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authorDaniel Lezcano <daniel.lezcano@linaro.org>2014-05-09 06:57:35 +0900
committerKukjin Kim <kgene.kim@samsung.com>2014-05-26 05:21:46 +0900
commitff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f (patch)
tree01f1bc8c00038723e573b1c694dd36153da8842d /arch/arm/mach-exynos
parentce4305d2a5ad76d80c8edfd2f847ae34bcda32ab (diff)
downloadop-kernel-dev-ff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f.zip
op-kernel-dev-ff6a9c039dc7da12fcfc70c28ccc9893d85f8e1f.tar.gz
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/Makefile1
-rw-r--r--arch/arm/mach-exynos/cpuidle.c99
2 files changed, 0 insertions, 100 deletions
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 01bc9b9..3705048 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 7c01512..0000000
--- 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);
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