From: Yan-Hsuan Chuang <[email protected]> Driver Could fail to reset counter if rx clock gating is not disabled. So we need to disable rx clock gating before resetting counters. Otherwise counters may increase unexpected.
Signed-off-by: Yan-Hsuan Chuang <[email protected]> --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 4 ++++ drivers/net/wireless/realtek/rtw88/rtw8822c.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index be46a1b..22380b1 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1508,8 +1508,12 @@ static void rtw8822c_false_alarm_statistics(struct rtw_dev *rtwdev) rtw_write32_mask(rtwdev, REG_CCANRX, BIT_CCK_FA_RST, 2); rtw_write32_mask(rtwdev, REG_CCANRX, BIT_OFDM_FA_RST, 0); rtw_write32_mask(rtwdev, REG_CCANRX, BIT_OFDM_FA_RST, 2); + + /* disable rx clk gating to reset counters */ + rtw_write32_clr(rtwdev, REG_RX_BREAK, BIT_COM_RX_GCK_EN); rtw_write32_set(rtwdev, REG_CNT_CTRL, BIT_ALL_CNT_RST); rtw_write32_clr(rtwdev, REG_CNT_CTRL, BIT_ALL_CNT_RST); + rtw_write32_set(rtwdev, REG_RX_BREAK, BIT_COM_RX_GCK_EN); } static void rtw8822c_do_iqk(struct rtw_dev *rtwdev) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h index ef708ba..33125e7 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h @@ -177,6 +177,8 @@ struct rtw8822c_efuse { #define BIT_CCK_BLK_EN BIT(1) #define BIT_CCK_OFDM_BLK_EN (BIT(0) | BIT(1)) #define REG_CCAMSK 0x1c80 +#define REG_RX_BREAK 0x1d2c +#define BIT_COM_RX_GCK_EN BIT(31) #define REG_RXFNCTL 0x1d30 #define REG_RXIGI 0x1d70 #define REG_ENFN 0x1e24 -- 2.7.4
