diff options
author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-05-08 23:57:35 +0200 |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2014-05-25 22:21:46 +0200 |
commit | ff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f (patch) | |
tree | 01f1bc8c00038723e573b1c694dd36153da8842d /arch/arm/mach-exynos | |
parent | ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c (diff) | |
download | linux-ff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f.tar.xz linux-ff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f.zip |
ARM: EXYNOS: Move the driver to drivers/cpuidle directory
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r-- | arch/arm/mach-exynos/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-exynos/cpuidle.c | 99 |
2 files changed, 0 insertions, 100 deletions
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 01bc9b94a032..3705048f744a 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_ARCH_EXYNOS) += exynos.o obj-$(CONFIG_PM_SLEEP) += pm.o sleep.o obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o -obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ARCH_EXYNOS) += pmu.o diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c deleted file mode 100644 index 7c0151263828..000000000000 --- a/arch/arm/mach-exynos/cpuidle.c +++ /dev/null @@ -1,99 +0,0 @@ -/* linux/arch/arm/mach-exynos/cpuidle.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/cpuidle.h> -#include <linux/cpu_pm.h> -#include <linux/export.h> -#include <linux/module.h> -#include <linux/platform_device.h> - -#include <asm/proc-fns.h> -#include <asm/suspend.h> -#include <asm/cpuidle.h> - -static void (*exynos_enter_aftr)(void); - -static int idle_finisher(unsigned long flags) -{ - exynos_enter_aftr(); - cpu_do_idle(); - - return 1; -} - -static int exynos_enter_core0_aftr(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - cpu_pm_enter(); - cpu_suspend(0, idle_finisher); - cpu_pm_exit(); - - return index; -} - -static int exynos_enter_lowpower(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - int new_index = index; - - /* AFTR can only be entered when cores other than CPU0 are offline */ - if (num_online_cpus() > 1 || dev->cpu != 0) - new_index = drv->safe_state_index; - - if (new_index == 0) - return arm_cpuidle_simple_enter(dev, drv, new_index); - else - return exynos_enter_core0_aftr(dev, drv, new_index); -} - -static struct cpuidle_driver exynos_idle_driver = { - .name = "exynos_idle", - .owner = THIS_MODULE, - .states = { - [0] = ARM_CPUIDLE_WFI_STATE, - [1] = { - .enter = exynos_enter_lowpower, - .exit_latency = 300, - .target_residency = 100000, - .flags = CPUIDLE_FLAG_TIME_VALID, - .name = "C1", - .desc = "ARM power down", - }, - }, - .state_count = 2, - .safe_state_index = 0, -}; - -static int exynos_cpuidle_probe(struct platform_device *pdev) -{ - int ret; - - exynos_enter_aftr = (void *)(pdev->dev.platform_data); - - ret = cpuidle_register(&exynos_idle_driver, NULL); - if (ret) { - dev_err(&pdev->dev, "failed to register cpuidle driver\n"); - return ret; - } - - return 0; -} - -static struct platform_driver exynos_cpuidle_driver = { - .probe = exynos_cpuidle_probe, - .driver = { - .name = "exynos_cpuidle", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(exynos_cpuidle_driver); |