Pull NuttX up to the 6.24 release.

Merge branch 'nuttx-merge-5447'

1 files changed, 23 insertions, 3 deletions

diff --git a/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c b/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c
index 461d500ad..94772b693 100644
--- a/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c
+++ b/nuttx/arch/arm/src/stm32/stm32_otgfsdev.c
@@ -3651,10 +3651,14 @@ static int stm32_epout_configure(FAR struct stm32_ep_s *privep, uint8_t eptype,
   regval  = stm32_getreg(regaddr);
   if ((regval & OTGFS_DOEPCTL_USBAEP) == 0)
     {
-      regval &= ~(OTGFS_DOEPCTL_MPSIZ_MASK | OTGFS_DIEPCTL_EPTYP_MASK | OTGFS_DIEPCTL_TXFNUM_MASK);
+      if (regval & OTGFS_DOEPCTL_NAKSTS)
+        {
+          regval |= OTGFS_DOEPCTL_CNAK;
+        }
+      
+      regval &= ~(OTGFS_DOEPCTL_MPSIZ_MASK | OTGFS_DOEPCTL_EPTYP_MASK);
       regval |= mpsiz;
       regval |= (eptype << OTGFS_DOEPCTL_EPTYP_SHIFT);
-      regval |= (eptype << OTGFS_DIEPCTL_TXFNUM_SHIFT);
       regval |= (OTGFS_DOEPCTL_SD0PID | OTGFS_DOEPCTL_USBAEP);
       stm32_putreg(regval, regaddr);
 
@@ -3743,6 +3747,11 @@ static int stm32_epin_configure(FAR struct stm32_ep_s *privep, uint8_t eptype,
   regval  = stm32_getreg(regaddr);
   if ((regval & OTGFS_DIEPCTL_USBAEP) == 0)
     {
+      if (regval & OTGFS_DIEPCTL_NAKSTS)
+        {
+          regval |= OTGFS_DIEPCTL_CNAK;
+        }
+      
       regval &= ~(OTGFS_DIEPCTL_MPSIZ_MASK | OTGFS_DIEPCTL_EPTYP_MASK | OTGFS_DIEPCTL_TXFNUM_MASK);
       regval |= mpsiz;
       regval |= (eptype << OTGFS_DIEPCTL_EPTYP_SHIFT);
@@ -3900,7 +3909,7 @@ static void stm32_epout_disable(FAR struct stm32_ep_s *privep)
  * Name: stm32_epin_disable
  *
  * Description:
- *   Diable an IN endpoint will no longer be used
+ *   Disable an IN endpoint when it will no longer be used
  *
  *******************************************************************************/
 
@@ -3912,6 +3921,17 @@ static void stm32_epin_disable(FAR struct stm32_ep_s *privep)
 
   usbtrace(TRACE_EPDISABLE, privep->epphy);
 
+  /* After USB reset, the endpoint will already be deactivated by the
+   * hardware. Trying to disable again will just hang in the wait.
+   */
+
+  regaddr = STM32_OTGFS_DIEPCTL(privep->epphy);
+  regval  = stm32_getreg(regaddr);
+  if ((regval & OTGFS_DIEPCTL_USBAEP) == 0)
+    {
+      return;
+    }
+
   /* Make sure that there is no pending IPEPNE interrupt (because we are
    * to poll this bit below).
    */