On Mon, Aug 30, 2010 at 07:31:20PM +0200, Martin Fuzzey wrote: > This patch adds two new tests: #17 and #18 which are similar to > tests #1 and #2 except that instead of allocating the data buffers > with usb_alloc_coherent() and setting URB_NO_TRANSFER_DMA_MAP > they use kmalloc() plus a 0-3 byte offset and let the core > do the DMA mapping. > > This mimics the behaviour of drivers such as usbnet which add > an offset to the transfer_buffer to align the IP header and > causes problems for HCDs that don't accept arbitary alignment > for DMA buffers. > > Signed-off-by: Martin Fuzzey <mfuzzey@xxxxxxxxx> I need an ack from David Brownell for this one before I can apply it. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
