Lines Matching refs:dma_ch
196 ret = dmaengine_slave_config(hist->dma_ch, &cfg); in hist_buf_dma()
203 tx = dmaengine_prep_slave_single(hist->dma_ch, dma_addr, in hist_buf_dma()
220 dma_async_issue_pending(hist->dma_ch); in hist_buf_dma()
283 if (hist->dma_ch) in hist_buf_process()
498 hist->dma_ch = dma_request_chan_by_mask(&mask); in omap3isp_hist_init()
499 if (IS_ERR(hist->dma_ch)) { in omap3isp_hist_init()
500 ret = PTR_ERR(hist->dma_ch); in omap3isp_hist_init()
504 hist->dma_ch = NULL; in omap3isp_hist_init()
509 dma_chan_name(hist->dma_ch)); in omap3isp_hist_init()
521 if (!IS_ERR_OR_NULL(hist->dma_ch)) in omap3isp_hist_init()
522 dma_release_channel(hist->dma_ch); in omap3isp_hist_init()
536 if (hist->dma_ch) in omap3isp_hist_cleanup()
537 dma_release_channel(hist->dma_ch); in omap3isp_hist_cleanup()