From 40efc36849901ef6d2e4f2bb62eda1fa3089dfbf Mon Sep 17 00:00:00 2001
From: XiaXiaotian <xiaxiaotian@espressif.com>
Date: Wed, 16 May 2018 18:50:28 +0800
Subject: [PATCH] Fix a few WiFi bugs

1. remove rc when ap not found

   closes issue: https://github.com/espressif/esp-idf/issues/1797

2. allocate mimo packet to internal memory

3. use FRC2 timer instead of WDEV_NOW() for modem sleep to calculate
   TBTT time.

   It fixes the bug that TBTT will be incorrect if beacon is lost.
---
 components/esp32/lib | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/esp32/lib b/components/esp32/lib
index c581fa9be..618fa4eb5 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit c581fa9beda86d1a2ef3d05fd4fcb2fb04895c13
+Subproject commit 618fa4eb596c07521d9cdcc1ba019fe5cd42cec6