ATA_EHI_HOTPLUGGED
ehc->i.flags &= ~ATA_EHI_HOTPLUGGED;
sehc->i.flags &= ~ATA_EHI_HOTPLUGGED;
if (ehc->i.flags & ATA_EHI_HOTPLUGGED)
ehi->flags |= ATA_EHI_HOTPLUGGED;