From 62e66cdda39d3689c5884bd883621f5fb7553117 Mon Sep 17 00:00:00 2001
From: Adam Rizkalla <adam@saronic.com>
Date: Thu, 17 Aug 2023 19:16:03 -0500
Subject: [PATCH] stm32l4: set pwren in rcc regardless of clock source

---
 embassy-stm32/src/rcc/l4.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/embassy-stm32/src/rcc/l4.rs b/embassy-stm32/src/rcc/l4.rs
index b2828e58e..b34b8caab 100644
--- a/embassy-stm32/src/rcc/l4.rs
+++ b/embassy-stm32/src/rcc/l4.rs
@@ -410,10 +410,11 @@ pub(crate) unsafe fn init(config: Config) {
         while RCC.cfgr().read().sws() != Sw::MSI {}
     }
 
+    RCC.apb1enr1().modify(|w| w.set_pwren(true));
+
     match config.rtc_mux {
         RtcClockSource::LSE32 => {
             // 1. Unlock the backup domain
-            RCC.apb1enr1().modify(|w| w.set_pwren(true));
             PWR.cr1().modify(|w| w.set_dbp(true));
 
             // 2. Setup the LSE