dmaengine: pl330: fix to support the burst mode (0a18f9b2) · Commits · 戴 / test

drivers/dma/pl330.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -1161,7 +1161,7 @@ static inline int _ldst_devtomem(struct pl330_dmac *pl330, unsigned dry_run,
		if (pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP)
		cond = BURST;
		else
		cond = (pxs->desc->rqcfg.brst_len == 1) ? SINGLE : BURST;
		cond = SINGLE;

		while (cyc--) {
		off += _emit_WFP(dry_run, &buf[off], cond, pxs->desc->peri);
		@@ -1186,8 +1186,7 @@ static inline int _ldst_memtodev(struct pl330_dmac *pl330,
		if (pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP)
		cond = BURST;
		else
		cond = (pxs->desc->rqcfg.brst_len == 1) ? SINGLE : BURST;

		cond = SINGLE;

		while (cyc--) {
		off += _emit_WFP(dry_run, &buf[off], cond, pxs->desc->peri);
		@@ -2598,7 +2597,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(

		desc->rqtype = direction;
		desc->rqcfg.brst_size = pch->burst_sz;
		desc->rqcfg.brst_len = pch->burst_len;
		desc->rqcfg.brst_len = 1;
		desc->bytes_requested = period_len;
		fill_px(&desc->px, dst, src, period_len);

		@@ -2743,7 +2742,7 @@ pl330_prep_slave_sg(struct dma_chan chan, struct scatterlist sgl,
		}

		desc->rqcfg.brst_size = pch->burst_sz;
		desc->rqcfg.brst_len = pch->burst_len;
		desc->rqcfg.brst_len = 1;
		desc->rqtype = direction;
		desc->bytes_requested = sg_dma_len(sg);
		}