From: Vinod Koul <vkoul@kernel.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Laxman Dewangan <ldewangan@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>,
dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org,
Sameer Pujar <spujar@nvidia.com>
Subject: Re: [PATCH RESEND] dmaengine: tegra210-adma: Don't program FIFO threshold
Date: Wed, 31 Jul 2019 20:47:41 +0530 [thread overview]
Message-ID: <20190731151741.GU12733@vkoul-mobl.Dlink> (raw)
In-Reply-To: <20190731101639.22755-1-jonathanh@nvidia.com>
On 31-07-19, 11:16, 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.
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2019-07-31 15:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-31 10:16 [PATCH RESEND] dmaengine: tegra210-adma: Don't program FIFO threshold Jon Hunter
2019-07-31 15:17 ` Vinod Koul [this message]
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