[PATCH 1/3] clocksource: rockchip: Make the driver more readability and compatible

Heiko Stübner heiko at sntech.de
Thu Sep 17 02:43:44 PDT 2015


Am Donnerstag, 17. September 2015, 17:28:10 schrieb Caesar Wang:
> >> The problem was different semantics of dsb on btw arm32 and arm64,
> >> Here we can convert the dsb with insteading of dsb(sy).
> > 
> > What happens to ARM32 then ?
> The dsb() is ok for ARM32, the ARM32/64 are OK if we can convert the
> dsb() to dsb(sy).
> I believe all drivers with 'dsb()' have same issue on ARM64 platform.

correct ... I read this up in the ARM docs 2 days ago too for something.

The "sy" param is the default, which you are allow to omit, so on arm32 dsb() 
and dsb(sy) are the same.


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