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From: Manuel Estrada Sainz <>
To: Marcel Holtmann <>
Cc: Linux Kernel Mailing List <>
Subject: Re: Firmware loading problem
Date: Tue, 22 Jul 2003 16:55:47 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <1058885139.2757.27.camel@pegasus>

On Tue, Jul 22, 2003 at 04:45:28PM +0200, Marcel Holtmann wrote:
> Hi,
> I installed linux-2.6.0-test1-ac2 and tried to port my driver for the
> BlueFRITZ! USB Bluetooth dongle to 2.6. This device needs a firmware
> download and I want to use the new firmware class for getting the
> firmware file from userspace. After reading the documentation and
> testing the driver samples I got the results that I expected.
> My problem is now that the firmware loader is not working with my
> firmware file and it seems that this is a problem of the file size,
> because copying small files through the same interface is working fine.
> This is the file I want to load:
> -rw-r--r--  1 holtmann staff  418352 Jul 11 12:38 bfubase.frm
> I have written my own firmware.agent hotplug script, which looks in
> general something like this:
> 	echo 1 > $LOADING
> 	cp bfubase.frm $DATA
> 	echo 0 > $LOADING
> Loading the above firmware file through this interface results in
> different behaviours. The results are complete freezes, instant reboots,
> X server crashes with black screens and sometimes I see an oops about
> virtual memory, but it goes bye bye too fast to let me do anything
> useful with it.

 Could you send me a tarball with a sample showing the problem. If
 possible I would like to do "make test" and have it compile and crash
 the system appropriately :)
> Are their any limitations with the sysfs binary file interface?

 Not that I know of. But I am willing to learn :)



--- Manuel Estrada Sainz <>
------------------------ <> -------------------
Let us have the serenity to accept the things we cannot change, courage to
change the things we can, and wisdom to know the difference.

  reply	other threads:[~2003-07-22 14:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-22 14:45 Firmware loading problem Marcel Holtmann
2003-07-22 14:55 ` Manuel Estrada Sainz [this message]
2003-07-22 15:38   ` Marcel Holtmann
2003-07-26  9:04     ` [PATCH] " Manuel Estrada Sainz
2003-07-26 11:14       ` Marcel Holtmann
2003-07-26 11:26         ` Manuel Estrada Sainz
2003-07-27 19:21       ` Matthew Wilcox
2003-07-27 21:21         ` Manuel Estrada Sainz
2003-08-01 15:05           ` Manuel Estrada Sainz
2003-08-01 18:50             ` Manuel Estrada Sainz

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