NuttX F7 QSPI patches

qspi-2.patch

From 8217059476dc5f23be155d6021427ba3000620cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joa=CC=83o=20Matos?= <joao@tritao.eu>
Date: Thu, 9 May 2019 15:22:25 +0100
Subject: [PATCH] Do not wait for transfer complete flag for non-data commands
 in STM32 F7 QSPI.

---
 arch/arm/src/stm32f7/stm32_qspi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/arm/src/stm32f7/stm32_qspi.c b/arch/arm/src/stm32f7/stm32_qspi.c
index 63ababa134..b9a8cc270a 100644
--- a/arch/arm/src/stm32f7/stm32_qspi.c
+++ b/arch/arm/src/stm32f7/stm32_qspi.c
@@ -2100,15 +2100,16 @@ static int qspi_command(struct qspi_dev_s *dev,
         }
 
       MEMORY_SYNC();
+
+      /* Wait for Transfer complete */
+      qspi_waitstatusflags(priv, QSPI_SR_TCF, 1);
     }
   else
     {
       ret = OK;
     }
 
-  /* Wait for Transfer complete, and not busy */
-
-  qspi_waitstatusflags(priv, QSPI_SR_TCF, 1);
+  /* Wait for not busy */
   qspi_waitstatusflags(priv, QSPI_SR_BUSY, 0);
 
 #endif

qspi.patch

From 94df5d863aa6be6e761ea8c0e411a719fc2e1ab8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joa=CC=83o=20Matos?= <joao@tritao.eu>
Date: Wed, 29 May 2019 19:18:35 +0100
Subject: [PATCH] Do not check memory alignment for QSPI memory buffers in
 polling mode.

As far as I can tell, this is only necessary with DMA and causes asserts when dealing with SMART FS wear leveling buffer.
---
 arch/arm/src/stm32f7/stm32_qspi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/src/stm32f7/stm32_qspi.c b/arch/arm/src/stm32f7/stm32_qspi.c
index b9a8cc270a..48793e8f87 100644
--- a/arch/arm/src/stm32f7/stm32_qspi.c
+++ b/arch/arm/src/stm32f7/stm32_qspi.c
@@ -2285,7 +2285,6 @@ static int qspi_memory(struct qspi_dev_s *dev,
   /* Transfer data */
 
   DEBUGASSERT(meminfo->buffer != NULL && meminfo->buflen > 0);
-  DEBUGASSERT(IS_ALIGNED(meminfo->buffer));
 
   if (QSPIMEM_ISWRITE(meminfo->flags))
     {