Re: Re: IDE LED support on powerpc

[Sven Luther <sven.luther@wanadoo.fr>]

On Fri, Nov 11, 2005 at 10:00:06AM +0100, Eugen Dedu wrote:
> >>I'm just curious about why powerpc kernel is not compiled with IDE LED
> 
> About a year ago I remember having tried to make BLINK_IDE a sysctl option.
> 
> It was very simple to replace the compilation option (#define) with a 
> variable.  The problem I had (and I didn't succeed to solve it) is how 
> to link this variable to a sysctl option :o(  Also, I asked myself about 
> how can I avoid the following race condition: when someone modify the 
> sysctl option, the led is on state on.

Can you not just modify it when the led is off ? 

> Note that I do not know the kernel internals, this would have been my 
> first kernel hack...

Do you still have that code ? What about the version using a kernel command
line parameter ? 

Friendly,

Sven Luther