[PATCH 08/11] fsmc/nand: Use relaxed variants of io accessors

viresh kumar viresh.kumar at linaro.org
Tue Oct 9 13:42:45 EDT 2012


On Tue, Oct 9, 2012 at 4:14 PM, Vipin Kumar <vipin.kumar at st.com> wrote:
> Use relaxed variants of readl/writel accessors. readl/writel io accessors use
> explicit dsb instruction which causes stalls in the processor core resulting
> several cycles of delay for each access
>
> Use relaxed variants where ever possible. This also results in an improved
> read/write performance.

Good change.

Reviewed-by: Viresh Kumar <viresh.kumar at linaro.org>



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