Messages in this thread | | | Date | Fri, 26 Apr 2019 18:17:48 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v1] dmaengine: tegra: Use relaxed versions of readl/writel |
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On 26-04-19, 15:19, Dmitry Osipenko wrote: > 26.04.2019 15:01, Vinod Koul пишет: > > 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 > > > > Looks like you answered to a wrong email.
Yes looks like I did, apologies for that :(
-- ~Vinod
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