[PATCH] iommu: omap_iovmm: support non page-aligned buffers in iommu_vmap

[Roedel, Joerg]

On Thu, Sep 01, 2011 at 09:31:13AM -0400, Laurent Pinchart wrote:
> Hi Ohad,
> 
> On Thursday 01 September 2011 13:47:26 Ohad Ben-Cohen wrote:
> > On Wed, Aug 31, 2011 at 1:52 PM, Ohad Ben-Cohen <ohad at wizery.com> wrote:
> > > From: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > > 
> > > omap_iovmm requires page-aligned buffers, and that sometimes causes
> > > omap3isp failures (i.e. whenever the buffer passed from userspace is not
> > > page-aligned).
> > > 
> > > Remove this limitation by rounding the address of the first page entry
> > > down, and adding the offset back to the device address.
> > 
> > Seems like the unmap paths were skipped (need to adjust the sizes in
> > the unmap path too).
> > 
> > Laurent, if it looks good to you, I'll just squash it to the original
> > patch and repost:
> 
> Do you have a tree where the current code base can be found ?

Please base your upstream-patches against

	git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git arm/omap

Thanks,

	Joerg


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