diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-07-10 13:35:26 (GMT) |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-07-27 05:56:38 (GMT) |
| commit | 8025395f39c97e332362c24f7c33c86acdd4cd90 (patch) | |
| tree | 4e39d88e50db21fd6b0378556022cafba7785b40 | |
| parent | 7006b8a1facc5dcafb2afa27a1209d924f99a2eb (diff) | |
| download | linux-fsl-qoriq-8025395f39c97e332362c24f7c33c86acdd4cd90.tar.xz | |
ARM: ux500: cpuidle: Instantiate the driver from platform device
To break the dependency on the "id.h" file we move the cpuidle driver
to a platform device. Now we only call the probe() on this driver if
we find a corresponding platform device (which is spawned from the
PRCMU MFD driver).
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
| -rw-r--r-- | arch/arm/mach-ux500/cpuidle.c | 17 | ||||
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 4 |
2 files changed, 15 insertions, 6 deletions
diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c index a45dd09..c0cb37c 100644 --- a/arch/arm/mach-ux500/cpuidle.c +++ b/arch/arm/mach-ux500/cpuidle.c @@ -16,12 +16,12 @@ #include <linux/smp.h> #include <linux/mfd/dbx500-prcmu.h> #include <linux/platform_data/arm-ux500-pm.h> +#include <linux/platform_device.h> #include <asm/cpuidle.h> #include <asm/proc-fns.h> #include "db8500-regs.h" -#include "id.h" static atomic_t master = ATOMIC_INIT(0); static DEFINE_SPINLOCK(master_lock); @@ -113,11 +113,8 @@ static struct cpuidle_driver ux500_idle_driver = { .state_count = 2, }; -int __init ux500_idle_init(void) +static int __init dbx500_cpuidle_probe(struct platform_device *pdev) { - if (!(cpu_is_u8500_family() || cpu_is_ux540_family())) - return -ENODEV; - /* Configure wake up reasons */ prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) | PRCMU_WAKEUP(ABB)); @@ -125,4 +122,12 @@ int __init ux500_idle_init(void) return cpuidle_register(&ux500_idle_driver, NULL); } -device_initcall(ux500_idle_init); +static struct platform_driver dbx500_cpuidle_plat_driver = { + .driver = { + .name = "cpuidle-dbx500", + .owner = THIS_MODULE, + }, + .probe = dbx500_cpuidle_probe, +}; + +module_platform_driver(dbx500_cpuidle_plat_driver); diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 3c157fa..0d68eb1 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -3094,6 +3094,10 @@ static struct mfd_cell db8500_prcmu_devs[] = { .pdata_size = sizeof(db8500_cpufreq_table), }, { + .name = "cpuidle-dbx500", + .of_compatible = "stericsson,cpuidle-dbx500", + }, + { .name = "db8500-thermal", .num_resources = ARRAY_SIZE(db8500_thsens_resources), .resources = db8500_thsens_resources, |