dma_buf_poll_cb_t 187 drivers/dma-buf/dma-buf.c struct dma_buf_poll_cb_t *dcb = (struct dma_buf_poll_cb_t *)cb; dma_buf_poll_cb_t 233 drivers/dma-buf/dma-buf.c struct dma_buf_poll_cb_t *dcb = &dmabuf->cb_excl; dma_buf_poll_cb_t 268 drivers/dma-buf/dma-buf.c struct dma_buf_poll_cb_t *dcb = &dmabuf->cb_shared;