Re: [PATCH] dmaengine: tegra210-adma: Don't program FIFO threshold

[Thierry Reding <thierry.reding@gmail.com>]

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On Thu, Jun 20, 2019 at 08:54:24AM +0100, Jon Hunter wrote:
> From: Jonathan Hunter <jonathanh@nvidia.com>
> 
> The Tegra210 ADMA supports two modes for transferring data to a FIFO
> which are ...
> 
> 1. Transfer data to/from the FIFO as soon as a single burst can be
>    transferred.
> 2. Transfer data to/from the FIFO based upon FIFO thresholds, where
>    the FIFO threshold is specified in terms on multiple bursts.
> 
> Currently, the ADMA driver programs the FIFO threshold values in the
> FIFO_CTRL register, but never enables the transfer mode that uses
> these threshold values. Given that these have never been used so far,
> simplify the ADMA driver by removing the programming of these threshold
> values.
> 
> Signed-off-by: Jonathan Hunter <jonathanh@nvidia.com>
> ---
>  drivers/dma/tegra210-adma.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)

Acked-by: Thierry Reding <treding@nvidia.com>

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