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Date: Mon, 13 Jun 2016 09:59:23 +0200
From: Christoph Hellwig <hch@lst.de>
To: Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Simran Rai <ssimran@broadcom.com>,
        Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] dma: remove bad_dma_ops to fix build fail
Message-ID: <20160613075923.GA21597@lst.de>
References: <1465763104-6227-1-git-send-email-sudipm.mukherjee@gmail.com> <20160612213224.fcjalhwmjqwpjhui@rhwork>
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On Sun, Jun 12, 2016 at 02:32:24PM -0700, Jerry Snitselaar wrote:
> Ccing Christoph since his commit introduced bad_dma_ops, and Simran
> who wrote that cygnus code.
>
> I'm thinking that is there to complain loudly when someone is trying
> to use dma without HAS_DMA, correct Christoph?

Yes.  Note that I just refactored the code - before my commit
we simply had prototypes for the various DMA API functions that
never had an implementation to back them.