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rtlwifi: rtl8821ae: Fix connection lost problem

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In commit 40b368af4b ("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: 40b368af4b ("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>
This commit is contained in:
Larry Finger 2017-09-20 16:15:05 -05:00 committed by Kalle Valo
parent 3e747fa182
commit b8b8b16352
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
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@ -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;
}