diff --git a/arch/arm/src/efm32/efm32_leserial.c b/arch/arm/src/efm32/efm32_leserial.c
index 560591923175b..be4af95dee476 100644
--- a/arch/arm/src/efm32/efm32_leserial.c
+++ b/arch/arm/src/efm32/efm32_leserial.c
@@ -326,7 +326,7 @@ static void efm32_restoreuartint(struct efm32_leuart_s *priv, uint32_t ien)
    */
 
   flags = spin_lock_irqsave(&priv->lock);
-  efm32_restoreuartint_nolock(priv, len);
+  efm32_restoreuartint_nolock(priv, ien);
   spin_unlock_irqrestore(&priv->lock, flags);
 }
 
diff --git a/arch/arm/src/gd32f4/gd32f4xx_serial.c b/arch/arm/src/gd32f4/gd32f4xx_serial.c
index ad903b6c7a59d..bdd5a822f66f2 100644
--- a/arch/arm/src/gd32f4/gd32f4xx_serial.c
+++ b/arch/arm/src/gd32f4/gd32f4xx_serial.c
@@ -131,7 +131,6 @@ struct up_dev_s
   uint8_t         stop_2bits;    /* True: Configure with 2 stop bits instead of 1 */
   uint32_t        tx_gpio;       /* USART TX GPIO pin configuration */
   uint32_t        rx_gpio;       /* USART RX GPIO pin configuration */
-  spinlock_t      lock;          /* Spinlock */
 
 #  ifdef CONFIG_SERIAL_IFLOWCONTROL
   uint32_t        rts_gpio;      /* UART RTS GPIO pin configuration */
@@ -171,6 +170,7 @@ struct up_dev_s
 
   uint32_t        ie;            /* USART enabled interrupts */
   uint16_t        sr;            /* Save USART status */
+  spinlock_t      lock;          /* Spinlock */
 
   /* TX DMA state */
 
diff --git a/arch/arm/src/imxrt/imxrt_edma.c b/arch/arm/src/imxrt/imxrt_edma.c
index 1a839ce196c83..b1413dece136a 100644
--- a/arch/arm/src/imxrt/imxrt_edma.c
+++ b/arch/arm/src/imxrt/imxrt_edma.c
@@ -137,6 +137,7 @@ struct imxrt_edma_s
   /* These mutex protect the DMA channel and descriptor tables */
 
   mutex_t chlock;                 /* Protects channel table */
+  spinlock_t lock;
 #if CONFIG_IMXRT_EDMA_NTCD > 0
   sem_t dsem;                     /* Supports wait for free descriptors */
 #endif
@@ -1207,7 +1208,6 @@ int imxrt_dmach_start(DMACH_HANDLE handle, edma_callback_t callback,
 void imxrt_dmach_stop(DMACH_HANDLE handle)
 {
   struct imxrt_dmach_s *dmach = (struct imxrt_dmach_s *)handle;
-  irqstate_t flags;
 
   dmainfo("dmach: %p\n", dmach);
   DEBUGASSERT(dmach != NULL);
diff --git a/arch/arm/src/stm32u5/stm32_serial.c b/arch/arm/src/stm32u5/stm32_serial.c
index 5d009a3c3b0c9..810e4d1844cd4 100644
--- a/arch/arm/src/stm32u5/stm32_serial.c
+++ b/arch/arm/src/stm32u5/stm32_serial.c
@@ -561,7 +561,7 @@ static struct stm32_serial_s g_usart1priv =
   .rs485_dir_polarity = true,
 #    endif
 #  endif
-  .lock =             = SP_UNLOCKED,
+  .lock               = SP_UNLOCKED,
 };
 #endif