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Dario Lombardo dario.lombardo at libero.itHi Tomas
On 01/21/2011 03:14 AM, Tomas Kopsa wrote:
> Device: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 1.10
> bDeviceClass 0 (Defined at Interface level)
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 64
> idVendor 0x067b Prolific Technology, Inc.
> idProduct 0x2303 PL2303 Serial Port
This points out that your cable is ok. Both Vendor and product id are
ok. The motorola cable is shown as idProduct=0x0307.
> bcdDevice 3.00
> iManufacturer 1 Prolific Technology Inc.
> iProduct 2 USB-Serial Controller
> iSerial 0
> bNumConfigurations 1
This is my dmesg using the moto cable
[ 1075.794167] usb 1-1.2: new full speed USB device using ehci_hcd and
address 53
[ 1075.879904] usb 1-1.2: New USB device found, idVendor=067b,
idProduct=0307
[ 1075.879910] usb 1-1.2: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 1075.879914] usb 1-1.2: Product: USB-Serial Controller
[ 1075.879917] usb 1-1.2: Manufacturer: Prolific Technology Inc.
[ 1075.879920] usb 1-1.2: SerialNumber: 06001069
To make it work you have to recompile the module pl2303, with this patch
(my kernel is 2.6.35.10-74.fc14.i686). Be careful to setup the right
values in the kernel root Makefile in order to fit your running kernel.
*** drivers/usb/serial/pl2303.h.orig 2011-01-21 09:11:21.000000000 +0100
--- drivers/usb/serial/pl2303.h 2011-01-19 13:54:30.000000000 +0100
***************
*** 21,26 ****
--- 21,27 ----
#define PL2303_PRODUCT_ID_MMX 0x0612
#define PL2303_PRODUCT_ID_GPRS 0x0609
#define PL2303_PRODUCT_ID_HCR331 0x331a
+ #define PL2303_PRODUCT_ID_MOTOROLA 0x0307
#define ATEN_VENDOR_ID 0x0557
#define ATEN_VENDOR_ID2 0x0547
*** drivers/usb/serial/pl2303.c.orig 2011-01-21 09:11:09.000000000 +0100
--- drivers/usb/serial/pl2303.c 2011-01-19 13:58:22.000000000 +0100
***************
*** 50,55 ****
--- 50,56 ----
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
Remove the old module (rmmod pl2303) and insert the new one (insmod
<yoursrckernelroot>/drivers/usbserial/pl2303). Check that the usbserial
module is running (modprobe usbserial). If the insmod command fails, it
depends on the wrong values put in the Makefile. Check
"vermagic" using modinfo against old and new modules.
Hope this helps.
Dario.