On Thu, Sep 16, 2010 at 09:56:08AM +0300, Felipe Balbi wrote: > From: Maulik Mankad <x0082077@xxxxxx> > > The USB stack maps the buffer for DMA if the controller supports DMA. > MUSB controller can perform DMA as well as PIO transfers. > The buffer needs to be unmapped before CPU can perform > PIO data transfers. > > Export unmap_urb_for_dma() so that drivers can perform > the DMA unmapping in a sane way. > > Signed-off-by: Maulik Mankad <x0082077@xxxxxx> > Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Felipe Balbi <balbi@xxxxxx> Is this a regression fix? It doesn't look like 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
