Re: [RFC][PATCH] LED Class support for Soekris net48xx

[Chris Boot <bootc@bootc.net>]

Eric Lammerts wrote:
> Chris Boot wrote:
>> I'd love to find a way of detecting a Soekris net48xx device
>  > but there is no DMI or any Soekris-specific PCI devices.
> 
> You could do ugly things like this:
> 
>         int i;
>         char *bios = __va(0xf0000);
> 
>         for(i = 0; i < 0x10000 - 19; i++) {
>                 if(memcmp(bios + i, "Soekris Engineering", 19) == 0) {
>                         printk("soekris string found at 0x%x\n", i);
>                 }
>         }
> 
> The string "net4801" is also in there (although I'm using a 4826).
> 
> If anyone knows a better way, I'd like to know it too.

Hmm, very ugly indeed! Where did you dig those offsets up from? Are they likely 
to work properly in non-Soekris devices? I think just relying on people not 
loading the module when not in the correct hardware is probably the best option 
at the moment...

Chris

-- 
Chris Boot
bootc@bootc.net
http://www.bootc.net/