BMU_EOF
control |= BMU_EOF | BMU_IRQ_EOF;
tf->control |= BMU_EOF | BMU_IRQ_EOF;
if (td->control & BMU_EOF)
if ((control & (BMU_EOF|BMU_STF)) != (BMU_STF|BMU_EOF))
if (control & BMU_EOF) {
} while (!(rbctrl & BMU_EOF)) ;
} while (!(tbctrl & BMU_EOF)) ;