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 <abailon@xxxxxxxxxxxx> --- 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); }
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