4.13-stable review patch. If anyone has any objections, please let me know.
------------------ From: Larry Finger <larry.fin...@lwfinger.net> commit b8b8b16352cd90c6083033fd4487f04fae935c18 upstream. 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 <qu...@laptop.org> Signed-off-by: Larry Finger <larry.fin...@lwfinger.net> Cc: Ping-Ke Shih <pks...@realtek.com> Signed-off-by: Kalle Valo <kv...@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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 } 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; }