In commit c713fb071edc ("rtlwifi: rtl8821ae: Fix connection lost problem
correctly") a problem in rtl8821ae that caused loss of signal was fixed.
That same problem has now been reported for rtl8723be. Accordingly,
the ASPM L1 latency has been increased from 0 to 7 to fix the instability.

Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
Cc: Stable <sta...@vger.kernel.org>
---
Kalle,

This patch should be sent to 4.16.

Thanks,
Larry
---
 drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c 
b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
index f9ccd13c79f9..e7bbbc95cdb1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
@@ -1125,7 +1125,8 @@ static void _rtl8723be_enable_aspm_back_door(struct 
ieee80211_hw *hw)
 
        /* Configuration Space offset 0x70f BIT7 is used to control L0S */
        tmp8 = _rtl8723be_dbi_read(rtlpriv, 0x70f);
-       _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7));
+       _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7) |
+                            ASPM_L1_LATENCY << 3);
 
        /* Configuration Space offset 0x719 Bit3 is for L1
         * BIT4 is for clock request
-- 
2.16.2

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