Mark Lord wrote:

Sergei Shtylyov wrote:

quoted

Mark Lord wrote:

..

quoted

quoted

When a drive is in standby, we don't send it anything special to wake 
up.

   Wait, aren't we sending IDLE on resume step 2 -- looking at 
ide-io.cide_start_power_step()?

Sure, for RESUME.

But now for a drive that just happens to have put itself into standby
due to expiration of the standby timer (hdparm -S).

That should have said:

But *not* for a drive ...