xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rtw88: 8723d: Add shutdown callback to disable BT USB suspend

Browse Source 
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
This commit is contained in:
Ping-Ke Shih
2020-05-12 18:26:16 +08:00
committed by Kalle Valo
parent 608d2a08f8
commit 05202746ed
4 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/wireless/realtek/rtw88/pci.c
View File

@@ -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);