Date: Thu, 14 Apr 2011 23:30:36 +0100
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Fernando Guzman Lugo <fernando.lugo@ti.com>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, tony@atomide.com,
        Ramesh Gupta <grgupta@ti.com>, Hari Kanigeri <h-kanigeri2@ti.com>
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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