From 8a57349587bbbcc10cd06bdf7c66feb1bf1ae1bb Mon Sep 17 00:00:00 2001
From: LeonardHerbst <leonard.herbst@tu-dresden.de>
Date: Tue, 15 Jul 2025 15:21:14 +0200
Subject: [PATCH] driver/motor_driver: fix failing motor initialization

`pwm_init` returns the actual frequency the pwm is set to, not the exact frequency requested.
---
 drivers/motor_driver/motor_driver.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/motor_driver/motor_driver.c b/drivers/motor_driver/motor_driver.c
index 3b837d33f6..0198c18412 100644
--- a/drivers/motor_driver/motor_driver.c
+++ b/drivers/motor_driver/motor_driver.c
@@ -43,8 +43,8 @@ int motor_driver_init(motor_driver_t motor_driver)
     uint32_t freq = motor_driver_conf->pwm_frequency;
     uint16_t resol = motor_driver_conf->pwm_resolution;
 
-    uint32_t ret_pwm = pwm_init(pwm_dev, mode, freq, resol);
-    if (ret_pwm != freq) {
+    uint32_t pwm_freq = pwm_init(pwm_dev, mode, freq, resol);
+    if (pwm_freq == 0) {
         err = EINVAL;
         LOG_ERROR("pwm_init failed\n");
         goto motor_init_err;