linux-kernel - Re: [PATCH 1/2] dw_dmac: check direction properly in dw_dma_cyclic

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Message-ID: <CAOh2x=nQ+y+_+mikxQUvWj1zBFf1qrrFgmqHFLZyHm9WY3=jAQ@mail.gmail.com>
Date:	Thu, 15 Nov 2012 20:05:51 +0530
From:	viresh kumar <viresh.kumar@...aro.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	spear-devel <spear-devel@...t.st.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dw_dmac: check direction properly in dw_dma_cyclic_prep

On Thu, Nov 15, 2012 at 7:50 PM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c

> +static inline bool is_slave_direction(enum dma_transfer_direction direction)
> +{
> +       return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM);
> +}

I would add this in dmaengine.h and will also include check for DMA_DEV_TO_DEV.
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