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Thu, 06 Jun 2024 02:23:48 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N2.mediatek.inc (172.21.101.76) 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 17:23:45 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:23:45 +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 v3 2/4] Bluetooth: btusb: add callback function in btusb suspend/resume Date: Thu, 6 Jun 2024 17:23:38 +0800 Message-ID: <20240606092340.27675-3-chris.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092340.27675-1-chris.lu@mediatek.com> References: <20240606092340.27675-1-chris.lu@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.166100-8.000000 X-TMASE-MatchedRID: xKwqdG8zLkdQs1SN7/4/ILiMC5wdwKqdgRykyfrH1xl0Rk5xb2PnltXf akMEIQ7HfLIS8FLmihpf1xEson1kFmQkHQEHAoWZJsxvR/kPS6pMkOX0UoduuQqiCYa6w8tvb7e EsDP9hR2F8NrNX0LQ3A/uoMrYx9wGVOSZp87t6zCeAiCmPx4NwBnUJ0Ek6yhjxEHRux+uk8hxKp vEGAbTDpA4qPsOFhGU2AcfteNpKqCv4HZLkRYL2yB16cmW2l1XxeTCd0IgD9vg1qtq6TmR6fzU0 +t51hhPdCxMVm/tSlF6biAvwhuk1HmVKZusLp922v9OjYWA2uMMswg45VMfPXY3pGDmoik6 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.166100-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: AFBE66133EF398CF08C94DC5187EB8B22737B0F790BA5777F38581CEC15F941D2000:8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240606_022350_917021_B0AAFB01 X-CRM114-Status: UNSURE ( 9.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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);