From fb6a6acbff81a98e37b86a0dc3370d4076bb356c Mon Sep 17 00:00:00 2001
From: Okarss <104319900+Okarss@users.noreply.github.com>
Date: Fri, 14 Jun 2024 18:39:48 +0300
Subject: [PATCH] Revert the DSB because of RISC-V

---
 src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
index b5b89c5772..4e31c99fa2 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
@@ -216,19 +216,19 @@ void dcd_init(uint8_t rhport)
    * Here, the RM is followed. */
 
   for (volatile uint32_t i = 0; i < 200; i++) { // should be a few us
-    __DSB();
+    asm("NOP");
   }
   // Perform USB peripheral reset
   USB->CNTR = USB_CNTR_FRES | USB_CNTR_PDWN;
   for (volatile uint32_t i = 0; i < 200; i++) { // should be a few us
-    __DSB();
+    asm("NOP");
   }
 
   USB->CNTR &= ~USB_CNTR_PDWN;
 
   // Wait startup time, for F042 and F070, this is <= 1 us.
   for (volatile uint32_t i = 0; i < 200; i++) { // should be a few us
-    __DSB();
+    asm("NOP");
   }
   USB->CNTR = 0; // Enable USB