401 static void omap_dma_clear_lch(struct omap_dmadev *od, int lch)  in omap_dma_clear_lch()  argument
406 	c = od->lch_map[lch];  in omap_dma_clear_lch()
415 	unsigned lch)  in omap_dma_assign()  argument
417 	c->channel_base = od->base + od->plat->channel_stride * lch;  in omap_dma_assign()
419 	od->lch_map[lch] = c;  in omap_dma_assign()
671 static int omap_dma_get_lch(struct omap_dmadev *od, int *lch)  in omap_dma_get_lch()  argument
683 	*lch = channel;  in omap_dma_get_lch()
689 	*lch = -EINVAL;  in omap_dma_get_lch()
694 static void omap_dma_put_lch(struct omap_dmadev *od, int lch)  in omap_dma_put_lch()  argument
696 	omap_dma_clear_lch(od, lch);  in omap_dma_put_lch()
698 	clear_bit(lch, od->lch_bitmap);  in omap_dma_put_lch()
1534 	int lch = -1;  in omap_dma_busy()  local
1537 		lch = find_next_bit(od->lch_bitmap, od->lch_count, lch + 1);  in omap_dma_busy()
1538 		if (lch >= od->lch_count)  in omap_dma_busy()
1540 		c = od->lch_map[lch];  in omap_dma_busy()