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fix(lightsleep): suspend cache before goto sleep to avoid cache load wrong data after spi io isolation

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This commit is contained in:
wuzhenghui
2023-07-31 15:24:25 +08:00
parent 1283619767
commit 2236c2fd34
1 changed files with 5 additions and 0 deletions
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5
components/esp_hw_support/sleep_modes.c
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@ -31,6 +31,7 @@
#include "soc/soc_caps.h"
#include "regi2c_ctrl.h" //For `REGI2C_ANA_CALI_PD_WORKAROUND`, temp
#include "hal/cache_hal.h"
#include "hal/wdt_hal.h"
#include "hal/rtc_hal.h"
#include "hal/uart_hal.h"
@ -569,7 +570,11 @@ static uint32_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags)
#endif
#endif // SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY
} else {
/* Wait cache idle in cache suspend to avoid cache load wrong data after spi io isolation */
cache_hal_suspend(CACHE_TYPE_ALL);
result = call_rtc_sleep_start(reject_triggers, config.lslp_mem_inf_fpu);
/* Resume cache for continue running */
cache_hal_resume(CACHE_TYPE_ALL);
}
#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND