linux-kernel - Re: [RFC] New functions to manipulate registers for ethtool

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Message-Id: <20081208180144.3fd4cbaa.mitake@clustcom.com>
Date:	Mon, 8 Dec 2008 18:01:44 +0900
From:	Hitoshi Mitake <mitake@...stcom.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	ktaka@...stcom.com
Subject: Re: [RFC] New functions to manipulate registers for ethtool

On Mon, 08 Dec 2008 00:54:31 -0800 (PST)
David Miller <davem@...emloft.net> wrote:

> From: Hitoshi Mitake <mitake@...stcom.com>
> Date: Mon, 8 Dec 2008 17:12:30 +0900
> 
> > I want to add two new functions to ethtool.
> > 
> > One is for setting driver's registers on MMIO area like
> > --change-eeprom option.
> 
> You can map the registers into userspace using the bus
> level mmap facilities exported to userspace.
> 
> No ethtool support is necessary for this.
> 
> > Another function is for reading driver's register on MMIO.
> 
> Also not necessary, for the same reasons described
> above.

I didn't know that, thanks!
I'll work with my problems with mmap and userspace program.
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