Re: omap3isp buffer alignment

2011-08-12 Thread Laurent Pinchart
On Thursday 11 August 2011 23:21:45 Sakari Ailus wrote: > On Thu, Aug 11, 2011 at 11:57:04AM +0200, Michael Jones wrote: > > Hi Laurent, > > > > If I understood your discussion with Russell [1] correctly, user pointer > > buffers are required to be page-aligned because of the IOMMU API, and > > it

Re: omap3isp buffer alignment

2011-08-11 Thread Sakari Ailus
On Thu, Aug 11, 2011 at 11:57:04AM +0200, Michael Jones wrote: > Hi Laurent, > > If I understood your discussion with Russell [1] correctly, user pointer > buffers are required to be page-aligned because of the IOMMU API, and > it's desirable to keep the IOMMU driver that way for other subsystems