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fc3d8e1138
Many bits in the CMD register are supposed to be strictly read-only. We should not be deleting them on every write. As a side-effect: pay explicit attention to when a guest marks off the FIS Receive or Start bits, and disable the status bits ourselves, instead of letting them implicitly fall off. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1426283454-15590-3-git-send-email-jsnow@redhat.com