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On 03/10/2014 04:59 PM, Alan Stern wrote:
> Why?  The existing code doesn't have anything like that.

The current sd code doesn't, but the libata code does use the AHCI
staggered spinup feature flag as a hint to only spin up one drive at a
time, so these patches together may defeat that behavior when resuming
from suspend.  That could be a problem on some systems.  Then again,
it may still follow the same code path in libata; I haven't looked at
it closely enough lately to be sure.


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