On 1/19/2017 1:37 PM, Alexandre Bailon wrote:
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 <abai...@baylibre.com>
---
drivers/dma/cppi41.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 5a40653..9767b97 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 void init_sched(struct device *dev, struct cppi41_dd *cdd)
I don't see where 'dev' is used...
{
unsigned ch;
unsigned word;
@@ -840,7 +837,7 @@ static void init_sched(struct cppi41_dd *cdd)
word = 0;
cppi_writel(0, cdd->sched_mem + DMA_SCHED_CTRL);
- for (ch = 0; ch < 15 * 2; ch += 2) {
+ for (ch = 0; ch < cdd->n_chans; ch += 2) {
reg = SCHED_ENTRY0_CHAN(ch);
reg |= SCHED_ENTRY1_CHAN(ch) | SCHED_ENTRY1_IS_RX;
@@ -850,7 +847,7 @@ 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);
}
[...]
MBR, Sergei
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