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ARM: zynq: cpuidle: convert to platform driver 

As the ux500 and the kirkwood driver, make the zynq driver a platform driver

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
This commit is contained in:
Daniel Lezcano 2013-09-21 18:41:02 +02:00
parent 4aa88fbe6d
commit 3e8ceca6c7
2 changed files with 17 additions and 2 deletions
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6
arch/arm/mach-zynq/common.c
View File

@ -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 * zynq_init_machine - System specific initialization, intended to be
* called from board specific initialization. * called from board specific initialization.
@ -56,6 +60,8 @@ static void __init zynq_init_machine(void)
l2x0_of_init(0x02060000, 0xF0F0FFFF); l2x0_of_init(0x02060000, 0xF0F0FFFF);
of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL); of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
platform_device_register(&zynq_cpuidle_device);
} }
static void __init zynq_timer_init(void) static void __init zynq_timer_init(void)

13
drivers/cpuidle/cpuidle-zynq.c
View File

@ -28,6 +28,7 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/cpu_pm.h> #include <linux/cpu_pm.h>
#include <linux/cpuidle.h> #include <linux/cpuidle.h>
#include <linux/platform_device.h>
#include <asm/proc-fns.h> #include <asm/proc-fns.h>
#include <asm/cpuidle.h> #include <asm/cpuidle.h>
@ -69,11 +70,19 @@ static struct cpuidle_driver zynq_idle_driver = {
}; };
/* Initialize CPU idle by registering the idle states */ /* Initialize CPU idle by registering the idle states */
static int __init zynq_cpuidle_init(void) static int zynq_cpuidle_probe(struct platform_device *pdev)
{ {
pr_info("Xilinx Zynq CpuIdle Driver started\n"); pr_info("Xilinx Zynq CpuIdle Driver started\n");
return cpuidle_register(&zynq_idle_driver, NULL); 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);