From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
Hardware default value is 0x11 and its wrong.
Set [22:21] to zero for primary 20Mhz BW mode.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/rtw8822c.c | 1 +
drivers/net/wireless/realtek/rtw88/rtw8822c.h | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index 975afc7..b2bc362 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -852,6 +852,7 @@ static int rtw8822c_mac_init(struct rtw_dev *rtwdev)
rtw_write8(rtwdev, REG_FAST_EDCA_BEBK_SETTING + 2, FAST_EDCA_BK_TH);
/* close BA parser */
rtw_write8_clr(rtwdev, REG_LIFETIME_EN, BIT_BA_PARSER_EN);
+ rtw_write32_clr(rtwdev, REG_RRSR, BITS_RRSR_RSC);
/* EDCA configuration */
rtw_write32(rtwdev, REG_EDCA_VO_PARAM, WLAN_EDCA_VO_PARAM);
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
index 6a64640..74396ad 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
@@ -123,6 +123,8 @@ struct rtw8822c_efuse {
#define REG_ANAPARLDO_POW_MAC 0x0029
#define BIT_LDOE25_PON BIT(0)
+#define REG_RRSR 0x0440
+#define BITS_RRSR_RSC (BIT(21) | BIT(22))
#define REG_TXDFIR0 0x808
#define REG_DFIRBW 0x810
--
2.7.4
