Messages in this thread | | | Date | Wed, 14 Mar 2012 17:26:55 +0100 | From | Lars-Peter Clausen <> | Subject | Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs |
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> [...] > + > +struct dma_async_tx_descriptor *msm_dma_prep_interleaved(struct dma_chan *dchan, > + struct dma_interleaved_template *xt, > + unsigned long flags, void *context) > +{ > + > + struct msm_dma_chan *chan; > + struct msm_dma_desc_sw *new; > + struct adm_box_cmd_t *box_cmd_vaddr; > + u32 *cmd_cntrl = context; > + > + if (!dchan) > + return ERR_PTR(-EINVAL);
This is supposed to return either NULL or a valid descriptor.
> + > + if (!xt) > + return ERR_PTR(-EINVAL); > [...
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