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authorNicolas Pitre <nicolas.pitre@linaro.org>2015-03-17 23:37:58 -0400
committerNicolas Pitre <nicolas.pitre@linaro.org>2015-05-06 11:42:01 -0400
commit905cdf9dda5d89d843667b2f11da2308d1fd1c34 (patch)
tree46754681c2868c7e086595ce9f6905adc169d6c9 /arch/arm/common
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadlinux-905cdf9dda5d89d843667b2f11da2308d1fd1c34.tar.bz2
ARM: hisi/hip04: remove the MCPM overhead
This platform is currently relying on the MCPM infrastructure for no apparent reason. The MCPM concurrency handling brings no benefits here as there is no asynchronous CPU wake-ups to be concerned about (this is used for CPU hotplug and secondary boot only, not for CPU idle). This platform is also different from the other MCPM users because a given CPU can't shut itself down completely without the assistance of another CPU. This is at odds with the on-going MCPM backend refactoring. To simplify things, this is converted to hook directly into the smp_operations callbacks, bypassing the MCPM infrastructure. Tested-by: Wei Xu <xuwei5@hisilicon.com> Cc: Haojian Zhuang <haojian.zhuang@linaro.org> Signed-off-by: Nicolas Pitre <nico@linaro.org>
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