From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Mon, 30 Nov 2015 15:09:33 +0100 Subject: [RFC v02 03/15] dmaengine: core: Introduce new, universal API to request a channel In-Reply-To: <1448891145-10766-4-git-send-email-peter.ujfalusi@ti.com> References: <1448891145-10766-1-git-send-email-peter.ujfalusi@ti.com> <1448891145-10766-4-git-send-email-peter.ujfalusi@ti.com> Message-ID: <2436417.uspUkNqtIA@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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