[PATCH v2 05/14] arm: common: edma: Select event queue 1 as default when booted with DT
Sekhar Nori
nsekhar at ti.com
Fri Apr 11 01:17:01 PDT 2014
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 at ti.com>
Acked-by: Sekhar Nori <nsekhar at ti.com>
> ---
> 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
More information about the linux-arm-kernel
mailing list