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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 21:15:51 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 21:15:51 +0400
commitc7c66c0cb0c77b1a8edf09bca57d922312d58030 (patch)
tree77277103c5f16aa4dee64978a060933d92e14776 /arch/arm/mach-exynos/dev-pd.c
parent9f3938346a5c1fa504647670edb5fea5756cfb00 (diff)
parent98e8bdafeb4728a6af7bbcbcc3984967d1cf2bc1 (diff)
downloadlinux-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.c139
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,
- },
- },
- },
-};