From: Zhengping Jiang jiangzp@google.com
[ Upstream commit 03b0093f7b310493bc944a20f725228cfe0d3fea ]
Bluetooth controller attached via the UART is handled by the serdev driver. Get the wakeup status from the device handle through serdev, instead of the parent path.
Fixes: c1a74160eaf1 ("Bluetooth: hci_qca: Add device_may_wakeup support") Signed-off-by: Zhengping Jiang jiangzp@google.com Signed-off-by: Luiz Augusto von Dentz luiz.von.dentz@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bluetooth/hci_qca.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index e45777b3f5dac..8041155f30214 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1582,10 +1582,11 @@ static bool qca_prevent_wake(struct hci_dev *hdev) struct hci_uart *hu = hci_get_drvdata(hdev); bool wakeup;
- /* UART driver handles the interrupt from BT SoC.So we need to use - * device handle of UART driver to get the status of device may wakeup. + /* BT SoC attached through the serial bus is handled by the serdev driver. + * So we need to use the device handle of the serdev driver to get the + * status of device may wakeup. */ - wakeup = device_may_wakeup(hu->serdev->ctrl->dev.parent); + wakeup = device_may_wakeup(&hu->serdev->ctrl->dev); bt_dev_dbg(hu->hdev, "wakeup status : %d", wakeup);
return !wakeup;