linux-kernel - Re: [PATCH 1/2] bnx2: factor out gzip unpacker

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Message-ID: <Pine.LNX.4.64.0709212130490.11228@bizon.gios.gov.pl>
Date:	Fri, 21 Sep 2007 21:33:39 +0200 (CEST)
From:	Krzysztof Oledzki <olel@....pl>
To:	Denys Vlasenko <vda.linux@...glemail.com>
cc:	Valdis.Kletnieks@...edu, David Miller <davem@...emloft.net>,
	jeff@...zik.org, mchan@...adcom.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] bnx2: factor out gzip unpacker



On Fri, 21 Sep 2007, Denys Vlasenko wrote:

> On Friday 21 September 2007 19:36, Valdis.Kletnieks@...edu wrote:
>> On Fri, 21 Sep 2007 19:05:23 BST, Denys Vlasenko said:
>>
>>> I plan to use gzip compression on following drivers' firmware,
>>> if patches will be accepted:
>>>
>>>    text    data     bss     dec     hex filename
>>>   17653  109968     240  127861   1f375 drivers/net/acenic.o
>>>    6628  120448       4  127080   1f068 drivers/net/dgrs.o
>>>          ^^^^^^
>>
>> Should this be redone to use the existing firmware loading framework to
>> load the firmware instead?
>
> Not in every case.
>
> For example, bnx2 maintainer says that driver and
> firmware are closely tied for his driver. IOW: you upgrade kernel
> and your NIC is not working anymore.
Firmware may come with a kernel. We have a "install modules", we can also 
add "install firmware".

> Another argument is to make kernel be able to bring up NICs
> without needing firmware images in initramfs/initrd/hard drive.

It is not possible to bring up things like FC or WiFi without firmware, 
what special is in classic NICs?

Best regards,

 				Krzysztof Olędzki