From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from na3sys009aog120.obsmtp.com ([74.125.149.140]:58077 "HELO na3sys009aog120.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752712Ab1LUCUJ (ORCPT ); Tue, 20 Dec 2011 21:20:09 -0500 From: Bing Zhao To: linux-bluetooth@vger.kernel.org Cc: linux-wireless@vger.kernel.org, Marcel Holtmann , Gustavo Padovan , Bing Zhao Subject: [PATCH] Bluetooth: btusb: fix bInterval for high/super speed isochronous endpoints Date: Tue, 20 Dec 2011 18:19:00 -0800 Message-Id: <1324433940-16838-1-git-send-email-bzhao@marvell.com> (sfid-20111221_032037_893938_E5D7D096) Sender: linux-wireless-owner@vger.kernel.org List-ID: For high-speed/super-speed isochronous endpoints, the bInterval value is used as exponent, 2^(bInterval-1). Luckily we have usb_fill_int_urb() function that handles it correctly. So we just call this function to fill in the RX URB. Cc: Marcel Holtmann Signed-off-by: Bing Zhao --- drivers/bluetooth/btusb.c | 9 ++------- 1 files changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index ea5ad1c..a67c6db 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -508,15 +508,10 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); - urb->dev = data->udev; - urb->pipe = pipe; - urb->context = hdev; - urb->complete = btusb_isoc_complete; - urb->interval = data->isoc_rx_ep->bInterval; + usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, + hdev, data->isoc_rx_ep->bInterval); urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; - urb->transfer_buffer = buf; - urb->transfer_buffer_length = size; __fill_isoc_descriptor(urb, size, le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); -- 1.7.4.1