linux-kernel - Re: [PATCH] MODULE_FIRMWARE for binary firmware(s)

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Date:	Tue, 29 Aug 2006 06:19:28 +0200
From:	Oleg Verych <olecom@...wer.upol.cz>
To:	linux-kernel@...r.kernel.org
Cc:	debian-kernel@...ts.debian.org
Subject:  Re: [PATCH] MODULE_FIRMWARE for binary firmware(s)

Greg KH wrote:
> On Tue, Aug 29, 2006 at 05:14:30AM +0200, Oleg Verych wrote:
> 
>>On Mon, Aug 28, 2006 at 06:51:03PM -0700, Greg KH wrote:
>>
>>>On Tue, Aug 29, 2006 at 04:15:49AM +0200, Oleg Verych wrote:
>>>
>>>>>>request_firmware() is dead also.
>>>>>>YMMV, but three years, and there are still big chunks of binary in kernel.
>>>>>>And please don't add new useless info _in_ it.
>>>>
>>>>Hell, what can be as easy as this:
>>>>,-
>>>>|modprobe $drv
>>>>|(dd </lib/firmware/$drv.bin>/dev/blobs && echo OK) || echo Error
>>>>`-
>>>>where /dev/blobs is similar to /dev/port or even /dev/null char device.
>>>>if synchronization is needed, add `echo $drv >/dev/blobs`, remove modprobe,
>>>
...
> 
>>I'm nether a CS nor software engineer, just wondering why simple thing isn't
>>simple _in_ the Kernel. I'm reading list "just for fun (C)" and any good word
>>about this (IMHO) unix-way design *may* lead professional programmers to do
>>tiny worthy things (think about kevent discussion).
>>If it's (i'm) stupid, please, say so (in the way Nicholas Miell did ;).
> 
> I don't think it's workable, and goes against the current way the kernel
> does things.  But please, feel free to prove me wrong with a patch
> otherwise.  I don't want to debate it otherwise.
> 
Thanks, and OK, this is my last reply on this.

> I think the current way we handle firmware works quite well, especially
> given the wide range of different devices that it works for (everything
> from BIOS upgrades to different wireless driver stages).
> 
Oh, come on, even skilled developers (not particular kernel's) having
difficulties with current hotplug-sysfs-modprobe thing;
in this case one couldn't easily figure out problems and way to solve them
<http://permalink.gmane.org/gmane.comp.hardware.texas-instruments.msp430.gcc.user/5444>

Goodbye.

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