[ros-kernel] Atapi device detection bug

Filip Navara xnavara at volny.cz
Fri Sep 17 18:15:24 CEST 2004


Eric Kohl wrote:

>I am also concerned about the use of a hardware reset of the ATA hardware.
>According to the ATA specification it can take up to 30.5 seconds until an
>ATA master plus slave device complete the hardware reset. The hardware
>should also be issued by the BIOS so the devices are in a known state when
>the atapi driver gains control of the devices. So I don't see any need for
>hardware reset.
>  
>
It's not hardware reset, it's only software reset that takes 
considerable lower amount of time (section 9.2 of T13/1410D revision 3a 
IIRC).

As for the patch, it works correctly on my machine.

- Filip


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