilent E5805A support

Hello Johan,

Below is a small patch regarding the io_ti driver.
This patch enables the use of the Agilent E5805A USB-RS232(x4) adapter.
It is a relabeled Inside Out Networks Edgeport with OEM USB-ID.



Signed-off-by: Robert Eckelmann <longnoserob@...il.com>
---
 Documentation/usb/usb-serial.rst | 4 ++++
 drivers/usb/serial/io_ti.c       | 2 ++
 drivers/usb/serial/io_usbvend.h  | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/usb/usb-serial.rst b/Documentation/usb/usb-serial.rst
index 69586aeb60bb..d9cfb6cb2d07 100644
--- a/Documentation/usb/usb-serial.rst
+++ b/Documentation/usb/usb-serial.rst
@@ -412,6 +412,10 @@ Inside Out Networks Edgeport Driver
        - Edgeport/4 DIN
        - Edgeport/16 Dual

+  This dirver now also includes the Agilent E5805A usb-to-RS232 adapter device,
+  as this is a rebranded Edgeport device.
+
+
   For any questions or problems with this driver, please contact Greg
   Kroah-Hartman at greg@...ah.com

diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a7b3c15957ba..2810cefa628d 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -166,6 +166,7 @@ static const struct usb_device_id edgeport_2port_id_table[] = {
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
+	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_E5805A)},
	{ }
 };

@@ -204,6 +205,7 @@ static const struct usb_device_id id_table_combined[] = {
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
+	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_E5805A)},
	{ }
 };

diff --git a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h
index 52cbc353051f..3be6bce15d97 100644
--- a/drivers/usb/serial/io_usbvend.h
+++ b/drivers/usb/serial/io_usbvend.h
@@ -212,7 +212,7 @@
 //
 // Definitions for other product IDs
 #define ION_DEVICE_ID_MT4X56USB			0x1403	// OEM device
-
+#define ION_DEVICE_ID_E5805A			0x1A01  // OEM device (internals based on Edgeport/4?)

 #define	GENERATION_ID_FROM_USB_PRODUCT_ID(ProductId)				\
			((__u16) ((ProductId >> 8) & (ION_GENERATION_MASK)))
--
2.36.0