diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2020-05-12 18:26:16 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-05-13 18:48:45 +0300 |
| commit | 05202746ed70ea9601ab78657025adcdf945293c (patch) | |
| tree | e70be8d694715befaded6b86db32f37d579e4ddd /drivers/net/wireless/realtek/rtw88/pci.c | |
| parent | 608d2a08f842d8f1ca877ced7bf092f084717553 (diff) | |
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/pci.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/pci.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index a9752c34c9d8..e5ea30c04ac5 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -1573,6 +1573,22 @@ static void rtw_pci_remove(struct pci_dev *pdev) ieee80211_free_hw(hw); } +static void rtw_pci_shutdown(struct pci_dev *pdev) +{ + struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct rtw_dev *rtwdev; + struct rtw_chip_info *chip; + + if (!hw) + return; + + rtwdev = hw->priv; + chip = rtwdev->chip; + + if (chip->ops->shutdown) + chip->ops->shutdown(rtwdev); +} + static const struct pci_device_id rtw_pci_id_table[] = { #ifdef CONFIG_RTW88_8822BE { RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB822, rtw8822b_hw_spec) }, @@ -1593,6 +1609,7 @@ static struct pci_driver rtw_pci_driver = { .probe = rtw_pci_probe, .remove = rtw_pci_remove, .driver.pm = &rtw_pm_ops, + .shutdown = rtw_pci_shutdown, }; module_pci_driver(rtw_pci_driver); |