linux-kernel - Re: [RFC v02 03/15] dmaengine: core: Introduce new, universal API to request a channel

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Date:	Mon, 30 Nov 2015 15:09:33 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	vinod.koul@...el.com, andy.shevchenko@...il.com,
	linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mmc@...r.kernel.org, nsekhar@...com,
	linux-spi@...r.kernel.org
Subject: Re: [RFC v02 03/15] dmaengine: core: Introduce new, universal API to request a channel

On Monday 30 November 2015 15:45:33 Peter Ujfalusi wrote:
>                                                   const char *name);
>  struct dma_chan *dma_request_slave_channel(struct device *dev, const char *name);
> +
> +struct dma_chan *dma_request_chan(struct device *dev, const char *name);
> +struct dma_chan *dma_request_chan_by_mask(const dma_cap_mask_t *mask);
> +
>  void dma_release_channel(struct dma_chan *chan);
>  int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps);
>  #else
> @@ -1268,6 +1291,14 @@ static inline struct dma_chan *dma_request_slave_channel(struct device *dev,
>  {
>         return NULL;
>  }
> +static inline struct dma_chan *dma_request_chan(struct device *dev)
> +{
> +       return ERR_PTR(-ENODEV);
> +}
> 

The prototypes for dma_request_chan() don't match, otherwise looks good.

	Arnd
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