linux-kernel - Re: [PATCH v5 3/9] dma-mapping: add dma_{map,unmap}

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Message-ID: <20160421134942.GA3325@infradead.org>
Date:	Thu, 21 Apr 2016 06:49:42 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Christoph Hellwig <hch@...radead.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-renesas-soc@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
	iommu@...ts.linux-foundation.org, robin.murphy@....com,
	geert+renesas@...der.be, Linus Walleij <linus.walleij@...aro.org>,
	Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org
Subject: Re: [PATCH v5 3/9] dma-mapping: add dma_{map,unmap}_resource

On Wed, Apr 13, 2016 at 03:29:17PM +0200, Niklas S?derlund wrote:
> > Yes, it would be good to do an audit of all the ARM dma_ops as well
> > as generic code like drivers/base/dma-*.c, lib/dma-debug.c and
> > include/linux/dma-*.h

What about things like the phys_addr() helper in lib/dma-debug.c?  That
was in fact what prompted my question for an audit, and it seems
to not even feature on your list.  What patterns / symbols did you look
for?