[PATCH v5] cpufreq: powerpc: Add cpufreq driver for Freescale e500mc SoCs

Viresh Kumar viresh.kumar at linaro.org
Wed Jun 5 20:36:29 EST 2013


On 5 June 2013 15:00,  <Yuantian.Tang at freescale.com> wrote:
> From: Tang Yuantian <yuantian.tang at freescale.com>
>
> Add cpufreq driver for Freescale e500mc, e5500 and e6500 SoCs
> which are capable of changing the CPU frequency dynamically
>
> Signed-off-by: Tang Yuantian <Yuantian.Tang at freescale.com>
> Signed-off-by: Li Yang <leoli at freescale.com>
> ---
> v5:
>         - enhance the CPU hotplug case
>         - mask the disallowed CPU frequencies
>         - remove freqs.cpu = policy->cpu;
>         - refine the code style
> v4:
>         - rebase on bleeding-edge branch of Rafael's linux-pm.git
>         - #define pr_fmt() for better debug prints
>         - use newest cpufreq_notify_transition()
>         - support CPU hotplug
>         - remove table[i].index as it is not used
>         - remove cpus_per_cluster
> v3:
>         - change sizeof(struct name).. to sizeof(*p)
>         - remove the struct cpufreq_data, use global variable instead
>         - resolve setting policy->cpus incorrectly
>         - add CPUFREQ_POSTCHANGE notifier when setting frequency error
> v2:
>         - add depends on OF and COMMON_CLK in Kconfig
>         - use clk.h instead of clk-provider.h
>         - change per_cpu variable from struct to pointer
>
>  drivers/cpufreq/Kconfig.powerpc       |  10 +
>  drivers/cpufreq/Makefile              |   1 +
>  drivers/cpufreq/ppc-corenet-cpufreq.c | 380 ++++++++++++++++++++++++++++++++++
>  3 files changed, 391 insertions(+)
>  create mode 100644 drivers/cpufreq/ppc-corenet-cpufreq.c

I haven't gone for a very deep review this time and it looked okay.

Acked-by: Viresh Kumar <viresh.kumar at linaro.org>


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