reg_dma_chan 504 drivers/gpu/drm/vc4/vc4_dsi.c struct dma_chan *reg_dma_chan; reg_dma_chan 550 drivers/gpu/drm/vc4/vc4_dsi.c struct dma_chan *chan = dsi->reg_dma_chan; reg_dma_chan 1500 drivers/gpu/drm/vc4/vc4_dsi.c dsi->reg_dma_chan = dma_request_chan_by_mask(&dma_mask); reg_dma_chan 1501 drivers/gpu/drm/vc4/vc4_dsi.c if (IS_ERR(dsi->reg_dma_chan)) { reg_dma_chan 1502 drivers/gpu/drm/vc4/vc4_dsi.c ret = PTR_ERR(dsi->reg_dma_chan);