[PATCH] ARM: highbank: cpuidle: convert to platform driver
Daniel Lezcano
daniel.lezcano at linaro.org
Fri Sep 27 06:47:45 EDT 2013
As the ux500 and the kirkwood driver, make the calxeda driver a platform driver
[Compiled only]
Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>
---
arch/arm/mach-highbank/highbank.c | 8 ++++++++
drivers/cpuidle/cpuidle-calxeda.c | 18 ++++++++++++------
2 files changed, 20 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8e63ccd..a78ed62 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -25,6 +25,7 @@
#include <linux/of_address.h>
#include <linux/amba/bus.h>
#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
#include <asm/cacheflush.h>
#include <asm/cputype.h>
@@ -153,6 +154,10 @@ static struct notifier_block highbank_platform_nb = {
.notifier_call = highbank_platform_notifier,
};
+static struct platform_device highbank_cpuidle_device = {
+ .name = "cpuidle-calxeda",
+};
+
static void __init highbank_init(void)
{
pm_power_off = highbank_power_off;
@@ -162,6 +167,9 @@ static void __init highbank_init(void)
bus_register_notifier(&amba_bustype, &highbank_amba_nb);
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ if (of_machine_is_compatible("calxeda,highbank"))
+ platform_device_register(&highbank_cpuidle_device);
}
static const char *highbank_match[] __initconst = {
diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c
index 3460584..7b6105b 100644
--- a/drivers/cpuidle/cpuidle-calxeda.c
+++ b/drivers/cpuidle/cpuidle-calxeda.c
@@ -23,10 +23,10 @@
#include <linux/cpuidle.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/of.h>
#include <linux/time.h>
#include <linux/delay.h>
#include <linux/suspend.h>
+#include <linux/platform_device.h>
#include <asm/cpuidle.h>
#include <asm/proc-fns.h>
#include <asm/smp_scu.h>
@@ -88,11 +88,17 @@ static struct cpuidle_driver calxeda_idle_driver = {
.state_count = 2,
};
-static int __init calxeda_cpuidle_init(void)
+static int __init calxeda_cpuidle_probe(struct platform_device *pdev)
{
- if (!of_machine_is_compatible("calxeda,highbank"))
- return -ENODEV;
-
return cpuidle_register(&calxeda_idle_driver, NULL);
}
-module_init(calxeda_cpuidle_init);
+
+static struct platform_driver calxeda_cpuidle_plat_driver = {
+ .driver = {
+ .name = "cpuidle-calxeda",
+ .owner = THIS_MODULE,
+ },
+ .probe = calxeda_cpuidle_probe,
+};
+
+module_platform_driver(calxeda_cpuidle_plat_driver);
--
1.7.9.5
More information about the linux-arm-kernel
mailing list