[PATCH 2/3] arm64: Add big.LITTLE switcher stub

Catalin Marinas catalin.marinas at arm.com
Fri May 9 10:47:38 PDT 2014

On Fri, May 09, 2014 at 05:40:30PM +0100, Mark Brown wrote:
> From: Mark Brown <broonie at linaro.org>
> The big.LITTLE cpufreq driver is useful on arm64 big.LITTLE systems even
> without IKS support since it implements support for clusters with shared
> clocks (a common big.LITTLE configuration). In order to allow it to be
> built provide the non-IKS stubs for arm64, enabling cpufreq with all the
> cores available.

Have you thought of patching the actual cpufreq driver? Are you adding
this code just to avoid compiler errors on arm64 with this driver?

> It may make sense to make an asm-generic version of these stubs instead

asm-generic/bL_switcher.h? I take it as a good joke ;)

> but
> given that there's only likely to be these two architectures using the code
> and asm-generic stubs also need per architecture updates it's probably more
> trouble than it's worth.



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