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Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_pwr.h')
-rw-r--r--nuttx/arch/arm/src/stm32/stm32_pwr.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_pwr.h b/nuttx/arch/arm/src/stm32/stm32_pwr.h
index 7559531a0..46efb06a0 100644
--- a/nuttx/arch/arm/src/stm32/stm32_pwr.h
+++ b/nuttx/arch/arm/src/stm32/stm32_pwr.h
@@ -102,7 +102,11 @@ void stm32_pwr_enablebkp(bool writable);
*
************************************************************************************/
+#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
void stm32_pwr_enablebreg(bool regon);
+#else
+# define stm32_pwr_enablebreg(regon)
+#endif
/************************************************************************************
* Name: stm32_pwr_setvos