Commit b8b8b163 authored Sep 20, 2017 by Larry Finger Committed by Kalle Valo Oct 02, 2017

rtlwifi: rtl8821ae: Fix connection lost problem



In commit 40b368af ("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: 40b368af ("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>

parent 3e747fa1

drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}