Laurent Pinchart 329d8d3b47
iommu/omap-iovmm: support non page-aligned buffers in iommu_vmap ...
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.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com >
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com >
[ohad@wizery.com: rebased, but tested only with aligned buffers]
[ohad@wizery.com: slightly edited the commit log]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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329d8d3b47