Re: [PATCH v2 05/14] arm: common: edma: Select event queue 1 as default when booted with DT

From: Sekhar Nori
Date: Fri Apr 11 2014 - 04:17:46 EST


On Tuesday 01 April 2014 06:36 PM, Peter Ujfalusi wrote:
> Use the EVENTQ_1 for default and leave the EVENTQ_0 to be used by high
> priority channels, like audio.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>

Acked-by: Sekhar Nori <nsekhar@xxxxxx>

> ---
> arch/arm/common/edma.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
> index 86a8b263278f..19520e2519d9 100644
> --- a/arch/arm/common/edma.c
> +++ b/arch/arm/common/edma.c
> @@ -1546,7 +1546,8 @@ static int edma_of_parse_dt(struct device *dev,
>
> pdata->queue_priority_mapping = queue_priority_map;
>
> - pdata->default_queue = 0;
> + /* select queue 1 as default */

It will be nice to expand the comment with explanation of why this is
being chosen as default (lower priority queue by default for typical
bulk data transfer).

Thanks,
Sekhar

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