diff mbox series

[v1,2/6] dmaengine: mcf-edma: update to 'dmamux_nr'

Message ID 1557512248-8440-3-git-send-email-yibin.gong@nxp.com (mailing list archive)
State Changes Requested
Headers show
Series add edma2 for i.mx7ulp | expand

Commit Message

Robin Gong May 10, 2019, 10:14 a.m. UTC 
Update to 'dmamux_nr' instead of static macro DMAMUX_NR since
new version edma only has one dmamux.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
---
 drivers/dma/fsl-edma-common.c | 2 +-
 drivers/dma/mcf-edma.c        | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index 680b2a0..c9a17fc 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -84,7 +84,7 @@  void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan,
 	void __iomem *muxaddr;
 	unsigned int chans_per_mux, ch_off;
 
-	chans_per_mux = fsl_chan->edma->n_chans / DMAMUX_NR;
+	chans_per_mux = fsl_chan->edma->n_chans / fsl_chan->edma->dmamux_nr;
 	ch_off = fsl_chan->vchan.chan.chan_id % chans_per_mux;
 	muxaddr = fsl_chan->edma->muxbase[ch / chans_per_mux];
 	slot = EDMAMUX_CHCFG_SOURCE(slot);
diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c
index 7de54b2f..4484190 100644
--- a/drivers/dma/mcf-edma.c
+++ b/drivers/dma/mcf-edma.c
@@ -189,6 +189,7 @@  static int mcf_edma_probe(struct platform_device *pdev)
 
 	/* Set up version for ColdFire edma */
 	mcf_edma->version = v2;
+	mcf_edma->dmamux_nr = DMAMUX_NR;
 	mcf_edma->big_endian = 1;
 
 	if (!mcf_edma->n_chans) {