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Date: Fri, 2 Oct 2015 10:25:44 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Cc: Matthew Wilcox <willy@linux.intel.com>,
        Alexey Kardashevskiy <aik@ozlabs.ru>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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        Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org,
        David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 2/2] drivers/nvme: default to the IOMMU page size on Power
Message-ID: <20151002172544.GA16139@infradead.org>
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Hi Nishanth,

please expose this value through the generic DMA API instead of adding
architecture specific hacks to drivers.