From de9b283abee509487d21452f4acfbc6f91559d52 Mon Sep 17 00:00:00 2001
From: rogeryou <rogeryou@mxic.com.cn>
Date: Thu, 7 May 2020 16:10:49 +0800
Subject: [PATCH] modify the div value when calling octo controller. For ST
 OSPI controller driver(stm32l4xx_hal_ospi.c), the frequency it has be
 subtracted 1, so "div = div - 1;" should be removed.

---
 targets/TARGET_STM/qspi_api.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/targets/TARGET_STM/qspi_api.c b/targets/TARGET_STM/qspi_api.c
index 6dc1bcc00a..fe8eb23205 100644
--- a/targets/TARGET_STM/qspi_api.c
+++ b/targets/TARGET_STM/qspi_api.c
@@ -712,10 +712,6 @@ qspi_status_t qspi_frequency(qspi_t *obj, int hz)
     int div = HAL_RCC_GetHCLKFreq() / hz;
     if (div > 255) {
         div = 255;
-    } else {
-        if ((HAL_RCC_GetHCLKFreq() % hz) == 0) {
-            div = div - 1;
-        }
     }
 
     obj->handle.Init.ClockPrescaler = div;