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

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/11655#discussion_r295356642">cpu/samd5x/cpu.c</a>:</p>
<pre style='color:#555'>>  
     OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(LDR & 0x1F)
-                       | OSCCTRL_DPLLRATIO_LDR((LDR >> 5) - 1);
+                                   | OSCCTRL_DPLLRATIO_LDR((LDR >> 5) - 1);
</pre>
<p>Shouldn't one such loop after the enable be enough?</p>

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