| Message ID | 20240606114321.30515-3-chris.lu@mediatek.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Bluetooth: btusb: MediaTek ISO data transmission | expand |
Hi Chris, On Thu, Jun 6, 2024 at 7:43 AM Chris Lu <chris.lu@mediatek.com> wrote: > > Add new function: dev_suspend/dev_resume in btusb_data which are reserved > for vendor specific usage during suspend/resume. dev_suspend will be > added before stop traffic in btusb_suspend and dev_resume will be > added after resubmit urb in btusb_resuem. > > Signed-off-by: Chris Lu <chris.lu@mediatek.com> > Signed-off-by: Sean Wang <sean.wang@mediatek.com> > --- > drivers/bluetooth/btusb.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 79aefdb3324d..83765c0c14b4 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -891,6 +891,9 @@ struct btusb_data { > > int (*setup_on_usb)(struct hci_dev *hdev); > > + int (*dev_suspend)(struct hci_dev *hdev); > + int (*dev_resume)(struct hci_dev *hdev); I'd name these suspend, resume respectively. > int oob_wake_irq; /* irq for out-of-band wake-on-bt */ > unsigned cmd_timeout_cnt; > > @@ -4715,6 +4718,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) > > cancel_work_sync(&data->work); > > + if (data->dev_suspend) > + data->dev_suspend(data->hdev); > + > btusb_stop_traffic(data); > usb_kill_anchored_urbs(&data->tx_anchor); > > @@ -4818,6 +4824,9 @@ static int btusb_resume(struct usb_interface *intf) > btusb_submit_isoc_urb(hdev, GFP_NOIO); > } > > + if (data->dev_resume) > + data->dev_resume(hdev); > + > spin_lock_irq(&data->txlock); > play_deferred(data); > clear_bit(BTUSB_SUSPENDING, &data->flags); > -- > 2.18.0 >
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 79aefdb3324d..83765c0c14b4 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -891,6 +891,9 @@ struct btusb_data { int (*setup_on_usb)(struct hci_dev *hdev); + int (*dev_suspend)(struct hci_dev *hdev); + int (*dev_resume)(struct hci_dev *hdev); + int oob_wake_irq; /* irq for out-of-band wake-on-bt */ unsigned cmd_timeout_cnt; @@ -4715,6 +4718,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) cancel_work_sync(&data->work); + if (data->dev_suspend) + data->dev_suspend(data->hdev); + btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -4818,6 +4824,9 @@ static int btusb_resume(struct usb_interface *intf) btusb_submit_isoc_urb(hdev, GFP_NOIO); } + if (data->dev_resume) + data->dev_resume(hdev); + spin_lock_irq(&data->txlock); play_deferred(data); clear_bit(BTUSB_SUSPENDING, &data->flags);