Re: [PATCH v2 6/7] dmaengine: cppi41: init_sched(): Get number of channels from DT

Despite the driver is already using DT to get the number of channels,
init_sched() is using an hardcoded value to get it.
Use DT to get the number of channels.

Signed-off-by: Alexandre Bailon <abailon-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
---
 drivers/dma/cppi41.c | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 3b2f57f..303ccee 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c

@@ -832,7 +829,7 @@ static int init_descs(struct device *dev, struct cppi41_dd *cdd)
 	return 0;
 }

-static void init_sched(struct cppi41_dd *cdd)
+static int init_sched(struct device *dev, struct cppi41_dd *cdd)
 {
 	unsigned ch;
 	unsigned word;

@@ -850,9 +847,11 @@ static void init_sched(struct cppi41_dd *cdd)
 		cppi_writel(reg, cdd->sched_mem + DMA_SCHED_WORD(word));
 		word++;
 	}
-	reg = 15 * 2 * 2 - 1;
+	reg = cdd->n_chans * 2 - 1;
 	reg |= DMA_SCHED_CTRL_EN;
 	cppi_writel(reg, cdd->sched_mem + DMA_SCHED_CTRL);
+
+	return 0;
 }

 static int init_cppi41(struct device *dev, struct cppi41_dd *cdd)

@@ -871,12 +870,14 @@ static int init_cppi41(struct device *dev, struct cppi41_dd *cdd)

 	ret = init_descs(dev, cdd);
 	if (ret)
-		goto err_td;
+		goto deinit;

 	cppi_writel(cdd->td_queue.submit, cdd->ctrl_mem + DMA_TDFDQ);
-	init_sched(cdd);
+	ret = init_sched(dev, cdd);
+	if (ret)