Thanks MH,

Ja,  I think it is mostly probable due to the the USB host device driver for SL811 in Linux-Arm Branch.

The reason I posted it I think that there must be many people who works Bluez in ARM-based system, (at leaset next large number for developers to x86), So I am asking how they solved this problems and whether I made some dull mistakes for using bluez.

Since the bluez site anounces that it support Xscale machine, I believe someone can answer me.

I am still need your help, Help me.

Heejune

----- Original Message -----
From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
Cc: heejune@snut.ac.kr
Sent: 2004/12/25 22:13
Subject: Re: [Bluez-users] Help, Xscale-based Linux machin cannot useBluetooth USB dongle ^^;;;

Hi,

> I have problem using Bluetooth USB Dongle in a Xscale-based Linux
> machine.
> The bluez official site announces that it suuport arm-based machine
> (including xscale).
> I am wondering what I have to do solve this problem.. please help me.
> 
> 
> First of all, I tested and succeeded in using the dongle with Redhat
> 9.x (2.4.20-8) with bluez 1.12 applications.
> l2ping, hciconfig, ... and finally pand, where I get a ftp file
> trasfer speed of 500 kbp!
> 
> Now I tried to the same thing on the xsale-machine. I got a patch for
> 2.4.19 from the bluez site and applied it to my machine kernel.
> and cross-compiled the bluez lib and utility.
> Then, I plug in the dongle, I typed "hciconfig" and got a nice results
> 
> >hciconfig
>  hci0 
>  DN brabra.....
> 
> It is time to do the hci0 up:
> 
> >hciconfig hci0 up
> IRQ occurred while service SOF: irq = 0x1
> IRQ occurred while service SOF: irq = 0x1
> Cannot init device: time-out (101)
> 
> I checked the /proc/bus/usb/drivers and devices. It looks ok, it has
> the hci_usb devices and drivers also.
> So, I cheked the source and internet: it seems that the SL811 USB HOST
> controller driver of Arm-based linux kernel
> has some problem. I even tried to patch the usb low leve driver, but
> still not ok ^^;;;;;
> 
> Is there any solution and hint or some suggestion for this??????

this don't look like a BlueZ problem. This really looks like a problem
with the USB host controller.

Regards

Marcel




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