From: Alan Stern Date: Fri, 27 Apr 2007 18:32:47 +0000 (-0400) Subject: [PATCH] USB: set the correct Interrupt interval in usb_bulk_msg X-Git-Tag: v2.6.21.5~20 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cef48f58c6632f3c7568d24dda8c3372566ab557;p=thirdparty%2Fkernel%2Fstable.git [PATCH] USB: set the correct Interrupt interval in usb_bulk_msg This patch (as902) fixes a mistake I introduced into usb_bulk_msg(). usb_fill_int_urb() already does the bit-shifting calculation for high-speed Interrupt intervals; it shouldn't be done twice. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman Signed-off-by: Chris Wright --- diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 217a3d6d0a06d..2f17468b5c1ef 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -221,15 +221,10 @@ int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { - int interval; - - if (usb_dev->speed == USB_SPEED_HIGH) - interval = 1 << min(15, ep->desc.bInterval - 1); - else - interval = ep->desc.bInterval; pipe = (pipe & ~(3 << 30)) | (PIPE_INTERRUPT << 30); usb_fill_int_urb(urb, usb_dev, pipe, data, len, - usb_api_blocking_completion, NULL, interval); + usb_api_blocking_completion, NULL, + ep->desc.bInterval); } else usb_fill_bulk_urb(urb, usb_dev, pipe, data, len, usb_api_blocking_completion, NULL);