From c5db5025ef1adc5185b36ed98536c4800acec1b4 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sat, 24 Apr 2021 05:11:42 +0000
Subject: [PATCH] Fixed bug #1153.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_20.3.x@14276 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
---
 os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c | 3 +++
 readme.txt                                      | 1 +
 2 files changed, 4 insertions(+)

diff --git a/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c b/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c
index 64f2522f1..bf3cb967b 100644
--- a/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c
+++ b/os/hal/ports/STM32/LLD/QUADSPIv1/hal_wspi_lld.c
@@ -99,6 +99,8 @@ static void wspi_lld_serve_interrupt(WSPIDriver *wspip) {
      transfer complete.*/
   dmaStreamClearInterrupt(wspip->dma);
 
+#if defined(STM32L471xx) || defined(STM32L475xx) ||                         \
+    defined(STM32L476xx) || defined(STM32L486xx)
   /* Handling of errata: Extra data written in the FIFO at the end of a
      read transfer.*/
   if (wspip->state == WSPI_RECEIVE) {
@@ -106,6 +108,7 @@ static void wspi_lld_serve_interrupt(WSPIDriver *wspip) {
       (void) wspip->qspi->DR;
     }
   }
+#endif
 }
 
 /*===========================================================================*/
diff --git a/readme.txt b/readme.txt
index 8fe3174db..ccacaac88 100644
--- a/readme.txt
+++ b/readme.txt
@@ -74,6 +74,7 @@
 *****************************************************************************
 
 *** 20.3.4 ***
+- FIX: Fixed QUADSPI errata fix applied to all platforms (bug #1153).
 - FIX: Fixed (again) LPUART1 support for STM32H7xx (bug #1113).
 - FIX: Fixed wrong behavior in Serial-USB driver (bug #1151).
 - FIX: Fixed L0x2 series DAC not allocated in registry (bug #1150).