> Stack allocated buffers cannot be used for DMA > on all architectures so allocate hci_packet buffer > using kmalloc. I wonder if the usb stack ought/could support a short bounce buffer within the memory is already has to allocate? For hci and lengths less than 8 the immediate data can be placed directly in the ring structure replacing the data pointer itself. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
