diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 21:15:51 +0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 21:15:51 +0400 |
commit | c7c66c0cb0c77b1a8edf09bca57d922312d58030 (patch) | |
tree | 77277103c5f16aa4dee64978a060933d92e14776 /arch/arm/mach-exynos/dev-pd.c | |
parent | 9f3938346a5c1fa504647670edb5fea5756cfb00 (diff) | |
parent | 98e8bdafeb4728a6af7bbcbcc3984967d1cf2bc1 (diff) | |
download | linux-c7c66c0cb0c77b1a8edf09bca57d922312d58030.tar.xz |
Merge tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates for 3.4 from Rafael Wysocki:
"Assorted extensions and fixes including:
* Introduction of early/late suspend/hibernation device callbacks.
* Generic PM domains extensions and fixes.
* devfreq updates from Axel Lin and MyungJoo Ham.
* Device PM QoS updates.
* Fixes of concurrency problems with wakeup sources.
* System suspend and hibernation fixes."
* tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (43 commits)
PM / Domains: Check domain status during hibernation restore of devices
PM / devfreq: add relation of recommended frequency.
PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
PM / shmobile: Make CMT driver use pm_genpd_dev_always_on()
PM / shmobile: Make TMU driver use pm_genpd_dev_always_on()
PM / Domains: Introduce "always on" device flag
PM / Domains: Fix hibernation restore of devices, v2
PM / Domains: Fix handling of wakeup devices during system resume
sh_mmcif / PM: Use PM QoS latency constraint
tmio_mmc / PM: Use PM QoS latency constraint
PM / QoS: Make it possible to expose PM QoS latency constraints
PM / Sleep: JBD and JBD2 missing set_freezable()
PM / Domains: Fix include for PM_GENERIC_DOMAINS=n case
PM / Freezer: Remove references to TIF_FREEZE in comments
PM / Sleep: Add more wakeup source initialization routines
PM / Hibernate: Enable usermodehelpers in hibernate() error path
PM / Sleep: Make __pm_stay_awake() delete wakeup source timers
PM / Sleep: Fix race conditions related to wakeup source timer function
PM / Sleep: Fix possible infinite loop during wakeup source destruction
PM / Hibernate: print physical addresses consistently with other parts of kernel
...
Diffstat (limited to 'arch/arm/mach-exynos/dev-pd.c')
-rw-r--r-- | arch/arm/mach-exynos/dev-pd.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/arm/mach-exynos/dev-pd.c b/arch/arm/mach-exynos/dev-pd.c deleted file mode 100644 index 3273f25d6a75..000000000000 --- a/arch/arm/mach-exynos/dev-pd.c +++ /dev/null @@ -1,139 +0,0 @@ -/* linux/arch/arm/mach-exynos4/dev-pd.c - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * EXYNOS4 - Power Domain support - * - * 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/io.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/delay.h> - -#include <mach/regs-pmu.h> - -#include <plat/pd.h> - -static int exynos4_pd_enable(struct device *dev) -{ - struct samsung_pd_info *pdata = dev->platform_data; - u32 timeout; - - __raw_writel(S5P_INT_LOCAL_PWR_EN, pdata->base); - - /* Wait max 1ms */ - timeout = 10; - while ((__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN) - != S5P_INT_LOCAL_PWR_EN) { - if (timeout == 0) { - printk(KERN_ERR "Power domain %s enable failed.\n", - dev_name(dev)); - return -ETIMEDOUT; - } - timeout--; - udelay(100); - } - - return 0; -} - -static int exynos4_pd_disable(struct device *dev) -{ - struct samsung_pd_info *pdata = dev->platform_data; - u32 timeout; - - __raw_writel(0, pdata->base); - - /* Wait max 1ms */ - timeout = 10; - while (__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN) { - if (timeout == 0) { - printk(KERN_ERR "Power domain %s disable failed.\n", - dev_name(dev)); - return -ETIMEDOUT; - } - timeout--; - udelay(100); - } - - return 0; -} - -struct platform_device exynos4_device_pd[] = { - { - .name = "samsung-pd", - .id = 0, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_MFC_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 1, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_G3D_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 2, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_LCD0_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 3, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_LCD1_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 4, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_TV_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 5, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_CAM_CONF, - }, - }, - }, { - .name = "samsung-pd", - .id = 6, - .dev = { - .platform_data = &(struct samsung_pd_info) { - .enable = exynos4_pd_enable, - .disable = exynos4_pd_disable, - .base = S5P_PMU_GPS_CONF, - }, - }, - }, -}; |