Re: [PATCH v1] dmaengine: tegra: Use relaxed versions of readl/writel

Vinod Koul
2019-04-26T12:01:56Z

On 25-04-19, 02:17, Dmitry Osipenko wrote:
> The readl/writel functions are inserting memory barrier in order to
> ensure that memory stores are completed. On Tegra20 and Tegra30 this
> results in L2 cache syncing which isn't a cheapest operation. The
> tegra20-apb-dma driver doesn't need to synchronize generic memory
> accesses, hence use the relaxed versions of the functions.

Subsystem name is **dmaengine** not dma! Please fix that
--
~Vinod