<p><b>@basilfx</b> commented on this pull request.</p>

<p>I've tested this on the STK3600, SLSTK3401 and SLSTK3402. Works!</p>
<p>Please squash.</p><hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/12278#discussion_r326916818">cpu/efm32/periph/uart.c</a>:</p>
<pre style='color:#555'>> @@ -131,15 +129,16 @@ int uart_init(uart_t dev, uint32_t baudrate, uart_rx_cb_t rx_cb, void *arg)
 
         /* enable receive interrupt */
         LEUART_IntEnable(leuart, LEUART_IEN_RXDATAV);
</pre>
<p>I don't know any disadvantages, so I guess this is OK.</p>

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