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-rw-r--r--esp8266/scripts/flashbdev.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/esp8266/scripts/flashbdev.py b/esp8266/scripts/flashbdev.py
index 09223d8e7e..f1e85d923b 100644
--- a/esp8266/scripts/flashbdev.py
+++ b/esp8266/scripts/flashbdev.py
@@ -26,4 +26,7 @@ class FlashBdev:
if op == 5: # BP_IOCTL_SEC_SIZE
return self.SEC_SIZE
-bdev = FlashBdev()
+if esp.flash_size() < 1024*1024:
+ bdev = None
+else:
+ bdev = FlashBdev()