X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fbluetooth%2Fbtusb.c;h=0cd4a55dd5c4fdff27f5859d07f9be81ec84e118;hp=29ae99817c60a58b0c15ce85a13bf98c3cbdd79a;hb=6a88adf2adf5d6a3b759c2e114da4c5266ca3972;hpb=550ac958791399266c20e15e8048cd12bfce08ae

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 29ae99817c60..0cd4a55dd5c4 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,7 @@ static struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
 
 	/* Broadcom BCM2046 */
+	{ USB_DEVICE(0x0a5c, 0x2146), .driver_info = BTUSB_RESET },
 	{ USB_DEVICE(0x0a5c, 0x2151), .driver_info = BTUSB_RESET },
 
 	/* Apple MacBook Pro with Broadcom chip */
@@ -113,6 +114,7 @@ static struct usb_device_id blacklist_table[] = {
 
 	/* Targus ACB10US */
 	{ USB_DEVICE(0x0a5c, 0x2100), .driver_info = BTUSB_RESET },
+	{ USB_DEVICE(0x0a5c, 0x2154), .driver_info = BTUSB_RESET },
 
 	/* ANYCOM Bluetooth USB-200 and USB-250 */
 	{ USB_DEVICE(0x0a5c, 0x2111), .driver_info = BTUSB_RESET },
@@ -150,6 +152,9 @@ static struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
 	{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
 
+	/* Belkin F8T016 device */
+	{ USB_DEVICE(0x050d, 0x016a), .driver_info = BTUSB_RESET },
+
 	/* Digianswer devices */
 	{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
 	{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
@@ -193,6 +198,7 @@ struct btusb_data {
 	struct usb_endpoint_descriptor *isoc_rx_ep;
 
 	int isoc_altsetting;
+	int suspend_count;
 };
 
 static void btusb_intr_complete(struct urb *urb)
@@ -231,7 +237,7 @@ static void btusb_intr_complete(struct urb *urb)
 	}
 }
 
-static int btusb_submit_intr_urb(struct hci_dev *hdev)
+static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
 	struct btusb_data *data = hdev->driver_data;
 	struct urb *urb;
@@ -244,13 +250,13 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev)
 	if (!data->intr_ep)
 		return -ENODEV;
 
-	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	urb = usb_alloc_urb(0, mem_flags);
 	if (!urb)
 		return -ENOMEM;
 
 	size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
 
-	buf = kmalloc(size, GFP_ATOMIC);
+	buf = kmalloc(size, mem_flags);
 	if (!buf) {
 		usb_free_urb(urb);
 		return -ENOMEM;
@@ -266,12 +272,11 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev)
 
 	usb_anchor_urb(urb, &data->intr_anchor);
 
-	err = usb_submit_urb(urb, GFP_ATOMIC);
+	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
 		BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
-		kfree(buf);
 	}
 
 	usb_free_urb(urb);
@@ -315,7 +320,7 @@ static void btusb_bulk_complete(struct urb *urb)
 	}
 }
 
-static int btusb_submit_bulk_urb(struct hci_dev *hdev)
+static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
 	struct btusb_data *data = hdev->driver_data;
 	struct urb *urb;
@@ -328,13 +333,13 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev)
 	if (!data->bulk_rx_ep)
 		return -ENODEV;
 
-	urb = usb_alloc_urb(0, GFP_KERNEL);
+	urb = usb_alloc_urb(0, mem_flags);
 	if (!urb)
 		return -ENOMEM;
 
 	size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize);
 
-	buf = kmalloc(size, GFP_KERNEL);
+	buf = kmalloc(size, mem_flags);
 	if (!buf) {
 		usb_free_urb(urb);
 		return -ENOMEM;
@@ -349,12 +354,11 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev)
 
 	usb_anchor_urb(urb, &data->bulk_anchor);
 
-	err = usb_submit_urb(urb, GFP_KERNEL);
+	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
 		BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
-		kfree(buf);
 	}
 
 	usb_free_urb(urb);
@@ -427,7 +431,7 @@ static void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
 	urb->number_of_packets = i;
 }
 
-static int btusb_submit_isoc_urb(struct hci_dev *hdev)
+static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
 	struct btusb_data *data = hdev->driver_data;
 	struct urb *urb;
@@ -440,14 +444,14 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev)
 	if (!data->isoc_rx_ep)
 		return -ENODEV;
 
-	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
+	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
 	if (!urb)
 		return -ENOMEM;
 
 	size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
 						BTUSB_MAX_ISOC_FRAMES;
 
-	buf = kmalloc(size, GFP_KERNEL);
+	buf = kmalloc(size, mem_flags);
 	if (!buf) {
 		usb_free_urb(urb);
 		return -ENOMEM;
@@ -470,12 +474,11 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev)
 
 	usb_anchor_urb(urb, &data->isoc_anchor);
 
-	err = usb_submit_urb(urb, GFP_KERNEL);
+	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
 		BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
-		kfree(buf);
 	}
 
 	usb_free_urb(urb);
@@ -518,7 +521,7 @@ static int btusb_open(struct hci_dev *hdev)
 	if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
 		return 0;
 
-	err = btusb_submit_intr_urb(hdev);
+	err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
 	if (err < 0) {
 		clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 		clear_bit(HCI_RUNNING, &hdev->flags);
@@ -678,8 +681,19 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 
 	BT_DBG("%s evt %d", hdev->name, evt);
 
-	if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL)
-		schedule_work(&data->work);
+	if (hdev->conn_hash.acl_num > 0) {
+		if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+			if (btusb_submit_bulk_urb(hdev, GFP_ATOMIC) < 0)
+				clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+			else
+				btusb_submit_bulk_urb(hdev, GFP_ATOMIC);
+		}
+	} else {
+		clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+		usb_unlink_anchored_urbs(&data->bulk_anchor);
+	}
+
+	schedule_work(&data->work);
 }
 
 static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting)
@@ -730,18 +744,6 @@ static void btusb_work(struct work_struct *work)
 	struct btusb_data *data = container_of(work, struct btusb_data, work);
 	struct hci_dev *hdev = data->hdev;
 
-	if (hdev->conn_hash.acl_num > 0) {
-		if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
-			if (btusb_submit_bulk_urb(hdev) < 0)
-				clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-			else
-				btusb_submit_bulk_urb(hdev);
-		}
-	} else {
-		clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-		usb_kill_anchored_urbs(&data->bulk_anchor);
-	}
-
 	if (hdev->conn_hash.sco_num > 0) {
 		if (data->isoc_altsetting != 2) {
 			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
@@ -752,10 +754,10 @@ static void btusb_work(struct work_struct *work)
 		}
 
 		if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
-			if (btusb_submit_isoc_urb(hdev) < 0)
+			if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
 				clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 			else
-				btusb_submit_isoc_urb(hdev);
+				btusb_submit_isoc_urb(hdev, GFP_KERNEL);
 		}
 	} else {
 		clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
@@ -947,10 +949,71 @@ static void btusb_disconnect(struct usb_interface *intf)
 	hci_free_dev(hdev);
 }
 
+static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct btusb_data *data = usb_get_intfdata(intf);
+
+	BT_DBG("intf %p", intf);
+
+	if (data->suspend_count++)
+		return 0;
+
+	cancel_work_sync(&data->work);
+
+	usb_kill_anchored_urbs(&data->tx_anchor);
+
+	usb_kill_anchored_urbs(&data->isoc_anchor);
+	usb_kill_anchored_urbs(&data->bulk_anchor);
+	usb_kill_anchored_urbs(&data->intr_anchor);
+
+	return 0;
+}
+
+static int btusb_resume(struct usb_interface *intf)
+{
+	struct btusb_data *data = usb_get_intfdata(intf);
+	struct hci_dev *hdev = data->hdev;
+	int err;
+
+	BT_DBG("intf %p", intf);
+
+	if (--data->suspend_count)
+		return 0;
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
+		err = btusb_submit_intr_urb(hdev, GFP_NOIO);
+		if (err < 0) {
+			clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+			return err;
+		}
+	}
+
+	if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+		if (btusb_submit_bulk_urb(hdev, GFP_NOIO) < 0)
+			clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+		else
+			btusb_submit_bulk_urb(hdev, GFP_NOIO);
+	}
+
+	if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+		if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
+			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+		else
+			btusb_submit_isoc_urb(hdev, GFP_NOIO);
+	}
+
+	return 0;
+}
+
 static struct usb_driver btusb_driver = {
 	.name		= "btusb",
 	.probe		= btusb_probe,
 	.disconnect	= btusb_disconnect,
+	.suspend	= btusb_suspend,
+	.resume		= btusb_resume,
 	.id_table	= btusb_table,
 };