UART_CAP_RPM
} else if (p->capabilities & UART_CAP_RPM) {
if (dma->tx_err || p->capabilities & UART_CAP_RPM) {
up.capabilities |= UART_CAP_RPM;
up->capabilities |= UART_CAP_RPM;
!(up->capabilities & UART_CAP_RPM))
!(up->capabilities & UART_CAP_RPM))
if (!(p->capabilities & UART_CAP_RPM))
if (!(p->capabilities & UART_CAP_RPM))
if (!(p->capabilities & UART_CAP_RPM))
if (!(p->capabilities & UART_CAP_RPM))