netdev - Re: [PATCH] tehuti: driver for Tehuti 10GbE network adapters

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Date:	Wed, 19 Sep 2007 16:52:58 +0100
From:	'Christoph Hellwig' <hch@...radead.org>
To:	Alexander Indenbaum <baum@...utinetworks.net>
Cc:	'Christoph Hellwig' <hch@...radead.org>, jeff@...zik.org,
	davem@...emloft.org, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, 'Nadav Shemer' <nadav@...utinetworks.net>,
	'Andy Gospodarek' <andy@...yhouse.net>
Subject: Re: [PATCH] tehuti: driver for Tehuti 10GbE network adapters

On Wed, Sep 19, 2007 at 12:44:33PM +0200, Alexander Indenbaum wrote:
> >  - please don't redefine the dma mask constants
> >  - please use the firmware loader instead of mebedding a firmware
> >    image
> 
> Could you give us some pointers to docs and examples of "firmware loader"?
> I'm not sure I'm familiar with such mechanism in Linux kernel.

Documentation/firmware_class/ in the kernel tree has the documentation
for it.  Grep the kernel tree for request_firmware to find various users.

> Putting dual-port issue aside, could you elaborate what is the problem in
> your opinion in bdx_remove() implementation? What is wrong with calling
> free_netdev() right after unregister_netdev()? Could you provide pointers
> for docs and examples to correct PCI network device remove interface
> implementation? 

free_netdev can only be called if you're sure you don't reference your
netdevice anymore.  Most notably that means you need to call free_irq
first.

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