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Merge pull request #8518 from kYc0o/stm32l1_temp_fix

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cpu/cortexm: add __NOP(); after __WFI(); for stm32l152 to avoid hardfault
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Alexandre Abadie 2018-02-12 16:16:09 +01:00 committed by GitHub
commit f5da8c2cf5
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4
cpu/cortexm_common/include/cpu.h
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@ -107,6 +107,10 @@ static inline void cortexm_sleep(int deep)
unsigned state = irq_disable();
__DSB();
__WFI();
#if defined(CPU_MODEL_STM32L152RE)
/* STM32L152RE crashes without this __NOP(). See #8518. */
__NOP();
#endif
irq_restore(state);
}