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deep sleep: fix regression due to moving ets_update_cpu_frequency into IRAM

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Deep sleep stub may call ets_update_cpu_frequency, which has been moved from ROM to IRAM.
Restore the ROM version in the linker script, call it ets_update_cpu_frequency_rom, use it in the deep sleep stub.
This commit is contained in:
Ivan Grokhotkov
2017-01-11 17:17:13 +08:00
parent d3a0580bef
commit e4811216ff
3 changed files with 14 additions and 2 deletions
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components/esp32/deep_sleep.c
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@@ -91,7 +91,7 @@ void RTC_IRAM_ATTR esp_default_wake_deep_sleep(void) {
#if CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY > 0
// ROM code has not started yet, so we need to set delay factor
// used by ets_delay_us first.
ets_update_cpu_frequency(ets_get_detected_xtal_freq() / 1000000);
ets_update_cpu_frequency_rom(ets_get_detected_xtal_freq() / 1000000);
// This delay is configured in menuconfig, it can be used to give
// the flash chip some time to become ready.
ets_delay_us(CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY);