diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-09-16 11:38:05 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-09-19 13:04:43 +0300 |
| commit | a0d99ebb3ecd3cc39d1680e6edb4757013f535fd (patch) | |
| tree | f00d97b7b5854a5ebe9e63e43f551620e26fbdc1 /drivers/net/wireless/realtek/rtw89/mac.c | |
| parent | 8a1f6c88462120ea472b9b7f09afa84104b43391 (diff) | |
| download | linux-a0d99ebb3ecd3cc39d1680e6edb4757013f535fd.tar.gz | |
wifi: rtw89: initialize DMA of CMAC
8852C needs this to change CMAC dma to full mode to keep receiving
packets after RX full event being resolved.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220916033811.13862-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/mac.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index d126fa963e66..d11d4fbeeac7 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -2173,6 +2173,25 @@ static int ptcl_init(struct rtw89_dev *rtwdev, u8 mac_idx) return 0; } +static int cmac_dma_init(struct rtw89_dev *rtwdev, u8 mac_idx) +{ + enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id; + u32 reg; + int ret; + + if (chip_id != RTL8852A && chip_id != RTL8852B) + return 0; + + ret = rtw89_mac_check_mac_en(rtwdev, mac_idx, RTW89_CMAC_SEL); + if (ret) + return ret; + + reg = rtw89_mac_reg_by_idx(R_AX_RXDMA_CTRL_0, mac_idx); + rtw89_write8_clr(rtwdev, reg, RX_FULL_MODE); + + return 0; +} + static int cmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) { int ret; @@ -2248,6 +2267,12 @@ static int cmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) return ret; } + ret = cmac_dma_init(rtwdev, mac_idx); + if (ret) { + rtw89_err(rtwdev, "[ERR]CMAC%d DMA init %d\n", mac_idx, ret); + return ret; + } + return ret; } |