On 15/08/14 04:51, Tian, Feng wrote: > Hi, Reza > > This is a reason to use IdeInit.ChannelCount rather than the constant value. > Some platforms may only expose one ide channel to external. By this way, we > can skip unnecessary enumeration time according to platform policy. > > Do you see any real impact with original code? On a sidenote ahcimode uses the CAP register directly to skip unnecessary enumeration instead of IdeInit.ChannelCount. I think it makes sense too, unnecessary enumeration can be much larger for ahci, but for ide it would be maximum 1.
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