[PATCH v7 1/3] Bluetooth: btusb: Use an error label for error paths

[PATCH v7 1/3] Bluetooth: btusb: Use an error label for error paths

[Rajat Jain]

Use a label to remove the repetetive cleanup, for error cases.

Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
---
v7: same as v6
v6: same as v5
v5: same as v4
v4: same as v3
v3: Added Brian's "Reviewed-by"
v2: same as v1

 drivers/bluetooth/btusb.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2f633df9f4e6..ce22cefceed1 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2991,18 +2991,15 @@ static int btusb_probe(struct usb_interface *intf,
 		err = usb_set_interface(data->udev, 0, 0);
 		if (err < 0) {
 			BT_ERR("failed to set interface 0, alt 0 %d", err);
-			hci_free_dev(hdev);
-			return err;
+			goto out_free_dev;
 		}
 	}
 
 	if (data->isoc) {
 		err = usb_driver_claim_interface(&btusb_driver,
 						 data->isoc, data);
-		if (err < 0) {
-			hci_free_dev(hdev);
-			return err;
-		}
+		if (err < 0)
+			goto out_free_dev;
 	}
 
 #ifdef CONFIG_BT_HCIBTUSB_BCM
@@ -3016,14 +3013,16 @@ static int btusb_probe(struct usb_interface *intf,
 #endif
 
 	err = hci_register_dev(hdev);
-	if (err < 0) {
-		hci_free_dev(hdev);
-		return err;
-	}
+	if (err < 0)
+		goto out_free_dev;
 
 	usb_set_intfdata(intf, data);
 
 	return 0;
+
+out_free_dev:
+	hci_free_dev(hdev);
+	return err;
 }
 
 static void btusb_disconnect(struct usb_interface *intf)
-- 
2.11.0.483.g087da7b7c-goog

[PATCH v7 1/3] Bluetooth: btusb: Use an error label for error paths

[Rajat Jain]

Use a label to remove the repetetive cleanup, for error cases.

Signed-off-by: Rajat Jain <rajatja-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Reviewed-by: Brian Norris <briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
---
v7: same as v6
v6: same as v5
v5: same as v4
v4: same as v3
v3: Added Brian's "Reviewed-by"
v2: same as v1

 drivers/bluetooth/btusb.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2f633df9f4e6..ce22cefceed1 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2991,18 +2991,15 @@ static int btusb_probe(struct usb_interface *intf,
 		err = usb_set_interface(data->udev, 0, 0);
 		if (err < 0) {
 			BT_ERR("failed to set interface 0, alt 0 %d", err);
-			hci_free_dev(hdev);
-			return err;
+			goto out_free_dev;
 		}
 	}
 
 	if (data->isoc) {
 		err = usb_driver_claim_interface(&btusb_driver,
 						 data->isoc, data);
-		if (err < 0) {
-			hci_free_dev(hdev);
-			return err;
-		}
+		if (err < 0)
+			goto out_free_dev;
 	}
 
 #ifdef CONFIG_BT_HCIBTUSB_BCM
@@ -3016,14 +3013,16 @@ static int btusb_probe(struct usb_interface *intf,
 #endif
 
 	err = hci_register_dev(hdev);
-	if (err < 0) {
-		hci_free_dev(hdev);
-		return err;
-	}
+	if (err < 0)
+		goto out_free_dev;
 
 	usb_set_intfdata(intf, data);
 
 	return 0;
+
+out_free_dev:
+	hci_free_dev(hdev);
+	return err;
 }
 
 static void btusb_disconnect(struct usb_interface *intf)
-- 
2.11.0.483.g087da7b7c-goog

[PATCH v7 2/3] Bluetooth: btusb: Add out-of-band wakeup support

[Rajat Jain]

Some onboard BT chips (e.g. Marvell 8997) contain a wakeup pin that
can be connected to a gpio on the CPU side, and can be used to wakeup
the host out-of-band. This can be useful in situations where the
in-band wakeup is not possible or not preferable (e.g. the in-band
wakeup may require the USB host controller to remain active, and
hence consuming more system power during system sleep).

The oob gpio interrupt to be used for wakeup on the CPU side, is
read from the device tree node, (using standard interrupt descriptors).
A devcie tree binding document is also added for the driver. The
compatible string is in compliance with
Documentation/devicetree/bindings/usb/usb-device.txt

Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
---
v7: Change the BTUSB_OOB_WAKE_DISABLED flag to BTUSB_OOB_WAKE_ENABLED
v6: Remove the newlines in error statements ("\n")
v5: Move the call to pm_wakeup_event() to the begining of irq handler.
v4: Move the set_bit(BTUSB_OOB_WAKE_DISABLED,..) call to the beginning of
    btusb_config_oob_wake()
v3: Add Brian's "Reviewed-by"
v2: * Use interrupt-names ("wakeup") instead of assuming first interrupt.
    * Leave it on device tree to specify IRQ flags (level /edge triggered)
    * Mark the device as non wakeable on exit.

 Documentation/devicetree/bindings/net/btusb.txt | 40 ++++++++++++
 drivers/bluetooth/btusb.c                       | 85 +++++++++++++++++++++++++
 2 files changed, 125 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/btusb.txt

diff --git a/Documentation/devicetree/bindings/net/btusb.txt b/Documentation/devicetree/bindings/net/btusb.txt
new file mode 100644
index 000000000000..2c0355c85972
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/btusb.txt
@@ -0,0 +1,40 @@
+Generic Bluetooth controller over USB (btusb driver)
+---------------------------------------------------
+
+Required properties:
+
+  - compatible : should comply with the format "usbVID,PID" specified in
+		 Documentation/devicetree/bindings/usb/usb-device.txt
+		 At the time of writing, the only OF supported devices
+		 (more may be added later) are:
+
+		  "usb1286,204e" (Marvell 8997)
+
+Optional properties:
+
+  - interrupt-parent: phandle of the parent interrupt controller
+  - interrupt-names: (see below)
+  - interrupts : The interrupt specified by the name "wakeup" is the interrupt
+		 that shall be used for out-of-band wake-on-bt. Driver will
+		 request this interrupt for wakeup. During system suspend, the
+		 irq will be enabled so that the bluetooth chip can wakeup host
+		 platform out of band. During system resume, the irq will be
+		 disabled to make sure unnecessary interrupt is not received.
+
+Example:
+
+Following example uses irq pin number 3 of gpio0 for out of band wake-on-bt:
+
+&usb_host1_ehci {
+    status = "okay";
+    #address-cells = <1>;
+    #size-cells = <0>;
+
+    mvl_bt1: bt@1 {
+	compatible = "usb1286,204e";
+	reg = <1>;
+	interrupt-parent = <&gpio0>;
+	interrupt-name = "wakeup";
+	interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+    };
+};
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index ce22cefceed1..fa2231a36b98 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -24,6 +24,8 @@
 #include <linux/module.h>
 #include <linux/usb.h>
 #include <linux/firmware.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -369,6 +371,7 @@ static const struct usb_device_id blacklist_table[] = {
 #define BTUSB_BOOTING		9
 #define BTUSB_RESET_RESUME	10
 #define BTUSB_DIAG_RUNNING	11
+#define BTUSB_OOB_WAKE_ENABLED	12
 
 struct btusb_data {
 	struct hci_dev       *hdev;
@@ -416,6 +419,8 @@ struct btusb_data {
 	int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
 
 	int (*setup_on_usb)(struct hci_dev *hdev);
+
+	int oob_wake_irq;   /* irq for out-of-band wake-on-bt */
 };
 
 static inline void btusb_free_frags(struct btusb_data *data)
@@ -2728,6 +2733,66 @@ static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
 }
 #endif
 
+#ifdef CONFIG_PM
+static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
+{
+	struct btusb_data *data = priv;
+
+	pm_wakeup_event(&data->udev->dev, 0);
+
+	/* Disable only if not already disabled (keep it balanced) */
+	if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
+		disable_irq_nosync(irq);
+		disable_irq_wake(irq);
+	}
+	return IRQ_HANDLED;
+}
+
+static const struct of_device_id btusb_match_table[] = {
+	{ .compatible = "usb1286,204e" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, btusb_match_table);
+
+/* Use an oob wakeup pin? */
+static int btusb_config_oob_wake(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hci_get_drvdata(hdev);
+	struct device *dev = &data->udev->dev;
+	int irq, ret;
+
+	clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
+
+	if (!of_match_device(btusb_match_table, dev))
+		return 0;
+
+	/* Move on if no IRQ specified */
+	irq = of_irq_get_byname(dev->of_node, "wakeup");
+	if (irq <= 0) {
+		bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
+		return 0;
+	}
+
+	ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
+			       0, "OOB Wake-on-BT", data);
+	if (ret) {
+		bt_dev_err(hdev, "%s: IRQ request failed", __func__);
+		return ret;
+	}
+
+	ret = device_init_wakeup(dev, true);
+	if (ret) {
+		bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
+		return ret;
+	}
+
+	data->oob_wake_irq = irq;
+	disable_irq(irq);
+	bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
+	return 0;
+}
+#endif
+
 static int btusb_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
 {
@@ -2849,6 +2914,11 @@ static int btusb_probe(struct usb_interface *intf,
 	hdev->send   = btusb_send_frame;
 	hdev->notify = btusb_notify;
 
+#ifdef CONFIG_PM
+	err = btusb_config_oob_wake(hdev);
+	if (err)
+		goto out_free_dev;
+#endif
 	if (id->driver_info & BTUSB_CW6622)
 		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
 
@@ -3061,6 +3131,9 @@ static void btusb_disconnect(struct usb_interface *intf)
 			usb_driver_release_interface(&btusb_driver, data->isoc);
 	}
 
+	if (data->oob_wake_irq)
+		device_init_wakeup(&data->udev->dev, false);
+
 	hci_free_dev(hdev);
 }
 
@@ -3089,6 +3162,12 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
 	btusb_stop_traffic(data);
 	usb_kill_anchored_urbs(&data->tx_anchor);
 
+	if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
+		set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
+		enable_irq_wake(data->oob_wake_irq);
+		enable_irq(data->oob_wake_irq);
+	}
+
 	/* Optionally request a device reset on resume, but only when
 	 * wakeups are disabled. If wakeups are enabled we assume the
 	 * device will stay powered up throughout suspend.
@@ -3126,6 +3205,12 @@ static int btusb_resume(struct usb_interface *intf)
 	if (--data->suspend_count)
 		return 0;
 
+	/* Disable only if not already disabled (keep it balanced) */
+	if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
+		disable_irq(data->oob_wake_irq);
+		disable_irq_wake(data->oob_wake_irq);
+	}
+
 	if (!test_bit(HCI_RUNNING, &hdev->flags))
 		goto done;
 
-- 
2.11.0.483.g087da7b7c-goog

[PATCH v7 3/3] Bluetooth: btusb: Configure Marvell to use one of the pins for oob wakeup

[Rajat Jain]

The Marvell devices may have many gpio pins, and hence for wakeup
on these out-of-band pins, the chip needs to be told which pin is
to be used for wakeup, using an hci command.

Thus, we read the pin number etc from the device tree node and send
a command to the chip.

Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
---
v7: Same as v6
v6: same as v5
v5: same as v5
v4: same as v3
v3: * remove the Marvell specific id table and check
    * Add reference to marvell-bt-8xxx.txt in btusb.txt
    * Add "Reviewed-by" and "Acked-by"    
v2: Fix the binding document to specify to use "wakeup" interrupt-name

 Documentation/devicetree/bindings/net/btusb.txt    |  3 ++
 .../{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} | 46 +++++++++++++++----
 drivers/bluetooth/btusb.c                          | 51 ++++++++++++++++++++++
 3 files changed, 92 insertions(+), 8 deletions(-)
 rename Documentation/devicetree/bindings/net/{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} (50%)

diff --git a/Documentation/devicetree/bindings/net/btusb.txt b/Documentation/devicetree/bindings/net/btusb.txt
index 2c0355c85972..01fa2d4188d4 100644
--- a/Documentation/devicetree/bindings/net/btusb.txt
+++ b/Documentation/devicetree/bindings/net/btusb.txt
@@ -10,6 +10,9 @@ Required properties:
 
 		  "usb1286,204e" (Marvell 8997)
 
+Also, vendors that use btusb may have device additional properties, e.g:
+Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
+
 Optional properties:
 
   - interrupt-parent: phandle of the parent interrupt controller
diff --git a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt b/Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
similarity index 50%
rename from Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
rename to Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
index 6a9a63cb0543..9be1059ff03f 100644
--- a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
+++ b/Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
@@ -1,16 +1,21 @@
-Marvell 8897/8997 (sd8897/sd8997) bluetooth SDIO devices
+Marvell 8897/8997 (sd8897/sd8997) bluetooth devices (SDIO or USB based)
 ------
+The 8997 devices supports multiple interfaces. When used on SDIO interfaces,
+the btmrvl driver is used and when used on USB interface, the btusb driver is
+used.
 
 Required properties:
 
   - compatible : should be one of the following:
-	* "marvell,sd8897-bt"
-	* "marvell,sd8997-bt"
+	* "marvell,sd8897-bt" (for SDIO)
+	* "marvell,sd8997-bt" (for SDIO)
+	* "usb1286,204e"      (for USB)
 
 Optional properties:
 
   - marvell,cal-data: Calibration data downloaded to the device during
 		      initialization. This is an array of 28 values(u8).
+		      This is only applicable to SDIO devices.
 
   - marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip.
 		        firmware will use the pin to wakeup host system (u16).
@@ -18,10 +23,15 @@ Optional properties:
 		      platform. The value will be configured to firmware. This
 		      is needed to work chip's sleep feature as expected (u16).
   - interrupt-parent: phandle of the parent interrupt controller
-  - interrupts : interrupt pin number to the cpu. Driver will request an irq based
-		 on this interrupt number. During system suspend, the irq will be
-		 enabled so that the bluetooth chip can wakeup host platform under
-		 certain condition. During system resume, the irq will be disabled
+  - interrupt-names: Used only for USB based devices (See below)
+  - interrupts : specifies the interrupt pin number to the cpu. For SDIO, the
+		 driver will use the first interrupt specified in the interrupt
+		 array. For USB based devices, the driver will use the interrupt
+		 named "wakeup" from the interrupt-names and interrupt arrays.
+		 The driver will request an irq based on this interrupt number.
+		 During system suspend, the irq will be enabled so that the
+		 bluetooth chip can wakeup host platform under certain
+		 conditions. During system resume, the irq will be disabled
 		 to make sure unnecessary interrupt is not received.
 
 Example:
@@ -29,7 +39,9 @@ Example:
 IRQ pin 119 is used as system wakeup source interrupt.
 wakeup pin 13 and gap 100ms are configured so that firmware can wakeup host
 using this device side pin and wakeup latency.
-calibration data is also available in below example.
+
+Example for SDIO device follows (calibration data is also available in
+below example).
 
 &mmc3 {
 	status = "okay";
@@ -54,3 +66,21 @@ calibration data is also available in below example.
 		marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
 	};
 };
+
+Example for USB device:
+
+&usb_host1_ohci {
+    status = "okay";
+    #address-cells = <1>;
+    #size-cells = <0>;
+
+    mvl_bt1: bt@1 {
+	compatible = "usb1286,204e";
+	reg = <1>;
+	interrupt-parent = <&gpio0>;
+	interrupt-names = "wakeup";
+	interrupts = <119 IRQ_TYPE_LEVEL_LOW>;
+	marvell,wakeup-pin = /bits/ 16 <0x0d>;
+	marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
+    };
+};
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fa2231a36b98..7a31d8a3db68 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2343,6 +2343,50 @@ static int btusb_shutdown_intel(struct hci_dev *hdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
+static int marvell_config_oob_wake(struct hci_dev *hdev)
+{
+	struct sk_buff *skb;
+	struct btusb_data *data = hci_get_drvdata(hdev);
+	struct device *dev = &data->udev->dev;
+	u16 pin, gap, opcode;
+	int ret;
+	u8 cmd[5];
+
+	/* Move on if no wakeup pin specified */
+	if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
+	    of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
+		return 0;
+
+	/* Vendor specific command to configure a GPIO as wake-up pin */
+	opcode = hci_opcode_pack(0x3F, 0x59);
+	cmd[0] = opcode & 0xFF;
+	cmd[1] = opcode >> 8;
+	cmd[2] = 2; /* length of parameters that follow */
+	cmd[3] = pin;
+	cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
+
+	skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
+	if (!skb) {
+		bt_dev_err(hdev, "%s: No memory\n", __func__);
+		return -ENOMEM;
+	}
+
+	memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
+	hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
+
+	ret = btusb_send_frame(hdev, skb);
+	if (ret) {
+		bt_dev_err(hdev, "%s: configuration failed\n", __func__);
+		kfree_skb(skb);
+		return ret;
+	}
+
+	return 0;
+}
+#endif
+
 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
 				    const bdaddr_t *bdaddr)
 {
@@ -2918,6 +2962,13 @@ static int btusb_probe(struct usb_interface *intf,
 	err = btusb_config_oob_wake(hdev);
 	if (err)
 		goto out_free_dev;
+
+	/* Marvell devices may need a specific chip configuration */
+	if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
+		err = marvell_config_oob_wake(hdev);
+		if (err)
+			goto out_free_dev;
+	}
 #endif
 	if (id->driver_info & BTUSB_CW6622)
 		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
-- 
2.11.0.483.g087da7b7c-goog

Re: [PATCH v7 3/3] Bluetooth: btusb: Configure Marvell to use one of the pins for oob wakeup

[Marcel Holtmann]

Hi,

> The Marvell devices may have many gpio pins, and hence for wakeup
> on these out-of-band pins, the chip needs to be told which pin is
> to be used for wakeup, using an hci command.
> 
> Thus, we read the pin number etc from the device tree node and send
> a command to the chip.
> 
> Signed-off-by: Rajat Jain <rajatja@google.com>
> Reviewed-by: Brian Norris <briannorris@chromium.org>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> v7: Same as v6
> v6: same as v5
> v5: same as v5
> v4: same as v3
> v3: * remove the Marvell specific id table and check
>    * Add reference to marvell-bt-8xxx.txt in btusb.txt
>    * Add "Reviewed-by" and "Acked-by"    
> v2: Fix the binding document to specify to use "wakeup" interrupt-name
> 
> Documentation/devicetree/bindings/net/btusb.txt    |  3 ++
> .../{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} | 46 +++++++++++++++----
> drivers/bluetooth/btusb.c                          | 51 ++++++++++++++++++++++
> 3 files changed, 92 insertions(+), 8 deletions(-)
> rename Documentation/devicetree/bindings/net/{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} (50%)

all 3 patches have been applied to bluetooth-next tree.

Regards

Marcel

Re: [PATCH v7 3/3] Bluetooth: btusb: Configure Marvell to use one of the pins for oob wakeup

[Marcel Holtmann]

Hi,

> The Marvell devices may have many gpio pins, and hence for wakeup
> on these out-of-band pins, the chip needs to be told which pin is
> to be used for wakeup, using an hci command.
> 
> Thus, we read the pin number etc from the device tree node and send
> a command to the chip.
> 
> Signed-off-by: Rajat Jain <rajatja-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
> Reviewed-by: Brian Norris <briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> ---
> v7: Same as v6
> v6: same as v5
> v5: same as v5
> v4: same as v3
> v3: * remove the Marvell specific id table and check
>    * Add reference to marvell-bt-8xxx.txt in btusb.txt
>    * Add "Reviewed-by" and "Acked-by"    
> v2: Fix the binding document to specify to use "wakeup" interrupt-name
> 
> Documentation/devicetree/bindings/net/btusb.txt    |  3 ++
> .../{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} | 46 +++++++++++++++----
> drivers/bluetooth/btusb.c                          | 51 ++++++++++++++++++++++
> 3 files changed, 92 insertions(+), 8 deletions(-)
> rename Documentation/devicetree/bindings/net/{marvell-bt-sd8xxx.txt => marvell-bt-8xxx.txt} (50%)

all 3 patches have been applied to bluetooth-next tree.

Regards

Marcel

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