[PATCH 2/2] ARM: zynq: cpuidle: convert to platform driver

Michal Simek michal.simek at xilinx.com
Fri Sep 27 04:19:34 EDT 2013


On 09/27/2013 10:17 AM, Daniel Lezcano wrote:
> As the ux500 and the kirkwood driver, make the zynq driver a platform driver
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>
> ---
>  arch/arm/mach-zynq/common.c    |    6 ++++++
>  drivers/cpuidle/cpuidle-zynq.c |   13 +++++++++++--
>  2 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
> index 5f25256..9a7bd13 100644
> --- a/arch/arm/mach-zynq/common.c
> +++ b/arch/arm/mach-zynq/common.c
> @@ -44,6 +44,10 @@ static struct of_device_id zynq_of_bus_ids[] __initdata = {
>  	{}
>  };
>  
> +static struct platform_device zynq_cpuidle_device = {
> +	.name = "cpuidle-zynq",
> +};
> +
>  /**
>   * zynq_init_machine - System specific initialization, intended to be
>   *		       called from board specific initialization.
> @@ -56,6 +60,8 @@ static void __init zynq_init_machine(void)
>  	l2x0_of_init(0x02060000, 0xF0F0FFFF);
>  
>  	of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
> +
> +	platform_device_register(&zynq_cpuidle_device);
>  }
>  
>  static void __init zynq_timer_init(void)
> diff --git a/drivers/cpuidle/cpuidle-zynq.c b/drivers/cpuidle/cpuidle-zynq.c
> index ab6c4b4..2ea3ebe 100644
> --- a/drivers/cpuidle/cpuidle-zynq.c
> +++ b/drivers/cpuidle/cpuidle-zynq.c
> @@ -28,6 +28,7 @@
>  #include <linux/init.h>
>  #include <linux/cpu_pm.h>
>  #include <linux/cpuidle.h>
> +#include <linux/platform_device.h>
>  #include <asm/proc-fns.h>
>  #include <asm/cpuidle.h>
>  
> @@ -69,11 +70,19 @@ static struct cpuidle_driver zynq_idle_driver = {
>  };
>  
>  /* Initialize CPU idle by registering the idle states */
> -static int __init zynq_cpuidle_init(void)
> +static int __init zynq_cpuidle_probe(struct platform_device *pdev)
>  {
>  	pr_info("Xilinx Zynq CpuIdle Driver started\n");
>  
>  	return cpuidle_register(&zynq_idle_driver, NULL);
>  }
>  
> -device_initcall(zynq_cpuidle_init);
> +static struct platform_driver zynq_cpuidle_driver = {
> +	.driver = {
> +		.name = "cpuidle-zynq",
> +		.owner = THIS_MODULE,
> +	},
> +	.probe = zynq_cpuidle_probe,
> +};
> +
> +module_platform_driver(zynq_cpuidle_driver);
> 

Acked-by: Michal Simek <michal.simek at xilinx.com>

Thx,
M





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