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

[Heiko Stübner]

Hi,

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.


Heiko
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/