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Re: [ts-7000] USB on TS-Linux. TS-7260

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Subject: Re: [ts-7000] USB on TS-Linux. TS-7260
From: Petr Stetiar <>
Date: Wed, 27 Jun 2007 09:14:48 +0200
zplovanic <> [2007-06-27 01:28:02]:

> Sorry for the lengthy message, but does anyone have any clue about
> what is going on, or how I might go about figuring out what is going
> on?  Bear with me if I do or have done anything stupid, as I am quite
> new with ARM boards (and Linux in general).   Any help is greatly
> appreciated.

According to libusb source, usb_find_devices() in usb.c calls
usb_os_find_devices() in linux.c and this function looks for devices in
usb_path which is initialized in usb_init()/usb_os_init() to env variable
USB_DEVFS_PATH, '/dev/bus/usb' or '/proc/bus/usb'. So if there is no USB
device in these directories, usb_find_devices() returns 0. It seems like a
devfs problem or so. 

You can compile libusb yourself with debugging output and track down the
problem. You can for sure add more debugging printf() inside problematic
functions also.

I'm not using 2.4 kernel neither TS Linux, so I can't help you more.

-- ynezz


 
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