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| author | Larry Finger <Larry.Finger@lwfinger.net> | 2018-02-22 14:28:59 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-28 18:24:42 +0200 |
| commit | 1a697e6ef91bf2fa82065bc6624289bea8edf01f (patch) | |
| tree | b008f923eacfbfcf8289c7f8cd940feeea0b6d91 | |
| parent | 7964c00a4a7e9bab9c3094bbeec2572ebfeb76ee (diff) | |
| download | linux-exynos-1a697e6ef91bf2fa82065bc6624289bea8edf01f.tar.gz linux-exynos-1a697e6ef91bf2fa82065bc6624289bea8edf01f.tar.bz2 linux-exynos-1a697e6ef91bf2fa82065bc6624289bea8edf01f.zip | |
rtlwifi: rtl8723be: Fix loss of signal
commit 78dc897b7ee67205423dbbc6b56be49fb18d15b5 upstream.
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.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Tested-by: James Cameron <quozl@laptop.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index 4d47b97adfed..0034ebd3e5ba 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -1123,7 +1123,8 @@ 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 |