Messages in this thread | | | Date | Fri, 26 Apr 2019 17:31:48 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v1] dmaengine: tegra: Use relaxed versions of readl/writel |
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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
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