diff options
| author | Ping-Ke Shih <[email protected]> | 2019-12-20 17:21:47 +0800 |
|---|---|---|
| committer | Kalle Valo <[email protected]> | 2020-01-26 17:38:06 +0200 |
| commit | 73a2d0b83424f7150a1f607470dac67c95b8b2d4 (patch) | |
| tree | 3e2154e234c4a7a3d9efdf19bf51f40322ec6839 | |
| parent | 35a68fa5f96a80797e11b6952a47c5a84939a7bf (diff) | |
rtw88: fix TX secondary channel offset of 40M if current bw is 20M or 40M
TX secondary channel offset is valid only if current bandwidth is 80M,
otherwise leave this value as zero. The wrong value of txsc40 causes
MAC unpredictable behavior.
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Yan-Hsuan Chuang <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 03a82de053ea..cadf0abbe16b 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -16,10 +16,12 @@ void rtw_set_channel_mac(struct rtw_dev *rtwdev, u8 channel, u8 bw, u8 value8; txsc20 = primary_ch_idx; - if (txsc20 == 1 || txsc20 == 3) - txsc40 = 9; - else - txsc40 = 10; + if (bw == RTW_CHANNEL_WIDTH_80) { + if (txsc20 == 1 || txsc20 == 3) + txsc40 = 9; + else + txsc40 = 10; + } rtw_write8(rtwdev, REG_DATA_SC, BIT_TXSC_20M(txsc20) | BIT_TXSC_40M(txsc40)); |