From 9d70fbf2e1933fd8f02a13ce3d0cd7dc791d1401 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Mon, 15 Jan 2024 14:30:56 +0100
Subject: [PATCH] cpu/sam0_common: SDHC: make use of busy_wait()

---
 cpu/sam0_common/sam0_sdhc/sdhc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpu/sam0_common/sam0_sdhc/sdhc.c b/cpu/sam0_common/sam0_sdhc/sdhc.c
index d851e8a87b..b38eb93c0d 100644
--- a/cpu/sam0_common/sam0_sdhc/sdhc.c
+++ b/cpu/sam0_common/sam0_sdhc/sdhc.c
@@ -48,6 +48,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include "busy_wait.h"
 #include "periph_cpu.h"
 #include "periph/pm.h"
 #include "macros/math.h"
@@ -127,8 +128,7 @@ static void _delay(unsigned us)
     } else if (IS_USED(MODULE_ZTIMER_MSEC)) {
         ztimer_sleep(ZTIMER_MSEC, 1);
     } else {
-        volatile unsigned count = (us * CLOCK_CORECLOCK) / US_PER_SEC;
-        while (--count) {}
+        busy_wait_us(us);
     }
 }