[ltp] libata PATA drivers on ThinkPad T42

[Henrique de Moraes Holschuh]

On Thu, 15 Mar 2007, Martin Steigerwald wrote:
> I had to use "CONFIG_ATA_PIIX" and not "CONFIG_PATA_MPIIX" as

Correct. MPIIX is for something else. PIIX does PATA and SATA. You might
also need PIIX+AHCI on *60 and newer thinkpads (not the T42).

> To get CDROM support out of the box add "atapi_enabled=1" to the kernel 
> boot options. Otherwise do "modprobe sr_mod" later. You need 

This will depend on kernel version, I think atapi_enabled is either already
the default for 2.6.21, or will be the default for 2.6.22.

> CONFIG_BLK_DEV_SR for that to work.

This is true for anything SCSI.  And with the new PATA and SATA support,
everything is SCSI.

> Thats about it. Only think I found is that there is no /dev/cdrom link 
> created anymore, but that might be the case with a "SCSI" cd drive. K3B 
> and KDE itself happily use /dev/scd0.

This is a distro bug.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh