Messages in this thread | | | Date | Thu, 14 Apr 2011 23:30:36 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache |
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On Thu, Apr 14, 2011 at 04:52:48PM -0500, Fernando Guzman Lugo wrote: > From: Ramesh Gupta <grgupta@ti.com> > > This patch is to flush the iommu page table entries from L1 and L2 > caches using dma_map_single. This also simplifies the implementation > by removing the functions flush_iopgd_range/flush_iopte_range.
No. This usage is just wrong. If you're going to use the DMA API then unmap it, otherwise the DMA API debugging will go awol.
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