[PATCH 2/4] ARM: imx: Add cpu frequency scaling support

[Shawn Guo]

On Wed, Dec 18, 2013 at 03:50:54PM -0800, John Tobias wrote:
> Re-using iMX6Q driver for cpu frequency scaling.
> 
> Signed-off-by: John Tobias <john.tobias.ph at gmail.com>
> ---
>  arch/arm/mach-imx/mach-imx6sl.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
> index 2f952e3..a8b1543 100644
> --- a/arch/arm/mach-imx/mach-imx6sl.c
> +++ b/arch/arm/mach-imx/mach-imx6sl.c
> @@ -8,7 +8,6 @@
>   */
>  
>  #include <linux/irqchip.h>
> -#include <linux/of.h>

This is an unrelated change to the patch.

>  #include <linux/of_platform.h>
>  #include <linux/mfd/syscon.h>
>  #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
> @@ -34,6 +33,17 @@ static void __init imx6sl_fec_init(void)
>  	}
>  }
>  
> +static struct platform_device imx6q_cpufreq_pdev = {
> +	.name = "imx6q-cpufreq",
> +};
> +
> +static void __init imx6sl_init_late(void)
> +{
> +	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) {

Unnecessary braces.

> +		platform_device_register(&imx6q_cpufreq_pdev);

Register the device in the following way will save imx6q_cpufreq_pdev.

	platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);

Shawn

> +	}
> +}
> +
>  static void __init imx6sl_init_machine(void)
>  {
>  	struct device *parent;
> @@ -70,6 +80,7 @@ DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
>  	.map_io		= debug_ll_io_init,
>  	.init_irq	= imx6sl_init_irq,
>  	.init_machine	= imx6sl_init_machine,
> +	.init_late      = imx6sl_init_late,
>  	.dt_compat	= imx6sl_dt_compat,
>  	.restart	= mxc_restart,
>  MACHINE_END
> -- 
> 1.8.3.2
>