[PATCH v5 3/3] ARM: shmobile: sh73a0: add CPUFreq support

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Fri Apr 5 12:07:34 EDT 2013


On 05-04-2013 14:00, Guennadi Liakhovetski wrote:

> This patch enables the use of the generic cpufreq-cpu0 driver on sh73a0.
> Providing a regulator, a list of OPPs in DT, combined with a virtual
> cpufreq-cpu0 platform device and a clock, attached to it is everything,
> the cpufreq-cpu0 driver needs. The first sh73a0 platform, implementing
> such CPUFreq support is kzm9g-reference.

> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas at gmail.com>
> ---

> v5: remove sh73a0-kzm9g-reference.dts hunk, it's now merged into patch 2/3

>   arch/arm/mach-shmobile/Kconfig        |    2 ++
>   arch/arm/mach-shmobile/setup-sh73a0.c |    5 +++++
>   2 files changed, 7 insertions(+), 0 deletions(-)

> diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
> index 1a517e2..4ac5bf9 100644
> --- a/arch/arm/mach-shmobile/Kconfig
> +++ b/arch/arm/mach-shmobile/Kconfig
[...]
> diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
> index d10ded0..9a522f9 100644
> --- a/arch/arm/mach-shmobile/setup-sh73a0.c
> +++ b/arch/arm/mach-shmobile/setup-sh73a0.c
> @@ -1003,6 +1003,8 @@ static const struct of_dev_auxdata sh73a0_auxdata_lookup[] __initconst = {
>
>   void __init sh73a0_add_standard_devices_dt(void)
>   {
> +	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", .id = -1, };

    With NULL .parent? Shouldn't it be 'platform_bus'?

WBR, Sergei




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