staging: r8822be: Fix RTL8822be can't find any wireless AP
authorPing-Ke Shih <pkshih@realtek.com>
Fri, 6 Jul 2018 05:44:35 +0000 (13:44 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Jul 2018 15:44:35 +0000 (17:44 +0200)
commitd59d2f9995d28974877750f429e821324bd603c7
tree825475c94dc7e0632374b6c094bb440c1fac6d4c
parent920c92448839bd4f8eb87a92b08cad56d449caff
staging: r8822be: Fix RTL8822be can't find any wireless AP

RTL8822be can't bring up properly on ASUS X530UN, and dmesg says:
[ 8.591333] r8822be: module is from the staging directory, the quality
is unknown, you have been warned.
[ 8.593122] r8822be 0000:02:00.0: enabling device (0000 -> 0003)
[ 8.669163] r8822be: Using firmware rtlwifi/rtl8822befw.bin
[ 9.289939] r8822be: rtlwifi: wireless switch is on
[ 10.056426] r8822be 0000:02:00.0 wlp2s0: renamed from wlan0
...
[ 11.952534] r8822be: halmac_init_hal failed
[ 11.955933] r8822be: halmac_init_hal failed
[ 11.956227] r8822be: halmac_init_hal failed
[ 22.007942] r8822be: halmac_init_hal failed

Jian-Hong reported it works if turn off ASPM with module parameter aspm=0.
In order to fix this problem kindly, this commit don't turn off aspm but
enlarge ASPM L1 latency to 7.

Reported-by: Jian-Hong Pan <jian-hong@endlessm.com>
Tested-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rtlwifi/rtl8822be/hw.c
drivers/staging/rtlwifi/wifi.h