usb/128115: USB-RS232 circuets on chip PL2303HX no correct detemine uplcom as PL2303

Borodin Oleg ziggi at inbox.ru
Wed Oct 15 10:30:02 UTC 2008


>Number:         128115
>Category:       usb
>Synopsis:       USB-RS232 circuets on chip PL2303HX no correct detemine uplcom as PL2303
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 15 10:30:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Borodin Oleg
>Release:        6.3; 6.4-RC1
>Organization:
>Environment:
FreeBSD eee.home 6.4-RC1 FreeBSD 6.4-RC1 #0: Sat Oct 11 23:12:39 EEST 2008     ziggi at eee.home:/usr/src64/sys/i386/compile/EEE01  i386

>Description:
PL2303HX USB-RS232 chips (may be only some chips?) return not updated product&release information on usb, where determine uplcom as PL2303.
I tested in 2 cables on this chip.
>How-To-Repeat:

>Fix:
Patch attached. uplcom determine and work as with PL2303X. Test in speed 9600-115200bps (Cisco, Notrel circuits) - in this speed work ok.

Patch attached with submission follows:

--- ./sys/dev/usb/uplcom.c.orig	2008-10-04 10:23:55.000000000 +0300
+++ ./sys/dev/usb/uplcom.c	2008-10-14 07:56:45.000000000 +0300
@@ -243,6 +243,10 @@
 	/* ST Lab USB-SERIAL-4 */
 	{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303,
 	  0x300, TYPE_PL2303X },
+	/* ST Lab USB-SERIAL-4 */
+	{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303,
+	  0x400, TYPE_PL2303X },
+
 	/* IOGEAR/ATEN UC-232A (also ST Lab USB-SERIAL-1) */
 	{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, -1, TYPE_PL2303 },
 	/* HAMLET exagerate XURS232 */


>Release-Note:
>Audit-Trail:
>Unformatted:


More information about the freebsd-usb mailing list