Reducing kernel ide driver probing time.

[Eric W. Biederman]

hcyun at etri.re.kr writes:

> Hello 
> 
> I found that ide driver take too much time for probing unnecessary drives.
> (drivers/ide-probe.c) 
> it probe from hda to hdl as you can see below and it takes about 3 ~ 4
> seconds. 
> However common main board have only 2 ide controller so probing over hde is
> unnecessary. 
> My solution is redefine MAX_HWIF as 2 (originally 6) so I can reduce
> probing time down to 1 second. 
> Is there any other way which can control this such as using kernel
> parameter?

iden=noprobe.

Eric