arch/arm/src/stm32h5/stm32_serial.c: Fixed compiler warning

daniel-geotab · xiaoxiang781216 · commit c205505ca962 · 2026-04-17T12:42:12.000+08:00
Added missing #ifdef to avoid compiler warning when DMA is not used.

Signed-off-by: daniellizewski &lt;daniellizewski@geotab.com&gt;
diff --git a/arch/arm/src/stm32h5/stm32_serial.c b/arch/arm/src/stm32h5/stm32_serial.c
@@ -3745,6 +3745,7 @@ static bool stm32serial_txready(struct uart_dev_s *dev)
  *
  ****************************************************************************/
 
+#ifdef SERIAL_HAVE_DMA
 static void stm32serial_dmarxcallback(DMA_HANDLE handle,
                                       uint8_t status,
                                       void *arg)
@@ -3779,6 +3780,7 @@ static void stm32serial_dmarxcallback(DMA_HANDLE handle,
                         USART_ICR_ORECF | USART_ICR_NCF | USART_ICR_FECF);
     }
 }
+#endif
 
 /****************************************************************************
  * Name: stm32serial_pmnotify

Original file line number	Diff line number	Diff line change
`@@ -3745,6 +3745,7 @@ static bool stm32serial_txready(struct uart_dev_s *dev)`
`3745`	`3745`	`*`
`3746`	`3746`	`****************************************************************************/`
`3747`	`3747`
	`3748`	`+#ifdef SERIAL_HAVE_DMA`
`3748`	`3749`	`static void stm32serial_dmarxcallback(DMA_HANDLE handle,`
`3749`	`3750`	`uint8_t status,`
`3750`	`3751`	`void *arg)`
`@@ -3779,6 +3780,7 @@ static void stm32serial_dmarxcallback(DMA_HANDLE handle,`
`3779`	`3780`	`USART_ICR_ORECF \| USART_ICR_NCF \| USART_ICR_FECF);`
`3780`	`3781`	`}`
`3781`	`3782`	`}`
	`3783`	`+#endif`
`3782`	`3784`
`3783`	`3785`	`/****************************************************************************`
`3784`	`3786`	`* Name: stm32serial_pmnotify`