From 5a9b80e2cd993f77d6d068470a4fd77fdfae44ab Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Sun, 9 Oct 2011 12:12:16 +0200 Subject: Bluetooth: btusb: also be quiet when suspending usb_submit_urb() returns -ENODEV when a usb device is disconnected. In commit 4935f1c164ac528dff3538f97953b385ba500710 ("Bluetooth: btusb: be quiet on device disconnect") I stopped treating that return as an error in the three btusb_*_complete() functions. It turns out btusb_send_frame() generates a similar error if the system is suspended while the bluetooth usb device is enabled. The sensible thing to do here seems to be to treat -ENODEV (and -EPERM) just like the btusb_*_complete() functions now do. Signed-off-by: Paul Bolle Signed-off-by: Gustavo F. Padovan --- drivers/bluetooth/btusb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/bluetooth/btusb.c') diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 675246a6f7ef..18fde3be530f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -767,7 +767,9 @@ skip_waking: err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { - BT_ERR("%s urb %p submission failed", hdev->name, urb); + if (err != -EPERM && err != -ENODEV) + BT_ERR("%s urb %p submission failed (%d)", + hdev->name, urb, -err); kfree(urb->setup_packet); usb_unanchor_urb(urb); } else { -- cgit v1.2.3 From d4b8d1c9c1564f4cbce86cbbee099fadf735b226 Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Sun, 9 Oct 2011 12:12:22 +0200 Subject: Bluetooth: btusb: hide more usb_submit_urb errors There are still three calls of usb_submit_urb() that will print errors if those calls return -EPERM or -ENODEV. I have never triggered these, so I'm not sure when these return values might be seen. It still makes sense to be silent if these occur (since "urb is being killed" and "device got disconnected" aren't things to worry about). Signed-off-by: Paul Bolle Signed-off-by: Gustavo F. Padovan --- drivers/bluetooth/btusb.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/bluetooth/btusb.c') diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 18fde3be530f..abfc4ee87ee8 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -312,7 +312,8 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { - BT_ERR("%s urb %p submission failed (%d)", + if (err != -EPERM && err != -ENODEV) + BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); usb_unanchor_urb(urb); } @@ -397,7 +398,8 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { - BT_ERR("%s urb %p submission failed (%d)", + if (err != -EPERM && err != -ENODEV) + BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); usb_unanchor_urb(urb); } @@ -520,7 +522,8 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { - BT_ERR("%s urb %p submission failed (%d)", + if (err != -EPERM && err != -ENODEV) + BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); usb_unanchor_urb(urb); } -- cgit v1.2.3 From b8aabfc92249b239c425da7e4ca85b7e4855e984 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 2 Nov 2011 15:52:04 +0200 Subject: Bluetooth: use buffer priority to mark URB_ISO_ASAP flag Signed-off-by: Luiz Augusto von Dentz Acked-by: Marcel Holtmann Signed-off-by: Gustavo F. Padovan --- drivers/bluetooth/btusb.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/bluetooth/btusb.c') diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index abfc4ee87ee8..9db247631238 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -727,6 +727,9 @@ static int btusb_send_frame(struct sk_buff *skb) usb_fill_bulk_urb(urb, data->udev, pipe, skb->data, skb->len, btusb_tx_complete, skb); + if (skb->priority >= HCI_PRIO_MAX - 1) + urb->transfer_flags = URB_ISO_ASAP; + hdev->stat.acl_tx++; break; -- cgit v1.2.3