diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2020-05-12 12:26:16 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-05-13 17:48:45 +0200 |
| commit | 05202746ed70ea9601ab78657025adcdf945293c (patch) | |
| tree | e70be8d694715befaded6b86db32f37d579e4ddd /drivers/net/wireless/realtek/rtw88/rtw8723d.c | |
| parent | rtw88: 8723d: Add power tracking (diff) | |
| download | linux-05202746ed70ea9601ab78657025adcdf945293c.tar.xz linux-05202746ed70ea9601ab78657025adcdf945293c.zip | |
rtw88: 8723d: Add shutdown callback to disable BT USB suspend
Without this patch, wifi card can't initialize properly due to BT in USB
suspend state. So, we disable BT USB suspend (wakeup) in shutdown callback
that is the moment before rebooting. To save BT USB power, we can't do this
in 'remove' callback.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200512102621.5148-5-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723d.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8723d.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 4fc2d0bb2704..bfad27d10c40 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -549,6 +549,11 @@ static int rtw8723d_mac_init(struct rtw_dev *rtwdev) return 0; } +static void rtw8723d_shutdown(struct rtw_dev *rtwdev) +{ + rtw_write16_set(rtwdev, REG_HCI_OPT_CTRL, BIT_USB_SUS_DIS); +} + static void rtw8723d_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) { u8 ldo_pwr; @@ -1790,6 +1795,7 @@ static struct rtw_chip_ops rtw8723d_ops = { .query_rx_desc = rtw8723d_query_rx_desc, .set_channel = rtw8723d_set_channel, .mac_init = rtw8723d_mac_init, + .shutdown = rtw8723d_shutdown, .read_rf = rtw_phy_read_rf_sipi, .write_rf = rtw_phy_write_rf_reg_sipi, .set_tx_power_index = rtw8723d_set_tx_power_index, |