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esp32_ummap: write back spiram cache before calling Cache_Flush

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This seems to fix esp32_readdata_encrypted() with spiram "buffer".

Note: I'm not sure if this is the right fix or not.
I couldn't find any documentation about Cache_Flush.
This commit is contained in:
YAMAMOTO Takashi
2021-03-02 12:50:19 +09:00
committed by Abdelatif Guettouche
parent 367ec2068b
commit c230edea29
1 changed files with 3 additions and 0 deletions
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arch/xtensa/src/esp32/esp32_spiflash.c
+3
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@@ -1419,6 +1419,9 @@ static void IRAM_ATTR esp32_ummap(FAR struct esp32_spiflash_s *priv,
#endif #endif
} }
#ifdef CONFIG_ESP32_SPIRAM
esp_spiram_writeback_cache();
#endif
Cache_Flush(0); Cache_Flush(0);
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
Cache_Flush(1); Cache_Flush(1);