UART_HAS_EFR2
if (priv->habit & UART_HAS_EFR2)
.habit = UART_HAS_EFR2 | UART_HAS_RHR_IT_DIS |
if (up && up->dma && up->dma->rxchan && !(priv->habit & UART_HAS_EFR2)) {
if (up->dma && !(priv->habit & UART_HAS_EFR2)) {
if (priv->habit & UART_HAS_EFR2)
if (!(priv->habit & UART_HAS_EFR2))