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Date:      Wed, 30 Mar 2005 12:44:12 +0200
From:      Bernd Walter <ticso@cicely12.cicely.de>
To:        Alexandre Jouravlev <bofh@mail.ru>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Ezload problems.
Message-ID:  <20050330104411.GL33677@cicely12.cicely.de>
In-Reply-To: <d6c9e248f5b46757d8083af2d48db088@mail.ru>
References:  <d6c9e248f5b46757d8083af2d48db088@mail.ru>

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On Wed, Mar 30, 2005 at 01:24:43PM +0400, Alexandre Jouravlev wrote:
> Hello, I have usb device, which is based on EZ-USB chip (AN2131QC). I 
> have working firmware for this device which is proved to work under Mac 
> OS X and windows.
> 
> But when I plug the device into the FreeBSD machine and download 
> firmware with ezdownload utility something strange occurred: the 
> firmware written correctly, but new device doesn't appears on usb bus.

Do you see a disconnect from the device?

> The strange things:
> 1) If I reboot machine after downloading firmware to device, usb stack 
> works correctly with my device.
> 2) When I remove usb from kernel and make it a kld module, full reload 
> of USB stack does not help! What magic has take place during boot, 
> which helps USB stack to find my device?

I don't know, but I could imagine that the host controller isn't
completely deconfigured on module unload.

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd@bwct.de                                  info@bwct.de



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