Subject: Re: Error LED on Soekris net4501
To: Quentin Garnier <>
From: Jason Thorpe <>
List: tech-kern
Date: 12/01/2003 09:00:40
On Dec 1, 2003, at 12:08 AM, Quentin Garnier wrote:

> I have a net4501 at home and I wrote a little driver for it.  I plan on
> committing at least parts of the attached patch (not necessarily the
> way it is done), but I'd like a bit of input before.
> The patch introduces a new option, CPU_SOEKRIS, that affects the Elan
> SC520 chipset driver.  It adds a new character device that allows 
> access
> to the MMCR and to control the LED.  Then the MMCR can be just mmap'ed,
> there is actually nothing specific to the net4501 on that part.

I don't see the need to have a CPU_SOEKRIS option.  All that does is 
determine which of the GPIO pins controls the LED, right?

I think it would be much better if you defined a generic GPIO control 
interface.  It looks like what you have is a good start for that.

         -- Jason R. Thorpe <>