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| author | Larry Finger <Larry.Finger@lwfinger.net> | 2017-09-20 23:15:05 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2017-10-02 15:03:38 +0200 |
| commit | b8b8b16352cd90c6083033fd4487f04fae935c18 (patch) | |
| tree | d4ea748697f3b00a6c64b2cff94d8ab859f81873 /drivers/net/wireless | |
| parent | Merge ath-current from ath.git (diff) | |
| download | linux-b8b8b16352cd90c6083033fd4487f04fae935c18.tar.xz linux-b8b8b16352cd90c6083033fd4487f04fae935c18.zip | |
rtlwifi: rtl8821ae: Fix connection lost problem
In commit 40b368af4b75 ("rtlwifi: Fix alignment issues"), the read
of REG_DBI_READ was changed from 16 to 8 bits. For unknown reasonsi
this change results in reduced stability for the wireless connection.
This regression was located using bisection.
Fixes: 40b368af4b75 ("rtlwifi: Fix alignment issues")
Reported-and-tested-by: James Cameron <quozl@laptop.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # 4.11+
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c index 4f73012978e9..1d431d4bf6d2 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c @@ -1122,7 +1122,7 @@ static u8 _rtl8821ae_dbi_read(struct rtl_priv *rtlpriv, u16 addr) } if (0 == tmp) { read_addr = REG_DBI_RDATA + addr % 4; - ret = rtl_read_byte(rtlpriv, read_addr); + ret = rtl_read_word(rtlpriv, read_addr); } return ret; } |