Displaying 1 result from an estimated 1 matches for "usb_urb_transfer".
2006 Jul 06
1
tracing a problem with newhidups
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none (-22)
entering string_to_path()
parsing UPS
Looking up UPS
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The function calls in userspace are:
[newhidups.c] upsdrv_updateinfo()
[libhid.c] HIDGetEvents()
[libusb.c] libusb_get_interrupt()
[libusb] usb_interrupt_read()
[libusb] usb_urb_transfer()
In the usb_urb_transfer() function one can find that
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urb.number_of_packets = 0; /* don't do isochronous yet */
urb.usercontext = NULL;
ret = ioctl(dev->fd, IOCTL_USB_SUBMITURB, &urb);
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and in the kernel code of linux/drivers/usb/host/uhci.c:
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