From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 14 Dec 2018 09:25:13 +0100
Subject: [OpenRISC] ensure dma_alloc_coherent always returns zeroed memory
Message-ID: <20181214082515.14835-1-hch@lst.de>
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To: openrisc@lists.librecores.org

For security reasons we already returned zeroed memory from
dma_alloc_coherent on most common platforms, but some implementation
missed out.  Make sure we provide a consistent behavior.