xiaoxiang781216 commented on a change in pull request #4702:
URL: https://github.com/apache/incubator-nuttx/pull/4702#discussion_r733860617
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File path: arch/arm/src/stm32/stm32_mpuinit.h
##########
@@ -72,4 +72,19 @@ void stm32_mpu_uheap(uintptr_t start, size_t size);
# define stm32_mpu_uheap(start,size)
#endif
+/****************************************************************************
+ * Name: stm32_mpu_early_reset
+ *
+ * Description:
+ * Resets the MPU to disabled.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_ARM_MPU_EARLY_RESET
Review comment:
why not define a general mpu_early_reset to mpu_reset or empty base on
CONFIG_ARM_MPU_EARLY_RESET directly?
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File path: arch/arm/src/stm32/stm32_mpuinit.c
##########
@@ -78,6 +78,12 @@ void stm32_mpuinitialize(void)
mpu_showtype();
+#if defined(CONFIG_MPU_RESET)
+ /* Reset MPU if enabled */
+
+ mpu_reset();
Review comment:
why not define an empty mpu_reset in mpu.h when CONFIG_MPU_RESET equals
n?
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