From 05d15a2eedc3970eefb87f9278e24efe5c6862be Mon Sep 17 00:00:00 2001 From: wuzhenghui Date: Tue, 4 Jul 2023 12:10:50 +0800 Subject: [PATCH] sleep: enrich top_domain_pd_allowed function description --- components/esp_hw_support/sleep_modes.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c index 1cb4dd4215..e7950d5e5d 100644 --- a/components/esp_hw_support/sleep_modes.c +++ b/components/esp_hw_support/sleep_modes.c @@ -1646,7 +1646,8 @@ esp_err_t esp_sleep_pd_config(esp_sleep_pd_domain_t domain, esp_sleep_pd_option_ /** * The modules in the CPU and modem power domains still depend on the top power domain. * To be safe, the CPU and Modem power domains must also be powered off and saved when - * the TOP is powered off. + * the TOP is powered off. If not power down XTAL, power down TOP is meaningless, and + * the XTAL clock control of some chips(esp32c6/esp32h2) depends on the top domain. */ #if SOC_PM_SUPPORT_TOP_PD static inline bool top_domain_pd_allowed(void) {