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Thu, 06 Jun 2024 19:43:26 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 19:43:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 19:43:25 +0800 From: Chris Lu To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Deren Wu , Aaron Hou , Steve Lee , linux-bluetooth , linux-kernel , linux-mediatek , Chris Lu Subject: [PATCH v4 2/4] Bluetooth: btusb: add callback function in btusb suspend/resume Date: Thu, 6 Jun 2024 19:43:19 +0800 Message-ID: <20240606114321.30515-3-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606114321.30515-1-chris.lu@mediatek.com> References: <20240606114321.30515-1-chris.lu@mediatek.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain 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 Signed-off-by: Sean Wang --- 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); + 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