On 10/25/2012 03:49 PM, Peter De Schrijver wrote: > On Fri, Oct 19, 2012 at 12:10:45PM +0200, Daniel Lezcano wrote: >> The discussion about having different cpus on the system with >> different latencies bring us to a first attemp by adding a >> pointer in the cpuidle_device to the states array. >> >> But as Rafael suggested, it would make more sense to create a >> driver per cpu [1]. >> >> This patch adds support for multiple cpuidle drivers. >> >> It creates a per cpu cpuidle driver pointer. >> >> In order to not break the different drivers, the function >> cpuidle_register_driver >> assign for each cpu, the driver. >> >> The multiple driver support is optional and if it is not set, the cpuide >> driver >> core code remains the same (except some code reorganisation). >> >> I did the following tests compiled, booted, tested without/with >> CONFIG_CPU_IDLE, >> with/without CONFIG_CPU_IDLE_MULTIPLE_DRIVERS. >> >> Tested on Core2 Duo T9500 with acpi_idle [and intel_idle] >> Tested on ARM Dual Cortex-A9 U8500 (aka Snowball) >> >> V1 tested on Tegra3 and Vexpress TC2 >> > > V2 tested on Tegra3.
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