From 524e171965426275eb0436f1210afb121b32ab00 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Mon, 31 Jan 2022 13:17:47 +0000
Subject: [PATCH] Small regression.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15425 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
---
 os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c b/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
index 1b5d1c9f6..ce5dbd96a 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
@@ -231,10 +231,11 @@ static uint8_t sd_out_buflp1[STM32_SERIAL_LPUART1_OUT_BUF_SIZE];
  */
 static void usart_init(SerialDriver *sdp,
                        const SerialConfig *config) {
-  uint32_t brr;
+  uint32_t brr, clock;
   USART_TypeDef *u = sdp->usart;
 
   /* Baud rate setting.*/
+  clock = sdp->clock;
 #if STM32_SERIAL_USE_LPUART1
   if (sdp == &LPSD1) {
     osalDbgAssert((clock >= config->speed * 3U) &&
@@ -248,8 +249,7 @@ static void usart_init(SerialDriver *sdp,
   else
 #endif
   {
-    brr = (uint32_t)((sdp->clock + config->speed / 2) /
-                     config->speed);
+    brr = (uint32_t)((clock + config->speed / 2) / config->speed);
 
     /* Correcting BRR value when oversampling by 8 instead of 16.
        Fraction is still 4 bits wide, but only lower 3 bits used.