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-rw-r--r--Documentation/power/runtime_pm.txt14
-rw-r--r--arch/ia64/hp/common/sba_iommu.c2
-rw-r--r--arch/ia64/include/asm/pci.h2
-rw-r--r--arch/ia64/pci/pci.c6
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c4
-rw-r--r--arch/x86/include/asm/pci.h2
-rw-r--r--arch/x86/include/uapi/asm/msr-index.h2
-rw-r--r--arch/x86/pci/acpi.c4
-rw-r--r--drivers/acpi/Kconfig11
-rw-r--r--drivers/acpi/ac.c15
-rw-r--r--drivers/acpi/acpi_lpss.c9
-rw-r--r--drivers/acpi/acpi_platform.c2
-rw-r--r--drivers/acpi/blacklist.c35
-rw-r--r--drivers/acpi/device_pm.c14
-rw-r--r--drivers/acpi/ec.c3
-rw-r--r--drivers/acpi/glue.c53
-rw-r--r--drivers/acpi/pci_root.c1
-rw-r--r--drivers/acpi/scan.c14
-rw-r--r--drivers/acpi/video.c87
-rw-r--r--drivers/ata/libata-acpi.c4
-rw-r--r--drivers/base/platform.c4
-rw-r--r--drivers/base/power/main.c3
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c3
-rw-r--r--drivers/cpufreq/cpufreq_governor.c4
-rw-r--r--drivers/cpufreq/omap-cpufreq.c1
-rw-r--r--drivers/gpio/gpiolib.c1
-rw-r--r--drivers/gpu/drm/i915/intel_acpi.c2
-rw-r--r--drivers/gpu/drm/i915/intel_opregion.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/mxm/base.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_acpi.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon_atpx_handler.c7
-rw-r--r--drivers/gpu/drm/radeon/radeon_bios.c2
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c2
-rw-r--r--drivers/i2c/i2c-core.c25
-rw-r--r--drivers/ide/ide-acpi.c5
-rw-r--r--drivers/idle/intel_idle.c24
-rw-r--r--drivers/mmc/core/sdio_bus.c3
-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c2
-rw-r--r--drivers/pci/hotplug/acpiphp.h1
-rw-r--r--drivers/pci/hotplug/pciehp_acpi.c4
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c8
-rw-r--r--drivers/pci/ioapic.c2
-rw-r--r--drivers/pci/pci-acpi.c6
-rw-r--r--drivers/pci/pci-label.c6
-rw-r--r--drivers/platform/x86/apple-gmux.c2
-rw-r--r--drivers/pnp/pnpacpi/core.c10
-rw-r--r--drivers/spi/spi.c19
-rw-r--r--drivers/usb/core/hub.c2
-rw-r--r--drivers/usb/core/usb-acpi.c4
-rw-r--r--drivers/xen/pci.c6
-rw-r--r--include/acpi/acpi_bus.h2
-rw-r--r--include/linux/acpi.h23
-rw-r--r--include/linux/device.h12
-rw-r--r--include/linux/pci-acpi.h4
-rw-r--r--kernel/power/snapshot.c3
-rw-r--r--kernel/power/user.c1
-rw-r--r--tools/power/x86/turbostat/turbostat.c197
58 files changed, 374 insertions, 328 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 0f54333b0ff2..b6ce00b2be9a 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -547,13 +547,11 @@ helper functions described in Section 4. In that case, pm_runtime_resume()
547should be used. Of course, for this purpose the device's runtime PM has to be 547should be used. Of course, for this purpose the device's runtime PM has to be
548enabled earlier by calling pm_runtime_enable(). 548enabled earlier by calling pm_runtime_enable().
549 549
550If the device bus type's or driver's ->probe() callback runs 550It may be desirable to suspend the device once ->probe() has finished.
551pm_runtime_suspend() or pm_runtime_idle() or their asynchronous counterparts, 551Therefore the driver core uses the asyncronous pm_request_idle() to submit a
552they will fail returning -EAGAIN, because the device's usage counter is 552request to execute the subsystem-level idle callback for the device at that
553incremented by the driver core before executing ->probe(). Still, it may be 553time. A driver that makes use of the runtime autosuspend feature, may want to
554desirable to suspend the device as soon as ->probe() has finished, so the driver 554update the last busy mark before returning from ->probe().
555core uses pm_runtime_put_sync() to invoke the subsystem-level idle callback for
556the device at that time.
557 555
558Moreover, the driver core prevents runtime PM callbacks from racing with the bus 556Moreover, the driver core prevents runtime PM callbacks from racing with the bus
559notifier callback in __device_release_driver(), which is necessary, because the 557notifier callback in __device_release_driver(), which is necessary, because the
@@ -656,7 +654,7 @@ out the following operations:
656 __pm_runtime_disable() with 'false' as the second argument for every device 654 __pm_runtime_disable() with 'false' as the second argument for every device
657 right before executing the subsystem-level .suspend_late() callback for it. 655 right before executing the subsystem-level .suspend_late() callback for it.
658 656
659 * During system resume it calls pm_runtime_enable() and pm_runtime_put_sync() 657 * During system resume it calls pm_runtime_enable() and pm_runtime_put()
660 for every device right after executing the subsystem-level .resume_early() 658 for every device right after executing the subsystem-level .resume_early()
661 callback and right after executing the subsystem-level .resume() callback 659 callback and right after executing the subsystem-level .resume() callback
662 for it, respectively. 660 for it, respectively.
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index d43daf192b21..4c530a82fc46 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1992,7 +1992,7 @@ sba_connect_bus(struct pci_bus *bus)
1992 if (PCI_CONTROLLER(bus)->iommu) 1992 if (PCI_CONTROLLER(bus)->iommu)
1993 return; 1993 return;
1994 1994
1995 handle = PCI_CONTROLLER(bus)->acpi_handle; 1995 handle = acpi_device_handle(PCI_CONTROLLER(bus)->companion);
1996 if (!handle) 1996 if (!handle)
1997 return; 1997 return;
1998 1998
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 80775f55f03f..71fbaaa495cc 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -95,7 +95,7 @@ struct iospace_resource {
95}; 95};
96 96
97struct pci_controller { 97struct pci_controller {
98 void *acpi_handle; 98 struct acpi_device *companion;
99 void *iommu; 99 void *iommu;
100 int segment; 100 int segment;
101 int node; /* nearest node with memory or -1 for global allocation */ 101 int node; /* nearest node with memory or -1 for global allocation */
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 2326790b7d8b..9e4938d8ca4d 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -436,9 +436,9 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
436 if (!controller) 436 if (!controller)
437 return NULL; 437 return NULL;
438 438
439 controller->acpi_handle = device->handle; 439 controller->companion = device;
440 440
441 pxm = acpi_get_pxm(controller->acpi_handle); 441 pxm = acpi_get_pxm(device->handle);
442#ifdef CONFIG_NUMA 442#ifdef CONFIG_NUMA
443 if (pxm >= 0) 443 if (pxm >= 0)
444 controller->node = pxm_to_node(pxm); 444 controller->node = pxm_to_node(pxm);
@@ -489,7 +489,7 @@ int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
489{ 489{
490 struct pci_controller *controller = bridge->bus->sysdata; 490 struct pci_controller *controller = bridge->bus->sysdata;
491 491
492 ACPI_HANDLE_SET(&bridge->dev, controller->acpi_handle); 492 ACPI_COMPANION_SET(&bridge->dev, controller->companion);
493 return 0; 493 return 0;
494} 494}
495 495
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index b1725398b5af..0640739cc20c 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -132,7 +132,7 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
132 struct acpi_resource_vendor_typed *vendor; 132 struct acpi_resource_vendor_typed *vendor;
133 133
134 134
135 handle = PCI_CONTROLLER(bus)->acpi_handle; 135 handle = acpi_device_handle(PCI_CONTROLLER(bus)->companion);
136 status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS, 136 status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
137 &sn_uuid, &buffer); 137 &sn_uuid, &buffer);
138 if (ACPI_FAILURE(status)) { 138 if (ACPI_FAILURE(status)) {
@@ -360,7 +360,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
360 acpi_status status; 360 acpi_status status;
361 struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; 361 struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
362 362
363 rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle; 363 rootbus_handle = acpi_device_handle(PCI_CONTROLLER(dev)->companion);
364 status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL, 364 status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL,
365 &segment); 365 &segment);
366 if (ACPI_SUCCESS(status)) { 366 if (ACPI_SUCCESS(status)) {
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 7d7443283a9d..947b5c417e83 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -15,7 +15,7 @@ struct pci_sysdata {
15 int domain; /* PCI domain */ 15 int domain; /* PCI domain */
16 int node; /* NUMA node */ 16 int node; /* NUMA node */
17#ifdef CONFIG_ACPI 17#ifdef CONFIG_ACPI
18 void *acpi; /* ACPI-specific data */ 18 struct acpi_device *companion; /* ACPI companion device */
19#endif 19#endif
20#ifdef CONFIG_X86_64 20#ifdef CONFIG_X86_64
21 void *iommu; /* IOMMU private data */ 21 void *iommu; /* IOMMU private data */
diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h
index b93e09a0fa21..37813b5ddc37 100644
--- a/arch/x86/include/uapi/asm/msr-index.h
+++ b/arch/x86/include/uapi/asm/msr-index.h
@@ -147,6 +147,8 @@
147#define MSR_PP1_ENERGY_STATUS 0x00000641 147#define MSR_PP1_ENERGY_STATUS 0x00000641
148#define MSR_PP1_POLICY 0x00000642 148#define MSR_PP1_POLICY 0x00000642
149 149
150#define MSR_CORE_C1_RES 0x00000660
151
150#define MSR_AMD64_MC0_MASK 0xc0010044 152#define MSR_AMD64_MC0_MASK 0xc0010044
151 153
152#define MSR_IA32_MCx_CTL(x) (MSR_IA32_MC0_CTL + 4*(x)) 154#define MSR_IA32_MCx_CTL(x) (MSR_IA32_MC0_CTL + 4*(x))
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 7fb24e53d4c8..4f25ec077552 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -518,7 +518,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
518 sd = &info->sd; 518 sd = &info->sd;
519 sd->domain = domain; 519 sd->domain = domain;
520 sd->node = node; 520 sd->node = node;
521 sd->acpi = device->handle; 521 sd->companion = device;
522 /* 522 /*
523 * Maybe the desired pci bus has been already scanned. In such case 523 * Maybe the desired pci bus has been already scanned. In such case
524 * it is unnecessary to scan the pci bus with the given domain,busnum. 524 * it is unnecessary to scan the pci bus with the given domain,busnum.
@@ -589,7 +589,7 @@ int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
589{ 589{
590 struct pci_sysdata *sd = bridge->bus->sysdata; 590 struct pci_sysdata *sd = bridge->bus->sysdata;
591 591
592 ACPI_HANDLE_SET(&bridge->dev, sd->acpi); 592 ACPI_COMPANION_SET(&bridge->dev, sd->companion);
593 return 0; 593 return 0;
594} 594}
595 595
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index c95df0b8c880..5d9248526d78 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -235,17 +235,6 @@ config ACPI_INITRD_TABLE_OVERRIDE
235 initrd, therefore it's safe to say Y. 235 initrd, therefore it's safe to say Y.
236 See Documentation/acpi/initrd_table_override.txt for details 236 See Documentation/acpi/initrd_table_override.txt for details
237 237
238config ACPI_BLACKLIST_YEAR
239 int "Disable ACPI for systems before Jan 1st this year" if X86_32
240 default 0
241 help
242 Enter a 4-digit year, e.g., 2001, to disable ACPI by default
243 on platforms with DMI BIOS date before January 1st that year.
244 "acpi=force" can be used to override this mechanism.
245
246 Enter 0 to disable this mechanism and allow ACPI to
247 run by default no matter what the year. (default)
248
249config ACPI_DEBUG 238config ACPI_DEBUG
250 bool "Debug Statements" 239 bool "Debug Statements"
251 default n 240 default n
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index b9f0d5f4bba5..8711e3797165 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -56,7 +56,6 @@ static int ac_sleep_before_get_state_ms;
56 56
57struct acpi_ac { 57struct acpi_ac {
58 struct power_supply charger; 58 struct power_supply charger;
59 struct acpi_device *adev;
60 struct platform_device *pdev; 59 struct platform_device *pdev;
61 unsigned long long state; 60 unsigned long long state;
62}; 61};
@@ -70,8 +69,9 @@ struct acpi_ac {
70static int acpi_ac_get_state(struct acpi_ac *ac) 69static int acpi_ac_get_state(struct acpi_ac *ac)
71{ 70{
72 acpi_status status; 71 acpi_status status;
72 acpi_handle handle = ACPI_HANDLE(&ac->pdev->dev);
73 73
74 status = acpi_evaluate_integer(ac->adev->handle, "_PSR", NULL, 74 status = acpi_evaluate_integer(handle, "_PSR", NULL,
75 &ac->state); 75 &ac->state);
76 if (ACPI_FAILURE(status)) { 76 if (ACPI_FAILURE(status)) {
77 ACPI_EXCEPTION((AE_INFO, status, 77 ACPI_EXCEPTION((AE_INFO, status,
@@ -119,6 +119,7 @@ static enum power_supply_property ac_props[] = {
119static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data) 119static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
120{ 120{
121 struct acpi_ac *ac = data; 121 struct acpi_ac *ac = data;
122 struct acpi_device *adev;
122 123
123 if (!ac) 124 if (!ac)
124 return; 125 return;
@@ -141,10 +142,11 @@ static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
141 msleep(ac_sleep_before_get_state_ms); 142 msleep(ac_sleep_before_get_state_ms);
142 143
143 acpi_ac_get_state(ac); 144 acpi_ac_get_state(ac);
144 acpi_bus_generate_netlink_event(ac->adev->pnp.device_class, 145 adev = ACPI_COMPANION(&ac->pdev->dev);
146 acpi_bus_generate_netlink_event(adev->pnp.device_class,
145 dev_name(&ac->pdev->dev), 147 dev_name(&ac->pdev->dev),
146 event, (u32) ac->state); 148 event, (u32) ac->state);
147 acpi_notifier_call_chain(ac->adev, event, (u32) ac->state); 149 acpi_notifier_call_chain(adev, event, (u32) ac->state);
148 kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); 150 kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
149 } 151 }
150 152
@@ -178,8 +180,8 @@ static int acpi_ac_probe(struct platform_device *pdev)
178 if (!pdev) 180 if (!pdev)
179 return -EINVAL; 181 return -EINVAL;
180 182
181 result = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev); 183 adev = ACPI_COMPANION(&pdev->dev);
182 if (result) 184 if (!adev)
183 return -ENODEV; 185 return -ENODEV;
184 186
185 ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL); 187 ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
@@ -188,7 +190,6 @@ static int acpi_ac_probe(struct platform_device *pdev)
188 190
189 strcpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME); 191 strcpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME);
190 strcpy(acpi_device_class(adev), ACPI_AC_CLASS); 192 strcpy(acpi_device_class(adev), ACPI_AC_CLASS);
191 ac->adev = adev;
192 ac->pdev = pdev; 193 ac->pdev = pdev;
193 platform_set_drvdata(pdev, ac); 194 platform_set_drvdata(pdev, ac);
194 195
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index d3961014aad7..6745fe137b9e 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -163,6 +163,15 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
163 { "80860F41", (unsigned long)&byt_i2c_dev_desc }, 163 { "80860F41", (unsigned long)&byt_i2c_dev_desc },
164 { "INT33B2", }, 164 { "INT33B2", },
165 165
166 { "INT3430", (unsigned long)&lpt_dev_desc },
167 { "INT3431", (unsigned long)&lpt_dev_desc },
168 { "INT3432", (unsigned long)&lpt_dev_desc },
169 { "INT3433", (unsigned long)&lpt_dev_desc },
170 { "INT3434", (unsigned long)&lpt_uart_dev_desc },
171 { "INT3435", (unsigned long)&lpt_uart_dev_desc },
172 { "INT3436", (unsigned long)&lpt_sdio_dev_desc },
173 { "INT3437", },
174
166 { } 175 { }
167}; 176};
168 177
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 8a4cfc7e71f0..dbfe49e5fd63 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -111,7 +111,7 @@ int acpi_create_platform_device(struct acpi_device *adev,
111 pdevinfo.id = -1; 111 pdevinfo.id = -1;
112 pdevinfo.res = resources; 112 pdevinfo.res = resources;
113 pdevinfo.num_res = count; 113 pdevinfo.num_res = count;
114 pdevinfo.acpi_node.handle = adev->handle; 114 pdevinfo.acpi_node.companion = adev;
115 pdev = platform_device_register_full(&pdevinfo); 115 pdev = platform_device_register_full(&pdevinfo);
116 if (IS_ERR(pdev)) { 116 if (IS_ERR(pdev)) {
117 dev_err(&adev->dev, "platform device creation failed: %ld\n", 117 dev_err(&adev->dev, "platform device creation failed: %ld\n",
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index fb848378d582..078c4f7fe2dd 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -75,39 +75,6 @@ static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
75 {""} 75 {""}
76}; 76};
77 77
78#if CONFIG_ACPI_BLACKLIST_YEAR
79
80static int __init blacklist_by_year(void)
81{
82 int year;
83
84 /* Doesn't exist? Likely an old system */
85 if (!dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL)) {
86 printk(KERN_ERR PREFIX "no DMI BIOS year, "
87 "acpi=force is required to enable ACPI\n" );
88 return 1;
89 }
90 /* 0? Likely a buggy new BIOS */
91 if (year == 0) {
92 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
93 "assuming ACPI-capable machine\n" );
94 return 0;
95 }
96 if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
97 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
98 "acpi=force is required to enable ACPI\n",
99 year, CONFIG_ACPI_BLACKLIST_YEAR);
100 return 1;
101 }
102 return 0;
103}
104#else
105static inline int blacklist_by_year(void)
106{
107 return 0;
108}
109#endif
110
111int __init acpi_blacklisted(void) 78int __init acpi_blacklisted(void)
112{ 79{
113 int i = 0; 80 int i = 0;
@@ -166,8 +133,6 @@ int __init acpi_blacklisted(void)
166 } 133 }
167 } 134 }
168 135
169 blacklisted += blacklist_by_year();
170
171 dmi_check_system(acpi_osi_dmi_table); 136 dmi_check_system(acpi_osi_dmi_table);
172 137
173 return blacklisted; 138 return blacklisted;
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index d42b2fb5a7e9..b3480cf7db1a 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -22,16 +22,12 @@
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */ 23 */
24 24
25#include <linux/device.h> 25#include <linux/acpi.h>
26#include <linux/export.h> 26#include <linux/export.h>
27#include <linux/mutex.h> 27#include <linux/mutex.h>
28#include <linux/pm_qos.h> 28#include <linux/pm_qos.h>
29#include <linux/pm_runtime.h> 29#include <linux/pm_runtime.h>
30 30
31#include <acpi/acpi.h>
32#include <acpi/acpi_bus.h>
33#include <acpi/acpi_drivers.h>
34
35#include "internal.h" 31#include "internal.h"
36 32
37#define _COMPONENT ACPI_POWER_COMPONENT 33#define _COMPONENT ACPI_POWER_COMPONENT
@@ -548,7 +544,7 @@ static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,
548 */ 544 */
549int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) 545int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
550{ 546{
551 acpi_handle handle = DEVICE_ACPI_HANDLE(dev); 547 acpi_handle handle = ACPI_HANDLE(dev);
552 struct acpi_device *adev; 548 struct acpi_device *adev;
553 int ret, d_min, d_max; 549 int ret, d_min, d_max;
554 550
@@ -656,7 +652,7 @@ int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)
656 if (!device_run_wake(phys_dev)) 652 if (!device_run_wake(phys_dev))
657 return -EINVAL; 653 return -EINVAL;
658 654
659 handle = DEVICE_ACPI_HANDLE(phys_dev); 655 handle = ACPI_HANDLE(phys_dev);
660 if (!handle || acpi_bus_get_device(handle, &adev)) { 656 if (!handle || acpi_bus_get_device(handle, &adev)) {
661 dev_dbg(phys_dev, "ACPI handle without context in %s!\n", 657 dev_dbg(phys_dev, "ACPI handle without context in %s!\n",
662 __func__); 658 __func__);
@@ -700,7 +696,7 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
700 if (!device_can_wakeup(dev)) 696 if (!device_can_wakeup(dev))
701 return -EINVAL; 697 return -EINVAL;
702 698
703 handle = DEVICE_ACPI_HANDLE(dev); 699 handle = ACPI_HANDLE(dev);
704 if (!handle || acpi_bus_get_device(handle, &adev)) { 700 if (!handle || acpi_bus_get_device(handle, &adev)) {
705 dev_dbg(dev, "ACPI handle without context in %s!\n", __func__); 701 dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
706 return -ENODEV; 702 return -ENODEV;
@@ -722,7 +718,7 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
722 */ 718 */
723struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 719struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
724{ 720{
725 acpi_handle handle = DEVICE_ACPI_HANDLE(dev); 721 acpi_handle handle = ACPI_HANDLE(dev);
726 struct acpi_device *adev; 722 struct acpi_device *adev;
727 723
728 return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL; 724 return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL;
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d5309fd49458..ba5b56db9d27 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -173,9 +173,10 @@ static void start_transaction(struct acpi_ec *ec)
173static void advance_transaction(struct acpi_ec *ec, u8 status) 173static void advance_transaction(struct acpi_ec *ec, u8 status)
174{ 174{
175 unsigned long flags; 175 unsigned long flags;
176 struct transaction *t = ec->curr; 176 struct transaction *t;
177 177
178 spin_lock_irqsave(&ec->lock, flags); 178 spin_lock_irqsave(&ec->lock, flags);
179 t = ec->curr;
179 if (!t) 180 if (!t)
180 goto unlock; 181 goto unlock;
181 if (t->wlen > t->wi) { 182 if (t->wlen > t->wi) {
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 10f0f40587bb..a22a295edb69 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -197,30 +197,28 @@ static void acpi_physnode_link_name(char *buf, unsigned int node_id)
197 197
198int acpi_bind_one(struct device *dev, acpi_handle handle) 198int acpi_bind_one(struct device *dev, acpi_handle handle)
199{ 199{
200 struct acpi_device *acpi_dev; 200 struct acpi_device *acpi_dev = NULL;
201 acpi_status status;
202 struct acpi_device_physical_node *physical_node, *pn; 201 struct acpi_device_physical_node *physical_node, *pn;
203 char physical_node_name[PHYSICAL_NODE_NAME_SIZE]; 202 char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
204 struct list_head *physnode_list; 203 struct list_head *physnode_list;
205 unsigned int node_id; 204 unsigned int node_id;
206 int retval = -EINVAL; 205 int retval = -EINVAL;
207 206
208 if (ACPI_HANDLE(dev)) { 207 if (ACPI_COMPANION(dev)) {
209 if (handle) { 208 if (handle) {
210 dev_warn(dev, "ACPI handle is already set\n"); 209 dev_warn(dev, "ACPI companion already set\n");
211 return -EINVAL; 210 return -EINVAL;
212 } else { 211 } else {
213 handle = ACPI_HANDLE(dev); 212 acpi_dev = ACPI_COMPANION(dev);
214 } 213 }
214 } else {
215 acpi_bus_get_device(handle, &acpi_dev);
215 } 216 }
216 if (!handle) 217 if (!acpi_dev)
217 return -EINVAL; 218 return -EINVAL;
218 219
220 get_device(&acpi_dev->dev);
219 get_device(dev); 221 get_device(dev);
220 status = acpi_bus_get_device(handle, &acpi_dev);
221 if (ACPI_FAILURE(status))
222 goto err;
223
224 physical_node = kzalloc(sizeof(*physical_node), GFP_KERNEL); 222 physical_node = kzalloc(sizeof(*physical_node), GFP_KERNEL);
225 if (!physical_node) { 223 if (!physical_node) {
226 retval = -ENOMEM; 224 retval = -ENOMEM;
@@ -242,10 +240,11 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
242 240
243 dev_warn(dev, "Already associated with ACPI node\n"); 241 dev_warn(dev, "Already associated with ACPI node\n");
244 kfree(physical_node); 242 kfree(physical_node);
245 if (ACPI_HANDLE(dev) != handle) 243 if (ACPI_COMPANION(dev) != acpi_dev)
246 goto err; 244 goto err;
247 245
248 put_device(dev); 246 put_device(dev);
247 put_device(&acpi_dev->dev);
249 return 0; 248 return 0;
250 } 249 }
251 if (pn->node_id == node_id) { 250 if (pn->node_id == node_id) {
@@ -259,8 +258,8 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
259 list_add(&physical_node->node, physnode_list); 258 list_add(&physical_node->node, physnode_list);
260 acpi_dev->physical_node_count++; 259 acpi_dev->physical_node_count++;
261 260
262 if (!ACPI_HANDLE(dev)) 261 if (!ACPI_COMPANION(dev))
263 ACPI_HANDLE_SET(dev, acpi_dev->handle); 262 ACPI_COMPANION_SET(dev, acpi_dev);
264 263
265 acpi_physnode_link_name(physical_node_name, node_id); 264 acpi_physnode_link_name(physical_node_name, node_id);
266 retval = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj, 265 retval = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
@@ -283,27 +282,21 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
283 return 0; 282 return 0;
284 283
285 err: 284 err:
286 ACPI_HANDLE_SET(dev, NULL); 285 ACPI_COMPANION_SET(dev, NULL);
287 put_device(dev); 286 put_device(dev);
287 put_device(&acpi_dev->dev);
288 return retval; 288 return retval;
289} 289}
290EXPORT_SYMBOL_GPL(acpi_bind_one); 290EXPORT_SYMBOL_GPL(acpi_bind_one);
291 291
292int acpi_unbind_one(struct device *dev) 292int acpi_unbind_one(struct device *dev)
293{ 293{
294 struct acpi_device *acpi_dev = ACPI_COMPANION(dev);
294 struct acpi_device_physical_node *entry; 295 struct acpi_device_physical_node *entry;
295 struct acpi_device *acpi_dev;
296 acpi_status status;
297 296
298 if (!ACPI_HANDLE(dev)) 297 if (!acpi_dev)
299 return 0; 298 return 0;
300 299
301 status = acpi_bus_get_device(ACPI_HANDLE(dev), &acpi_dev);
302 if (ACPI_FAILURE(status)) {
303 dev_err(dev, "Oops, ACPI handle corrupt in %s()\n", __func__);
304 return -EINVAL;
305 }
306
307 mutex_lock(&acpi_dev->physical_node_lock); 300 mutex_lock(&acpi_dev->physical_node_lock);
308 301
309 list_for_each_entry(entry, &acpi_dev->physical_node_list, node) 302 list_for_each_entry(entry, &acpi_dev->physical_node_list, node)
@@ -316,9 +309,10 @@ int acpi_unbind_one(struct device *dev)
316 acpi_physnode_link_name(physnode_name, entry->node_id); 309 acpi_physnode_link_name(physnode_name, entry->node_id);
317 sysfs_remove_link(&acpi_dev->dev.kobj, physnode_name); 310 sysfs_remove_link(&acpi_dev->dev.kobj, physnode_name);
318 sysfs_remove_link(&dev->kobj, "firmware_node"); 311 sysfs_remove_link(&dev->kobj, "firmware_node");
319 ACPI_HANDLE_SET(dev, NULL); 312 ACPI_COMPANION_SET(dev, NULL);
320 /* acpi_bind_one() increase refcnt by one. */ 313 /* Drop references taken by acpi_bind_one(). */
321 put_device(dev); 314 put_device(dev);
315 put_device(&acpi_dev->dev);
322 kfree(entry); 316 kfree(entry);
323 break; 317 break;
324 } 318 }
@@ -328,6 +322,15 @@ int acpi_unbind_one(struct device *dev)
328} 322}
329EXPORT_SYMBOL_GPL(acpi_unbind_one); 323EXPORT_SYMBOL_GPL(acpi_unbind_one);
330 324
325void acpi_preset_companion(struct device *dev, acpi_handle parent, u64 addr)
326{
327 struct acpi_device *adev;
328
329 if (!acpi_bus_get_device(acpi_get_child(parent, addr), &adev))
330 ACPI_COMPANION_SET(dev, adev);
331}
332EXPORT_SYMBOL_GPL(acpi_preset_companion);
333
331static int acpi_platform_notify(struct device *dev) 334static int acpi_platform_notify(struct device *dev)
332{ 335{
333 struct acpi_bus_type *type = acpi_get_bus_type(dev); 336 struct acpi_bus_type *type = acpi_get_bus_type(dev);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 56f05869b08d..0703bff5e60e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -575,6 +575,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
575 dev_err(&device->dev, 575 dev_err(&device->dev,
576 "Bus %04x:%02x not present in PCI namespace\n", 576 "Bus %04x:%02x not present in PCI namespace\n",
577 root->segment, (unsigned int)root->secondary.start); 577 root->segment, (unsigned int)root->secondary.start);
578 device->driver_data = NULL;
578 result = -ENODEV; 579 result = -ENODEV;
579 goto end; 580 goto end;
580 } 581 }
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 55f9dedbbf9f..15daa21fcd05 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -289,24 +289,17 @@ void acpi_bus_device_eject(void *data, u32 ost_src)
289{ 289{
290 struct acpi_device *device = data; 290 struct acpi_device *device = data;
291 acpi_handle handle = device->handle; 291 acpi_handle handle = device->handle;
292 struct acpi_scan_handler *handler;
293 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; 292 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
294 int error; 293 int error;
295 294
296 lock_device_hotplug(); 295 lock_device_hotplug();
297 mutex_lock(&acpi_scan_lock); 296 mutex_lock(&acpi_scan_lock);
298 297
299 handler = device->handler;
300 if (!handler || !handler->hotplug.enabled) {
301 put_device(&device->dev);
302 goto err_support;
303 }
304
305 if (ost_src == ACPI_NOTIFY_EJECT_REQUEST) 298 if (ost_src == ACPI_NOTIFY_EJECT_REQUEST)
306 acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST, 299 acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST,
307 ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); 300 ACPI_OST_SC_EJECT_IN_PROGRESS, NULL);
308 301
309 if (handler->hotplug.mode == AHM_CONTAINER) 302 if (device->handler && device->handler->hotplug.mode == AHM_CONTAINER)
310 kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); 303 kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
311 304
312 error = acpi_scan_hot_remove(device); 305 error = acpi_scan_hot_remove(device);
@@ -411,8 +404,7 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
411 break; 404 break;
412 case ACPI_NOTIFY_EJECT_REQUEST: 405 case ACPI_NOTIFY_EJECT_REQUEST:
413 acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n"); 406 acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
414 status = acpi_bus_get_device(handle, &adev); 407 if (acpi_bus_get_device(handle, &adev))
415 if (ACPI_FAILURE(status))
416 goto err_out; 408 goto err_out;
417 409
418 get_device(&adev->dev); 410 get_device(&adev->dev);
@@ -1997,6 +1989,7 @@ static int acpi_bus_scan_fixed(void)
1997 if (result) 1989 if (result)
1998 return result; 1990 return result;
1999 1991
1992 device->flags.match_driver = true;
2000 result = device_attach(&device->dev); 1993 result = device_attach(&device->dev);
2001 if (result < 0) 1994 if (result < 0)
2002 return result; 1995 return result;
@@ -2013,6 +2006,7 @@ static int acpi_bus_scan_fixed(void)
2013 if (result) 2006 if (result)
2014 return result; 2007 return result;
2015 2008
2009 device->flags.match_driver = true;
2016 result = device_attach(&device->dev); 2010 result = device_attach(&device->dev);
2017 } 2011 }
2018 2012
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 18dbdff4656e..995e91bcb97b 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -82,13 +82,6 @@ static bool allow_duplicates;
82module_param(allow_duplicates, bool, 0644); 82module_param(allow_duplicates, bool, 0644);
83 83
84/* 84/*
85 * Some BIOSes claim they use minimum backlight at boot,
86 * and this may bring dimming screen after boot
87 */
88static bool use_bios_initial_backlight = 1;
89module_param(use_bios_initial_backlight, bool, 0644);
90
91/*
92 * For Windows 8 systems: if set ture and the GPU driver has 85 * For Windows 8 systems: if set ture and the GPU driver has
93 * registered a backlight interface, skip registering ACPI video's. 86 * registered a backlight interface, skip registering ACPI video's.
94 */ 87 */
@@ -406,12 +399,6 @@ static int __init video_set_bqc_offset(const struct dmi_system_id *d)
406 return 0; 399 return 0;
407} 400}
408 401
409static int video_ignore_initial_backlight(const struct dmi_system_id *d)
410{
411 use_bios_initial_backlight = 0;
412 return 0;
413}
414
415static struct dmi_system_id video_dmi_table[] __initdata = { 402static struct dmi_system_id video_dmi_table[] __initdata = {
416 /* 403 /*
417 * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 404 * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121
@@ -456,54 +443,6 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
456 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720"), 443 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720"),
457 }, 444 },
458 }, 445 },
459 {
460 .callback = video_ignore_initial_backlight,
461 .ident = "HP Folio 13-2000",
462 .matches = {
463 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
465 },
466 },
467 {
468 .callback = video_ignore_initial_backlight,
469 .ident = "Fujitsu E753",
470 .matches = {
471 DMI_MATCH(DMI_BOARD_VENDOR, "FUJITSU"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E753"),
473 },
474 },
475 {
476 .callback = video_ignore_initial_backlight,
477 .ident = "HP Pavilion dm4",
478 .matches = {
479 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
480 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
481 },
482 },
483 {
484 .callback = video_ignore_initial_backlight,
485 .ident = "HP Pavilion g6 Notebook PC",
486 .matches = {
487 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
488 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
489 },
490 },
491 {
492 .callback = video_ignore_initial_backlight,
493 .ident = "HP 1000 Notebook PC",
494 .matches = {
495 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
496 DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
497 },
498 },
499 {
500 .callback = video_ignore_initial_backlight,
501 .ident = "HP Pavilion m4",
502 .matches = {
503 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
504 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
505 },
506 },
507 {} 446 {}
508}; 447};
509 448
@@ -839,20 +778,18 @@ acpi_video_init_brightness(struct acpi_video_device *device)
839 if (!device->cap._BQC) 778 if (!device->cap._BQC)
840 goto set_level; 779 goto set_level;
841 780
842 if (use_bios_initial_backlight) { 781 level = acpi_video_bqc_value_to_level(device, level_old);
843 level = acpi_video_bqc_value_to_level(device, level_old); 782 /*
844 /* 783 * On some buggy laptops, _BQC returns an uninitialized
845 * On some buggy laptops, _BQC returns an uninitialized 784 * value when invoked for the first time, i.e.
846 * value when invoked for the first time, i.e. 785 * level_old is invalid (no matter whether it's a level
847 * level_old is invalid (no matter whether it's a level 786 * or an index). Set the backlight to max_level in this case.
848 * or an index). Set the backlight to max_level in this case. 787 */
849 */ 788 for (i = 2; i < br->count; i++)
850 for (i = 2; i < br->count; i++) 789 if (level == br->levels[i])
851 if (level == br->levels[i]) 790 break;
852 break; 791 if (i == br->count || !level)
853 if (i == br->count || !level) 792 level = max_level;
854 level = max_level;
855 }
856 793
857set_level: 794set_level:
858 result = acpi_video_device_lcd_set_level(device, level); 795 result = acpi_video_device_lcd_set_level(device, level);
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index ab714d2ad978..4372cfa883c9 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -185,7 +185,7 @@ void ata_acpi_bind_port(struct ata_port *ap)
185 if (libata_noacpi || ap->flags & ATA_FLAG_ACPI_SATA || !host_handle) 185 if (libata_noacpi || ap->flags & ATA_FLAG_ACPI_SATA || !host_handle)
186 return; 186 return;
187 187
188 ACPI_HANDLE_SET(&ap->tdev, acpi_get_child(host_handle, ap->port_no)); 188 acpi_preset_companion(&ap->tdev, host_handle, ap->port_no);
189 189
190 if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0) 190 if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0)
191 ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; 191 ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
@@ -222,7 +222,7 @@ void ata_acpi_bind_dev(struct ata_device *dev)
222 parent_handle = port_handle; 222 parent_handle = port_handle;
223 } 223 }
224 224
225 ACPI_HANDLE_SET(&dev->tdev, acpi_get_child(parent_handle, adr)); 225 acpi_preset_companion(&dev->tdev, parent_handle, adr);
226 226
227 register_hotplug_dock_device(ata_dev_acpi_handle(dev), 227 register_hotplug_dock_device(ata_dev_acpi_handle(dev),
228 &ata_acpi_dev_dock_ops, dev, NULL, NULL); 228 &ata_acpi_dev_dock_ops, dev, NULL, NULL);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 47051cd25113..3a94b799f166 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -432,7 +432,7 @@ struct platform_device *platform_device_register_full(
432 goto err_alloc; 432 goto err_alloc;
433 433
434 pdev->dev.parent = pdevinfo->parent; 434 pdev->dev.parent = pdevinfo->parent;
435 ACPI_HANDLE_SET(&pdev->dev, pdevinfo->acpi_node.handle); 435 ACPI_COMPANION_SET(&pdev->dev, pdevinfo->acpi_node.companion);
436 436
437 if (pdevinfo->dma_mask) { 437 if (pdevinfo->dma_mask) {
438 /* 438 /*
@@ -463,7 +463,7 @@ struct platform_device *platform_device_register_full(
463 ret = platform_device_add(pdev); 463 ret = platform_device_add(pdev);
464 if (ret) { 464 if (ret) {
465err: 465err:
466 ACPI_HANDLE_SET(&pdev->dev, NULL); 466 ACPI_COMPANION_SET(&pdev->dev, NULL);
467 kfree(pdev->dev.dma_mask); 467 kfree(pdev->dev.dma_mask);
468 468
469err_alloc: 469err_alloc:
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index c12e9b9556be..1b41fca3d65a 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1350,6 +1350,9 @@ static int device_prepare(struct device *dev, pm_message_t state)
1350 1350
1351 device_unlock(dev); 1351 device_unlock(dev);
1352 1352
1353 if (error)
1354 pm_runtime_put(dev);
1355
1353 return error; 1356 return error;
1354} 1357}
1355 1358
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 218460fcd2e4..25a70d06c5bf 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -68,6 +68,9 @@ static void cs_check_cpu(int cpu, unsigned int load)
68 68
69 dbs_info->requested_freq += get_freq_target(cs_tuners, policy); 69 dbs_info->requested_freq += get_freq_target(cs_tuners, policy);
70 70
71 if (dbs_info->requested_freq > policy->max)
72 dbs_info->requested_freq = policy->max;
73
71 __cpufreq_driver_target(policy, dbs_info->requested_freq, 74 __cpufreq_driver_target(policy, dbs_info->requested_freq,
72 CPUFREQ_RELATION_H); 75 CPUFREQ_RELATION_H);
73 return; 76 return;
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 0806c31e5764..e6be63561fa6 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -328,10 +328,6 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
328 dbs_data->cdata->gov_dbs_timer); 328 dbs_data->cdata->gov_dbs_timer);
329 } 329 }
330 330
331 /*
332 * conservative does not implement micro like ondemand
333 * governor, thus we are bound to jiffes/HZ
334 */
335 if (dbs_data->cdata->governor == GOV_CONSERVATIVE) { 331 if (dbs_data->cdata->governor == GOV_CONSERVATIVE) {
336 cs_dbs_info->down_skip = 0; 332 cs_dbs_info->down_skip = 0;
337 cs_dbs_info->enable = 1; 333 cs_dbs_info->enable = 1;
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index be6d14307aa8..a0acd0bfba40 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -53,6 +53,7 @@ static unsigned int omap_getspeed(unsigned int cpu)
53 53
54static int omap_target(struct cpufreq_policy *policy, unsigned int index) 54static int omap_target(struct cpufreq_policy *policy, unsigned int index)
55{ 55{
56 int r, ret;
56 struct dev_pm_opp *opp; 57 struct dev_pm_opp *opp;
57 unsigned long freq, volt = 0, volt_old = 0, tol = 0; 58 unsigned long freq, volt = 0, volt_old = 0, tol = 0;
58 unsigned int old_freq, new_freq; 59 unsigned int old_freq, new_freq;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 7dd446150294..4e10b10d3ddd 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -13,6 +13,7 @@
13#include <linux/acpi_gpio.h> 13#include <linux/acpi_gpio.h>
14#include <linux/idr.h> 14#include <linux/idr.h>
15#include <linux/slab.h> 15#include <linux/slab.h>
16#include <linux/acpi.h>
16 17
17#define CREATE_TRACE_POINTS 18#define CREATE_TRACE_POINTS
18#include <trace/events/gpio.h> 19#include <trace/events/gpio.h>
diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
index 43959edd4291..dfff0907f70e 100644
--- a/drivers/gpu/drm/i915/intel_acpi.c
+++ b/drivers/gpu/drm/i915/intel_acpi.c
@@ -196,7 +196,7 @@ static bool intel_dsm_pci_probe(struct pci_dev *pdev)
196 acpi_handle dhandle; 196 acpi_handle dhandle;
197 int ret; 197 int ret;
198 198
199 dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); 199 dhandle = ACPI_HANDLE(&pdev->dev);
200 if (!dhandle) 200 if (!dhandle)
201 return false; 201 return false;
202 202
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 1b2f41c3f191..6d69a9bad865 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -638,7 +638,7 @@ static void intel_didl_outputs(struct drm_device *dev)
638 u32 temp; 638 u32 temp;
639 int i = 0; 639 int i = 0;
640 640
641 handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev); 641 handle = ACPI_HANDLE(&dev->pdev->dev);
642 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) 642 if (!handle || acpi_bus_get_device(handle, &acpi_dev))
643 return; 643 return;
644 644
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
index e286e132c7e7..129120473f6c 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
@@ -116,7 +116,7 @@ mxm_shadow_dsm(struct nouveau_mxm *mxm, u8 version)
116 acpi_handle handle; 116 acpi_handle handle;
117 int ret; 117 int ret;
118 118
119 handle = DEVICE_ACPI_HANDLE(&device->pdev->dev); 119 handle = ACPI_HANDLE(&device->pdev->dev);
120 if (!handle) 120 if (!handle)
121 return false; 121 return false;
122 122
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 07273a2ae62f..95c740454049 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -256,7 +256,7 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev)
256 acpi_handle dhandle; 256 acpi_handle dhandle;
257 int retval = 0; 257 int retval = 0;
258 258
259 dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); 259 dhandle = ACPI_HANDLE(&pdev->dev);
260 if (!dhandle) 260 if (!dhandle)
261 return false; 261 return false;
262 262
@@ -414,7 +414,7 @@ bool nouveau_acpi_rom_supported(struct pci_dev *pdev)
414 if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected) 414 if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected)
415 return false; 415 return false;
416 416
417 dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); 417 dhandle = ACPI_HANDLE(&pdev->dev);
418 if (!dhandle) 418 if (!dhandle)
419 return false; 419 return false;
420 420
@@ -448,7 +448,7 @@ nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector)
448 return NULL; 448 return NULL;
449 } 449 }
450 450
451 handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev); 451 handle = ACPI_HANDLE(&dev->pdev->dev);
452 if (!handle) 452 if (!handle)
453 return NULL; 453 return NULL;
454 454
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 10f98c7742d8..98a9074b306b 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -369,7 +369,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
369 return NOTIFY_DONE; 369 return NOTIFY_DONE;
370 370
371 /* Check pending SBIOS requests */ 371 /* Check pending SBIOS requests */
372 handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); 372 handle = ACPI_HANDLE(&rdev->pdev->dev);
373 count = radeon_atif_get_sbios_requests(handle, &req); 373 count = radeon_atif_get_sbios_requests(handle, &req);
374 374
375 if (count <= 0) 375 if (count <= 0)
@@ -556,7 +556,7 @@ int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev)
556 struct radeon_atcs *atcs = &rdev->atcs; 556 struct radeon_atcs *atcs = &rdev->atcs;
557 557
558 /* Get the device handle */ 558 /* Get the device handle */
559 handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); 559 handle = ACPI_HANDLE(&rdev->pdev->dev);
560 if (!handle) 560 if (!handle)
561 return -EINVAL; 561 return -EINVAL;
562 562
@@ -596,7 +596,7 @@ int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
596 u32 retry = 3; 596 u32 retry = 3;
597 597
598 /* Get the device handle */ 598 /* Get the device handle */
599 handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); 599 handle = ACPI_HANDLE(&rdev->pdev->dev);
600 if (!handle) 600 if (!handle)
601 return -EINVAL; 601 return -EINVAL;
602 602
@@ -699,7 +699,7 @@ int radeon_acpi_init(struct radeon_device *rdev)
699 int ret; 699 int ret;
700 700
701 /* Get the device handle */ 701 /* Get the device handle */
702 handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); 702 handle = ACPI_HANDLE(&rdev->pdev->dev);
703 703
704 /* No need to proceed if we're sure that ATIF is not supported */ 704 /* No need to proceed if we're sure that ATIF is not supported */
705 if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle) 705 if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle)
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 6153ec18943a..9d302eaeea15 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -8,8 +8,7 @@
8 */ 8 */
9#include <linux/vga_switcheroo.h> 9#include <linux/vga_switcheroo.h>
10#include <linux/slab.h> 10#include <linux/slab.h>
11#include <acpi/acpi.h> 11#include <linux/acpi.h>
12#include <acpi/acpi_bus.h>
13#include <linux/pci.h> 12#include <linux/pci.h>
14 13
15#include "radeon_acpi.h" 14#include "radeon_acpi.h"
@@ -447,7 +446,7 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
447 acpi_handle dhandle, atpx_handle; 446 acpi_handle dhandle, atpx_handle;
448 acpi_status status; 447 acpi_status status;
449 448
450 dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); 449 dhandle = ACPI_HANDLE(&pdev->dev);
451 if (!dhandle) 450 if (!dhandle)
452 return false; 451 return false;
453 452
@@ -493,7 +492,7 @@ static int radeon_atpx_init(void)
493 */ 492 */
494static int radeon_atpx_get_client_id(struct pci_dev *pdev) 493static int radeon_atpx_get_client_id(struct pci_dev *pdev)
495{ 494{
496 if (radeon_atpx_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev)) 495 if (radeon_atpx_priv.dhandle == ACPI_HANDLE(&pdev->dev))
497 return VGA_SWITCHEROO_IGD; 496 return VGA_SWITCHEROO_IGD;
498 else 497 else
499 return VGA_SWITCHEROO_DIS; 498 return VGA_SWITCHEROO_DIS;
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index c155d6f3fa68..b3633d9a5317 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -185,7 +185,7 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev)
185 return false; 185 return false;
186 186
187 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) { 187 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
188 dhandle = DEVICE_ACPI_HANDLE(&pdev->dev); 188 dhandle = ACPI_HANDLE(&pdev->dev);
189 if (!dhandle) 189 if (!dhandle)
190 continue; 190 continue;
191 191
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index ae48d18ee315..5f7e55f4b7f0 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -1008,7 +1008,7 @@ static int i2c_hid_probe(struct i2c_client *client,
1008 hid->hid_get_raw_report = i2c_hid_get_raw_report; 1008 hid->hid_get_raw_report = i2c_hid_get_raw_report;
1009 hid->hid_output_raw_report = i2c_hid_output_raw_report; 1009 hid->hid_output_raw_report = i2c_hid_output_raw_report;
1010 hid->dev.parent = &client->dev; 1010 hid->dev.parent = &client->dev;
1011 ACPI_HANDLE_SET(&hid->dev, ACPI_HANDLE(&client->dev)); 1011 ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev));
1012 hid->bus = BUS_I2C; 1012 hid->bus = BUS_I2C;
1013 hid->version = le16_to_cpu(ihid->hdesc.bcdVersion); 1013 hid->version = le16_to_cpu(ihid->hdesc.bcdVersion);
1014 hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID); 1014 hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID);
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 5923cfa390c8..d74c0b34248e 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -615,6 +615,22 @@ void i2c_unlock_adapter(struct i2c_adapter *adapter)
615} 615}
616EXPORT_SYMBOL_GPL(i2c_unlock_adapter); 616EXPORT_SYMBOL_GPL(i2c_unlock_adapter);
617 617
618static void i2c_dev_set_name(struct i2c_adapter *adap,
619 struct i2c_client *client)
620{
621 struct acpi_device *adev = ACPI_COMPANION(&client->dev);
622
623 if (adev) {
624 dev_set_name(&client->dev, "i2c-%s", acpi_dev_name(adev));
625 return;
626 }
627
628 /* For 10-bit clients, add an arbitrary offset to avoid collisions */
629 dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
630 client->addr | ((client->flags & I2C_CLIENT_TEN)
631 ? 0xa000 : 0));
632}
633
618/** 634/**
619 * i2c_new_device - instantiate an i2c device 635 * i2c_new_device - instantiate an i2c device
620 * @adap: the adapter managing the device 636 * @adap: the adapter managing the device
@@ -671,12 +687,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
671 client->dev.bus = &i2c_bus_type; 687 client->dev.bus = &i2c_bus_type;
672 client->dev.type = &i2c_client_type; 688 client->dev.type = &i2c_client_type;
673 client->dev.of_node = info->of_node; 689 client->dev.of_node = info->of_node;
674 ACPI_HANDLE_SET(&client->dev, info->acpi_node.handle); 690 ACPI_COMPANION_SET(&client->dev, info->acpi_node.companion);
675 691
676 /* For 10-bit clients, add an arbitrary offset to avoid collisions */ 692 i2c_dev_set_name(adap, client);
677 dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
678 client->addr | ((client->flags & I2C_CLIENT_TEN)
679 ? 0xa000 : 0));
680 status = device_register(&client->dev); 693 status = device_register(&client->dev);
681 if (status) 694 if (status)
682 goto out_err; 695 goto out_err;
@@ -1100,7 +1113,7 @@ static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
1100 return AE_OK; 1113 return AE_OK;
1101 1114
1102 memset(&info, 0, sizeof(info)); 1115 memset(&info, 0, sizeof(info));
1103 info.acpi_node.handle = handle; 1116 info.acpi_node.companion = adev;
1104 info.irq = -1; 1117 info.irq = -1;
1105 1118
1106 INIT_LIST_HEAD(&resource_list); 1119 INIT_LIST_HEAD(&resource_list);
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 140c8ef50529..d9e1f7ccfe6f 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -7,6 +7,7 @@
7 * Copyright (C) 2006 Hannes Reinecke 7 * Copyright (C) 2006 Hannes Reinecke
8 */ 8 */
9 9
10#include <linux/acpi.h>
10#include <linux/ata.h> 11#include <linux/ata.h>
11#include <linux/delay.h> 12#include <linux/delay.h>
12#include <linux/device.h> 13#include <linux/device.h>
@@ -19,8 +20,6 @@
19#include <linux/dmi.h> 20#include <linux/dmi.h>
20#include <linux/module.h> 21#include <linux/module.h>
21 22
22#include <acpi/acpi_bus.h>
23
24#define REGS_PER_GTF 7 23#define REGS_PER_GTF 7
25 24
26struct GTM_buffer { 25struct GTM_buffer {
@@ -128,7 +127,7 @@ static int ide_get_dev_handle(struct device *dev, acpi_handle *handle,
128 127
129 DEBPRINT("ENTER: pci %02x:%02x.%01x\n", bus, devnum, func); 128 DEBPRINT("ENTER: pci %02x:%02x.%01x\n", bus, devnum, func);
130 129
131 dev_handle = DEVICE_ACPI_HANDLE(dev); 130 dev_handle = ACPI_HANDLE(dev);
132 if (!dev_handle) { 131 if (!dev_handle) {
133 DEBPRINT("no acpi handle for device\n"); 132 DEBPRINT("no acpi handle for device\n");
134 goto err; 133 goto err;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3226ce98fb18..cbd4e9abc47e 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * intel_idle.c - native hardware idle loop for modern Intel processors 2 * intel_idle.c - native hardware idle loop for modern Intel processors
3 * 3 *
4 * Copyright (c) 2010, Intel Corporation. 4 * Copyright (c) 2013, Intel Corporation.
5 * Len Brown <len.brown@intel.com> 5 * Len Brown <len.brown@intel.com>
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
@@ -329,6 +329,22 @@ static struct cpuidle_state atom_cstates[] __initdata = {
329 { 329 {
330 .enter = NULL } 330 .enter = NULL }
331}; 331};
332static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
333 {
334 .name = "C1-AVN",
335 .desc = "MWAIT 0x00",
336 .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
337 .exit_latency = 2,
338 .target_residency = 2,
339 .enter = &intel_idle },
340 {
341 .name = "C6-AVN",
342 .desc = "MWAIT 0x51",
343 .flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
344 .exit_latency = 15,
345 .target_residency = 45,
346 .enter = &intel_idle },
347};
332 348
333/** 349/**
334 * intel_idle 350 * intel_idle
@@ -462,6 +478,11 @@ static const struct idle_cpu idle_cpu_hsw = {
462 .disable_promotion_to_c1e = true, 478 .disable_promotion_to_c1e = true,
463}; 479};
464 480
481static const struct idle_cpu idle_cpu_avn = {
482 .state_table = avn_cstates,
483 .disable_promotion_to_c1e = true,
484};
485
465#define ICPU(model, cpu) \ 486#define ICPU(model, cpu) \
466 { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu } 487 { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu }
467 488
@@ -483,6 +504,7 @@ static const struct x86_cpu_id intel_idle_ids[] = {
483 ICPU(0x3f, idle_cpu_hsw), 504 ICPU(0x3f, idle_cpu_hsw),
484 ICPU(0x45, idle_cpu_hsw), 505 ICPU(0x45, idle_cpu_hsw),
485 ICPU(0x46, idle_cpu_hsw), 506 ICPU(0x46, idle_cpu_hsw),
507 ICPU(0x4D, idle_cpu_avn),
486 {} 508 {}
487}; 509};
488MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); 510MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index ef8956568c3a..157b570ba343 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -308,8 +308,7 @@ static void sdio_acpi_set_handle(struct sdio_func *func)
308 struct mmc_host *host = func->card->host; 308 struct mmc_host *host = func->card->host;
309 u64 addr = (host->slotno << 16) | func->num; 309 u64 addr = (host->slotno << 16) | func->num;
310 310
311 ACPI_HANDLE_SET(&func->dev, 311 acpi_preset_companion(&func->dev, ACPI_HANDLE(host->parent), addr);
312 acpi_get_child(ACPI_HANDLE(host->parent), addr));
313} 312}
314#else 313#else
315static inline void sdio_acpi_set_handle(struct sdio_func *func) {} 314static inline void sdio_acpi_set_handle(struct sdio_func *func) {}
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 1ce8ee054f1a..a94d850ae228 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -367,7 +367,7 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags)
367 string = (struct acpi_buffer){ ACPI_ALLOCATE_BUFFER, NULL }; 367 string = (struct acpi_buffer){ ACPI_ALLOCATE_BUFFER, NULL };
368 } 368 }
369 369
370 handle = DEVICE_ACPI_HANDLE(&pdev->dev); 370 handle = ACPI_HANDLE(&pdev->dev);
371 if (!handle) { 371 if (!handle) {
372 /* 372 /*
373 * This hotplug controller was not listed in the ACPI name 373 * This hotplug controller was not listed in the ACPI name
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 26100f510b10..1592dbe4f904 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -176,7 +176,6 @@ u8 acpiphp_get_latch_status(struct acpiphp_slot *slot);
176u8 acpiphp_get_adapter_status(struct acpiphp_slot *slot); 176u8 acpiphp_get_adapter_status(struct acpiphp_slot *slot);
177 177
178/* variables */ 178/* variables */
179extern bool acpiphp_debug;
180extern bool acpiphp_disabled; 179extern bool acpiphp_disabled;
181 180
182#endif /* _ACPIPHP_H */ 181#endif /* _ACPIPHP_H */
diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c
index ead7c534095e..cff7cadfc2e4 100644
--- a/drivers/pci/hotplug/pciehp_acpi.c
+++ b/drivers/pci/hotplug/pciehp_acpi.c
@@ -54,7 +54,7 @@ int pciehp_acpi_slot_detection_check(struct pci_dev *dev)
54{ 54{
55 if (slot_detection_mode != PCIEHP_DETECT_ACPI) 55 if (slot_detection_mode != PCIEHP_DETECT_ACPI)
56 return 0; 56 return 0;
57 if (acpi_pci_detect_ejectable(DEVICE_ACPI_HANDLE(&dev->dev))) 57 if (acpi_pci_detect_ejectable(ACPI_HANDLE(&dev->dev)))
58 return 0; 58 return 0;
59 return -ENODEV; 59 return -ENODEV;
60} 60}
@@ -96,7 +96,7 @@ static int __init dummy_probe(struct pcie_device *dev)
96 dup_slot_id++; 96 dup_slot_id++;
97 } 97 }
98 list_add_tail(&slot->list, &dummy_slots); 98 list_add_tail(&slot->list, &dummy_slots);
99 handle = DEVICE_ACPI_HANDLE(&pdev->dev); 99 handle = ACPI_HANDLE(&pdev->dev);
100 if (!acpi_slot_detected && acpi_pci_detect_ejectable(handle)) 100 if (!acpi_slot_detected && acpi_pci_detect_ejectable(handle))
101 acpi_slot_detected = 1; 101 acpi_slot_detected = 1;
102 return -ENODEV; /* dummy driver always returns error */ 102 return -ENODEV; /* dummy driver always returns error */
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index b2781dfe60e9..5b05a68cca6c 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -9,6 +9,7 @@
9 * Work to add BIOS PROM support was completed by Mike Habeck. 9 * Work to add BIOS PROM support was completed by Mike Habeck.
10 */ 10 */
11 11
12#include <linux/acpi.h>
12#include <linux/init.h> 13#include <linux/init.h>
13#include <linux/kernel.h> 14#include <linux/kernel.h>
14#include <linux/module.h> 15#include <linux/module.h>
@@ -29,7 +30,6 @@
29#include <asm/sn/sn_feature_sets.h> 30#include <asm/sn/sn_feature_sets.h>
30#include <asm/sn/sn_sal.h> 31#include <asm/sn/sn_sal.h>
31#include <asm/sn/types.h> 32#include <asm/sn/types.h>
32#include <linux/acpi.h>
33#include <asm/sn/acpi.h> 33#include <asm/sn/acpi.h>
34 34
35#include "../pci.h" 35#include "../pci.h"
@@ -414,7 +414,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
414 acpi_handle rethandle; 414 acpi_handle rethandle;
415 acpi_status ret; 415 acpi_status ret;
416 416
417 phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle; 417 phandle = acpi_device_handle(PCI_CONTROLLER(slot->pci_bus)->companion);
418 418
419 if (acpi_bus_get_device(phandle, &pdevice)) { 419 if (acpi_bus_get_device(phandle, &pdevice)) {
420 dev_dbg(&slot->pci_bus->self->dev, 420 dev_dbg(&slot->pci_bus->self->dev,
@@ -495,7 +495,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
495 495
496 /* free the ACPI resources for the slot */ 496 /* free the ACPI resources for the slot */
497 if (SN_ACPI_BASE_SUPPORT() && 497 if (SN_ACPI_BASE_SUPPORT() &&
498 PCI_CONTROLLER(slot->pci_bus)->acpi_handle) { 498 PCI_CONTROLLER(slot->pci_bus)->companion) {
499 unsigned long long adr; 499 unsigned long long adr;
500 struct acpi_device *device; 500 struct acpi_device *device;
501 acpi_handle phandle; 501 acpi_handle phandle;
@@ -504,7 +504,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
504 acpi_status ret; 504 acpi_status ret;
505 505
506 /* Get the rootbus node pointer */ 506 /* Get the rootbus node pointer */
507 phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle; 507 phandle = acpi_device_handle(PCI_CONTROLLER(slot->pci_bus)->companion);
508 508
509 acpi_scan_lock_acquire(); 509 acpi_scan_lock_acquire();
510 /* 510 /*
diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c
index 1b90579b233a..50ce68098298 100644
--- a/drivers/pci/ioapic.c
+++ b/drivers/pci/ioapic.c
@@ -37,7 +37,7 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent)
37 char *type; 37 char *type;
38 struct resource *res; 38 struct resource *res;
39 39
40 handle = DEVICE_ACPI_HANDLE(&dev->dev); 40 handle = ACPI_HANDLE(&dev->dev);
41 if (!handle) 41 if (!handle)
42 return -EINVAL; 42 return -EINVAL;
43 43
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dfd1f59de729..f166126e28d1 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -173,14 +173,14 @@ static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev)
173 173
174static bool acpi_pci_power_manageable(struct pci_dev *dev) 174static bool acpi_pci_power_manageable(struct pci_dev *dev)
175{ 175{
176 acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); 176 acpi_handle handle = ACPI_HANDLE(&dev->dev);
177 177
178 return handle ? acpi_bus_power_manageable(handle) : false; 178 return handle ? acpi_bus_power_manageable(handle) : false;
179} 179}
180 180
181static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) 181static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
182{ 182{
183 acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); 183 acpi_handle handle = ACPI_HANDLE(&dev->dev);
184 static const u8 state_conv[] = { 184 static const u8 state_conv[] = {
185 [PCI_D0] = ACPI_STATE_D0, 185 [PCI_D0] = ACPI_STATE_D0,
186 [PCI_D1] = ACPI_STATE_D1, 186 [PCI_D1] = ACPI_STATE_D1,
@@ -217,7 +217,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
217 217
218static bool acpi_pci_can_wakeup(struct pci_dev *dev) 218static bool acpi_pci_can_wakeup(struct pci_dev *dev)
219{ 219{
220 acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); 220 acpi_handle handle = ACPI_HANDLE(&dev->dev);
221 221
222 return handle ? acpi_bus_can_wakeup(handle) : false; 222 return handle ? acpi_bus_can_wakeup(handle) : false;
223} 223}
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index edaed6f4da6c..d51f45aa669e 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -263,7 +263,7 @@ device_has_dsm(struct device *dev)
263 acpi_handle handle; 263 acpi_handle handle;
264 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; 264 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
265 265
266 handle = DEVICE_ACPI_HANDLE(dev); 266 handle = ACPI_HANDLE(dev);
267 267
268 if (!handle) 268 if (!handle)
269 return FALSE; 269 return FALSE;
@@ -295,7 +295,7 @@ acpilabel_show(struct device *dev, struct device_attribute *attr, char *buf)
295 acpi_handle handle; 295 acpi_handle handle;
296 int length; 296 int length;
297 297
298 handle = DEVICE_ACPI_HANDLE(dev); 298 handle = ACPI_HANDLE(dev);
299 299
300 if (!handle) 300 if (!handle)
301 return -1; 301 return -1;
@@ -316,7 +316,7 @@ acpiindex_show(struct device *dev, struct device_attribute *attr, char *buf)
316 acpi_handle handle; 316 acpi_handle handle;
317 int length; 317 int length;
318 318
319 handle = DEVICE_ACPI_HANDLE(dev); 319 handle = ACPI_HANDLE(dev);
320 320
321 if (!handle) 321 if (!handle)
322 return -1; 322 return -1;
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 605a9be55129..b9429fbf1cd8 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -519,7 +519,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
519 519
520 gmux_data->power_state = VGA_SWITCHEROO_ON; 520 gmux_data->power_state = VGA_SWITCHEROO_ON;
521 521
522 gmux_data->dhandle = DEVICE_ACPI_HANDLE(&pnp->dev); 522 gmux_data->dhandle = ACPI_HANDLE(&pnp->dev);
523 if (!gmux_data->dhandle) { 523 if (!gmux_data->dhandle) {
524 pr_err("Cannot find acpi handle for pnp device %s\n", 524 pr_err("Cannot find acpi handle for pnp device %s\n",
525 dev_name(&pnp->dev)); 525 dev_name(&pnp->dev));
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 747826d99059..14655a0f0431 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -89,7 +89,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
89 89
90 pnp_dbg(&dev->dev, "set resources\n"); 90 pnp_dbg(&dev->dev, "set resources\n");
91 91
92 handle = DEVICE_ACPI_HANDLE(&dev->dev); 92 handle = ACPI_HANDLE(&dev->dev);
93 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) { 93 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
94 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__); 94 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
95 return -ENODEV; 95 return -ENODEV;
@@ -122,7 +122,7 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
122 122
123 dev_dbg(&dev->dev, "disable resources\n"); 123 dev_dbg(&dev->dev, "disable resources\n");
124 124
125 handle = DEVICE_ACPI_HANDLE(&dev->dev); 125 handle = ACPI_HANDLE(&dev->dev);
126 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) { 126 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
127 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__); 127 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
128 return 0; 128 return 0;
@@ -144,7 +144,7 @@ static bool pnpacpi_can_wakeup(struct pnp_dev *dev)
144 struct acpi_device *acpi_dev; 144 struct acpi_device *acpi_dev;
145 acpi_handle handle; 145 acpi_handle handle;
146 146
147 handle = DEVICE_ACPI_HANDLE(&dev->dev); 147 handle = ACPI_HANDLE(&dev->dev);
148 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) { 148 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
149 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__); 149 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
150 return false; 150 return false;
@@ -159,7 +159,7 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
159 acpi_handle handle; 159 acpi_handle handle;
160 int error = 0; 160 int error = 0;
161 161
162 handle = DEVICE_ACPI_HANDLE(&dev->dev); 162 handle = ACPI_HANDLE(&dev->dev);
163 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) { 163 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
164 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__); 164 dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
165 return 0; 165 return 0;
@@ -194,7 +194,7 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
194static int pnpacpi_resume(struct pnp_dev *dev) 194static int pnpacpi_resume(struct pnp_dev *dev)
195{ 195{
196 struct acpi_device *acpi_dev; 196 struct acpi_device *acpi_dev;
197 acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); 197 acpi_handle handle = ACPI_HANDLE(&dev->dev);
198 int error = 0; 198 int error = 0;
199 199
200 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) { 200 if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 8d85ddc46011..18cc625d887f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -357,6 +357,19 @@ struct spi_device *spi_alloc_device(struct spi_master *master)
357} 357}
358EXPORT_SYMBOL_GPL(spi_alloc_device); 358EXPORT_SYMBOL_GPL(spi_alloc_device);
359 359
360static void spi_dev_set_name(struct spi_device *spi)
361{
362 struct acpi_device *adev = ACPI_COMPANION(&spi->dev);
363
364 if (adev) {
365 dev_set_name(&spi->dev, "spi-%s", acpi_dev_name(adev));
366 return;
367 }
368
369 dev_set_name(&spi->dev, "%s.%u", dev_name(&spi->master->dev),
370 spi->chip_select);
371}
372
360/** 373/**
361 * spi_add_device - Add spi_device allocated with spi_alloc_device 374 * spi_add_device - Add spi_device allocated with spi_alloc_device
362 * @spi: spi_device to register 375 * @spi: spi_device to register
@@ -383,9 +396,7 @@ int spi_add_device(struct spi_device *spi)
383 } 396 }
384 397
385 /* Set the bus ID string */ 398 /* Set the bus ID string */
386 dev_set_name(&spi->dev, "%s.%u", dev_name(&spi->master->dev), 399 spi_dev_set_name(spi);
387 spi->chip_select);
388
389 400
390 /* We need to make sure there's no other device with this 401 /* We need to make sure there's no other device with this
391 * chipselect **BEFORE** we call setup(), else we'll trash 402 * chipselect **BEFORE** we call setup(), else we'll trash
@@ -1144,7 +1155,7 @@ static acpi_status acpi_spi_add_device(acpi_handle handle, u32 level,
1144 return AE_NO_MEMORY; 1155 return AE_NO_MEMORY;
1145 } 1156 }
1146 1157
1147 ACPI_HANDLE_SET(&spi->dev, handle); 1158 ACPI_COMPANION_SET(&spi->dev, adev);
1148 spi->irq = -1; 1159 spi->irq = -1;
1149 1160
1150 INIT_LIST_HEAD(&resource_list); 1161 INIT_LIST_HEAD(&resource_list);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 06cec635e703..a7c04e24ca48 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5501,6 +5501,6 @@ acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
5501 if (!hub) 5501 if (!hub)
5502 return NULL; 5502 return NULL;
5503 5503
5504 return DEVICE_ACPI_HANDLE(&hub->ports[port1 - 1]->dev); 5504 return ACPI_HANDLE(&hub->ports[port1 - 1]->dev);
5505} 5505}
5506#endif 5506#endif
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index 255c14464bf2..4e243c37f17f 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -173,7 +173,7 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle)
173 } 173 }
174 174
175 /* root hub's parent is the usb hcd. */ 175 /* root hub's parent is the usb hcd. */
176 parent_handle = DEVICE_ACPI_HANDLE(dev->parent); 176 parent_handle = ACPI_HANDLE(dev->parent);
177 *handle = acpi_get_child(parent_handle, udev->portnum); 177 *handle = acpi_get_child(parent_handle, udev->portnum);
178 if (!*handle) 178 if (!*handle)
179 return -ENODEV; 179 return -ENODEV;
@@ -194,7 +194,7 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle)
194 194
195 raw_port_num = usb_hcd_find_raw_port_number(hcd, 195 raw_port_num = usb_hcd_find_raw_port_number(hcd,
196 port_num); 196 port_num);
197 *handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev), 197 *handle = acpi_get_child(ACPI_HANDLE(&udev->dev),
198 raw_port_num); 198 raw_port_num);
199 if (!*handle) 199 if (!*handle)
200 return -ENODEV; 200 return -ENODEV;
diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c
index d15f6e80479f..188825122aae 100644
--- a/drivers/xen/pci.c
+++ b/drivers/xen/pci.c
@@ -59,12 +59,12 @@ static int xen_add_device(struct device *dev)
59 add.flags = XEN_PCI_DEV_EXTFN; 59 add.flags = XEN_PCI_DEV_EXTFN;
60 60
61#ifdef CONFIG_ACPI 61#ifdef CONFIG_ACPI
62 handle = DEVICE_ACPI_HANDLE(&pci_dev->dev); 62 handle = ACPI_HANDLE(&pci_dev->dev);
63 if (!handle && pci_dev->bus->bridge) 63 if (!handle && pci_dev->bus->bridge)
64 handle = DEVICE_ACPI_HANDLE(pci_dev->bus->bridge); 64 handle = ACPI_HANDLE(pci_dev->bus->bridge);
65#ifdef CONFIG_PCI_IOV 65#ifdef CONFIG_PCI_IOV
66 if (!handle && pci_dev->is_virtfn) 66 if (!handle && pci_dev->is_virtfn)
67 handle = DEVICE_ACPI_HANDLE(physfn->bus->bridge); 67 handle = ACPI_HANDLE(physfn->bus->bridge);
68#endif 68#endif
69 if (handle) { 69 if (handle) {
70 acpi_status status; 70 acpi_status status;
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 89c60b0f6408..7b2de026a4f3 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -431,9 +431,9 @@ static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
431{ 431{
432 return acpi_find_child(handle, addr, false); 432 return acpi_find_child(handle, addr, false);
433} 433}
434void acpi_preset_companion(struct device *dev, acpi_handle parent, u64 addr);
434int acpi_is_root_bridge(acpi_handle); 435int acpi_is_root_bridge(acpi_handle);
435struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); 436struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
436#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev))
437 437
438int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); 438int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state);
439int acpi_disable_wakeup_device_power(struct acpi_device *dev); 439int acpi_disable_wakeup_device_power(struct acpi_device *dev);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b0972c4ce81c..d9099b15b472 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -44,6 +44,20 @@
44#include <acpi/acpi_numa.h> 44#include <acpi/acpi_numa.h>
45#include <asm/acpi.h> 45#include <asm/acpi.h>
46 46
47static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
48{
49 return adev ? adev->handle : NULL;
50}
51
52#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
53#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
54#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
55
56static inline const char *acpi_dev_name(struct acpi_device *adev)
57{
58 return dev_name(&adev->dev);
59}
60
47enum acpi_irq_model_id { 61enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0, 62 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC, 63 ACPI_IRQ_MODEL_IOAPIC,
@@ -401,6 +415,15 @@ static inline bool acpi_driver_match_device(struct device *dev,
401 415
402#define acpi_disabled 1 416#define acpi_disabled 1
403 417
418#define ACPI_COMPANION(dev) (NULL)
419#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
420#define ACPI_HANDLE(dev) (NULL)
421
422static inline const char *acpi_dev_name(struct acpi_device *adev)
423{
424 return NULL;
425}
426
404static inline void acpi_early_init(void) { } 427static inline void acpi_early_init(void) { }
405 428
406static inline int early_acpi_boot_init(void) 429static inline int early_acpi_boot_init(void)
diff --git a/include/linux/device.h b/include/linux/device.h
index b025925df7f7..952b01033c32 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -644,9 +644,11 @@ struct device_dma_parameters {
644 unsigned long segment_boundary_mask; 644 unsigned long segment_boundary_mask;
645}; 645};
646 646
647struct acpi_device;
648
647struct acpi_dev_node { 649struct acpi_dev_node {
648#ifdef CONFIG_ACPI 650#ifdef CONFIG_ACPI
649 void *handle; 651 struct acpi_device *companion;
650#endif 652#endif
651}; 653};
652 654
@@ -790,14 +792,6 @@ static inline struct device *kobj_to_dev(struct kobject *kobj)
790 return container_of(kobj, struct device, kobj); 792 return container_of(kobj, struct device, kobj);
791} 793}
792 794
793#ifdef CONFIG_ACPI
794#define ACPI_HANDLE(dev) ((dev)->acpi_node.handle)
795#define ACPI_HANDLE_SET(dev, _handle_) (dev)->acpi_node.handle = (_handle_)
796#else
797#define ACPI_HANDLE(dev) (NULL)
798#define ACPI_HANDLE_SET(dev, _handle_) do { } while (0)
799#endif
800
801/* Get the wakeup routines, which depend on struct device */ 795/* Get the wakeup routines, which depend on struct device */
802#include <linux/pm_wakeup.h> 796#include <linux/pm_wakeup.h>
803 797
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index d006f0ca60f4..5a462c4e5009 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -27,7 +27,7 @@ static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
27 while (!pci_is_root_bus(pbus)) 27 while (!pci_is_root_bus(pbus))
28 pbus = pbus->parent; 28 pbus = pbus->parent;
29 29
30 return DEVICE_ACPI_HANDLE(pbus->bridge); 30 return ACPI_HANDLE(pbus->bridge);
31} 31}
32 32
33static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) 33static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
@@ -39,7 +39,7 @@ static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
39 else 39 else
40 dev = &pbus->self->dev; 40 dev = &pbus->self->dev;
41 41
42 return DEVICE_ACPI_HANDLE(dev); 42 return ACPI_HANDLE(dev);
43} 43}
44 44
45void acpi_pci_add_bus(struct pci_bus *bus); 45void acpi_pci_add_bus(struct pci_bus *bus);
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 10c22cae83a0..b38109e204af 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -792,7 +792,8 @@ void free_basic_memory_bitmaps(void)
792{ 792{
793 struct memory_bitmap *bm1, *bm2; 793 struct memory_bitmap *bm1, *bm2;
794 794
795 BUG_ON(!(forbidden_pages_map && free_pages_map)); 795 if (WARN_ON(!(forbidden_pages_map && free_pages_map)))
796 return;
796 797
797 bm1 = forbidden_pages_map; 798 bm1 = forbidden_pages_map;
798 bm2 = free_pages_map; 799 bm2 = free_pages_map;
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 24850270c802..98d357584cd6 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -70,6 +70,7 @@ static int snapshot_open(struct inode *inode, struct file *filp)
70 data->swap = swsusp_resume_device ? 70 data->swap = swsusp_resume_device ?
71 swap_type_of(swsusp_resume_device, 0, NULL) : -1; 71 swap_type_of(swsusp_resume_device, 0, NULL) : -1;
72 data->mode = O_RDONLY; 72 data->mode = O_RDONLY;
73 data->free_bitmaps = false;
73 error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE); 74 error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
74 if (error) 75 if (error)
75 pm_notifier_call_chain(PM_POST_HIBERNATION); 76 pm_notifier_call_chain(PM_POST_HIBERNATION);
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index fe702076ca46..9d77f13c2d25 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2,7 +2,7 @@
2 * turbostat -- show CPU frequency and C-state residency 2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors. 3 * on modern Intel turbo-capable processors.
4 * 4 *
5 * Copyright (c) 2012 Intel Corporation. 5 * Copyright (c) 2013 Intel Corporation.
6 * Len Brown <len.brown@intel.com> 6 * Len Brown <len.brown@intel.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify it 8 * This program is free software; you can redistribute it and/or modify it
@@ -47,6 +47,8 @@ unsigned int skip_c1;
47unsigned int do_nhm_cstates; 47unsigned int do_nhm_cstates;
48unsigned int do_snb_cstates; 48unsigned int do_snb_cstates;
49unsigned int do_c8_c9_c10; 49unsigned int do_c8_c9_c10;
50unsigned int do_slm_cstates;
51unsigned int use_c1_residency_msr;
50unsigned int has_aperf; 52unsigned int has_aperf;
51unsigned int has_epb; 53unsigned int has_epb;
52unsigned int units = 1000000000; /* Ghz etc */ 54unsigned int units = 1000000000; /* Ghz etc */
@@ -81,6 +83,8 @@ double rapl_joule_counter_range;
81#define RAPL_DRAM (1 << 3) 83#define RAPL_DRAM (1 << 3)
82#define RAPL_PKG_PERF_STATUS (1 << 4) 84#define RAPL_PKG_PERF_STATUS (1 << 4)
83#define RAPL_DRAM_PERF_STATUS (1 << 5) 85#define RAPL_DRAM_PERF_STATUS (1 << 5)
86#define RAPL_PKG_POWER_INFO (1 << 6)
87#define RAPL_CORE_POLICY (1 << 7)
84#define TJMAX_DEFAULT 100 88#define TJMAX_DEFAULT 100
85 89
86#define MAX(a, b) ((a) > (b) ? (a) : (b)) 90#define MAX(a, b) ((a) > (b) ? (a) : (b))
@@ -96,7 +100,7 @@ struct thread_data {
96 unsigned long long tsc; 100 unsigned long long tsc;
97 unsigned long long aperf; 101 unsigned long long aperf;
98 unsigned long long mperf; 102 unsigned long long mperf;
99 unsigned long long c1; /* derived */ 103 unsigned long long c1;
100 unsigned long long extra_msr64; 104 unsigned long long extra_msr64;
101 unsigned long long extra_delta64; 105 unsigned long long extra_delta64;
102 unsigned long long extra_msr32; 106 unsigned long long extra_msr32;
@@ -266,7 +270,7 @@ void print_header(void)
266 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 270 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
267 if (do_nhm_cstates) 271 if (do_nhm_cstates)
268 outp += sprintf(outp, " %%c1"); 272 outp += sprintf(outp, " %%c1");
269 if (do_nhm_cstates) 273 if (do_nhm_cstates && !do_slm_cstates)
270 outp += sprintf(outp, " %%c3"); 274 outp += sprintf(outp, " %%c3");
271 if (do_nhm_cstates) 275 if (do_nhm_cstates)
272 outp += sprintf(outp, " %%c6"); 276 outp += sprintf(outp, " %%c6");
@@ -280,9 +284,9 @@ void print_header(void)
280 284
281 if (do_snb_cstates) 285 if (do_snb_cstates)
282 outp += sprintf(outp, " %%pc2"); 286 outp += sprintf(outp, " %%pc2");
283 if (do_nhm_cstates) 287 if (do_nhm_cstates && !do_slm_cstates)
284 outp += sprintf(outp, " %%pc3"); 288 outp += sprintf(outp, " %%pc3");
285 if (do_nhm_cstates) 289 if (do_nhm_cstates && !do_slm_cstates)
286 outp += sprintf(outp, " %%pc6"); 290 outp += sprintf(outp, " %%pc6");
287 if (do_snb_cstates) 291 if (do_snb_cstates)
288 outp += sprintf(outp, " %%pc7"); 292 outp += sprintf(outp, " %%pc7");
@@ -480,7 +484,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
480 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 484 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
481 goto done; 485 goto done;
482 486
483 if (do_nhm_cstates) 487 if (do_nhm_cstates && !do_slm_cstates)
484 outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc); 488 outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc);
485 if (do_nhm_cstates) 489 if (do_nhm_cstates)
486 outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc); 490 outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc);
@@ -499,9 +503,9 @@ int format_counters(struct thread_data *t, struct core_data *c,
499 503
500 if (do_snb_cstates) 504 if (do_snb_cstates)
501 outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc); 505 outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc);
502 if (do_nhm_cstates) 506 if (do_nhm_cstates && !do_slm_cstates)
503 outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc); 507 outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc);
504 if (do_nhm_cstates) 508 if (do_nhm_cstates && !do_slm_cstates)
505 outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc); 509 outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc);
506 if (do_snb_cstates) 510 if (do_snb_cstates)
507 outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc); 511 outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
@@ -648,17 +652,24 @@ delta_thread(struct thread_data *new, struct thread_data *old,
648 } 652 }
649 653
650 654
651 /* 655 if (use_c1_residency_msr) {
652 * As counter collection is not atomic, 656 /*
653 * it is possible for mperf's non-halted cycles + idle states 657 * Some models have a dedicated C1 residency MSR,
654 * to exceed TSC's all cycles: show c1 = 0% in that case. 658 * which should be more accurate than the derivation below.
655 */ 659 */
656 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 660 } else {
657 old->c1 = 0; 661 /*
658 else { 662 * As counter collection is not atomic,
659 /* normal case, derive c1 */ 663 * it is possible for mperf's non-halted cycles + idle states
660 old->c1 = old->tsc - old->mperf - core_delta->c3 664 * to exceed TSC's all cycles: show c1 = 0% in that case.
665 */
666 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
667 old->c1 = 0;
668 else {
669 /* normal case, derive c1 */
670 old->c1 = old->tsc - old->mperf - core_delta->c3
661 - core_delta->c6 - core_delta->c7; 671 - core_delta->c6 - core_delta->c7;
672 }
662 } 673 }
663 674
664 if (old->mperf == 0) { 675 if (old->mperf == 0) {
@@ -872,13 +883,21 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
872 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 883 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
873 return -5; 884 return -5;
874 885
886 if (use_c1_residency_msr) {
887 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
888 return -6;
889 }
890
875 /* collect core counters only for 1st thread in core */ 891 /* collect core counters only for 1st thread in core */
876 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 892 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
877 return 0; 893 return 0;
878 894
879 if (do_nhm_cstates) { 895 if (do_nhm_cstates && !do_slm_cstates) {
880 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 896 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
881 return -6; 897 return -6;
898 }
899
900 if (do_nhm_cstates) {
882 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 901 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
883 return -7; 902 return -7;
884 } 903 }
@@ -898,7 +917,7 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
898 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 917 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
899 return 0; 918 return 0;
900 919
901 if (do_nhm_cstates) { 920 if (do_nhm_cstates && !do_slm_cstates) {
902 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 921 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
903 return -9; 922 return -9;
904 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 923 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
@@ -977,7 +996,7 @@ void print_verbose_header(void)
977 ratio, bclk, ratio * bclk); 996 ratio, bclk, ratio * bclk);
978 997
979 get_msr(0, MSR_IA32_POWER_CTL, &msr); 998 get_msr(0, MSR_IA32_POWER_CTL, &msr);
980 fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E: %sabled)\n", 999 fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
981 msr, msr & 0x2 ? "EN" : "DIS"); 1000 msr, msr & 0x2 ? "EN" : "DIS");
982 1001
983 if (!do_ivt_turbo_ratio_limit) 1002 if (!do_ivt_turbo_ratio_limit)
@@ -1046,25 +1065,28 @@ print_nhm_turbo_ratio_limits:
1046 1065
1047 switch(msr & 0x7) { 1066 switch(msr & 0x7) {
1048 case 0: 1067 case 0:
1049 fprintf(stderr, "pc0"); 1068 fprintf(stderr, do_slm_cstates ? "no pkg states" : "pc0");
1050 break; 1069 break;
1051 case 1: 1070 case 1:
1052 fprintf(stderr, do_snb_cstates ? "pc2" : "pc0"); 1071 fprintf(stderr, do_slm_cstates ? "no pkg states" : do_snb_cstates ? "pc2" : "pc0");
1053 break; 1072 break;
1054 case 2: 1073 case 2:
1055 fprintf(stderr, do_snb_cstates ? "pc6-noret" : "pc3"); 1074 fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc6-noret" : "pc3");
1056 break; 1075 break;
1057 case 3: 1076 case 3:
1058 fprintf(stderr, "pc6"); 1077 fprintf(stderr, do_slm_cstates ? "invalid" : "pc6");
1059 break; 1078 break;
1060 case 4: 1079 case 4:
1061 fprintf(stderr, "pc7"); 1080 fprintf(stderr, do_slm_cstates ? "pc4" : "pc7");
1062 break; 1081 break;
1063 case 5: 1082 case 5:
1064 fprintf(stderr, do_snb_cstates ? "pc7s" : "invalid"); 1083 fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc7s" : "invalid");
1084 break;
1085 case 6:
1086 fprintf(stderr, do_slm_cstates ? "pc6" : "invalid");
1065 break; 1087 break;
1066 case 7: 1088 case 7:
1067 fprintf(stderr, "unlimited"); 1089 fprintf(stderr, do_slm_cstates ? "pc7" : "unlimited");
1068 break; 1090 break;
1069 default: 1091 default:
1070 fprintf(stderr, "invalid"); 1092 fprintf(stderr, "invalid");
@@ -1460,6 +1482,8 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
1460 case 0x3F: /* HSW */ 1482 case 0x3F: /* HSW */
1461 case 0x45: /* HSW */ 1483 case 0x45: /* HSW */
1462 case 0x46: /* HSW */ 1484 case 0x46: /* HSW */
1485 case 0x37: /* BYT */
1486 case 0x4D: /* AVN */
1463 return 1; 1487 return 1;
1464 case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1488 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1465 case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1489 case 0x2F: /* Westmere-EX Xeon - Eagleton */
@@ -1532,14 +1556,33 @@ int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1532#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 1556#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
1533#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 1557#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
1534 1558
1559double get_tdp(model)
1560{
1561 unsigned long long msr;
1562
1563 if (do_rapl & RAPL_PKG_POWER_INFO)
1564 if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
1565 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
1566
1567 switch (model) {
1568 case 0x37:
1569 case 0x4D:
1570 return 30.0;
1571 default:
1572 return 135.0;
1573 }
1574}
1575
1576
1535/* 1577/*
1536 * rapl_probe() 1578 * rapl_probe()
1537 * 1579 *
1538 * sets do_rapl 1580 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
1539 */ 1581 */
1540void rapl_probe(unsigned int family, unsigned int model) 1582void rapl_probe(unsigned int family, unsigned int model)
1541{ 1583{
1542 unsigned long long msr; 1584 unsigned long long msr;
1585 unsigned int time_unit;
1543 double tdp; 1586 double tdp;
1544 1587
1545 if (!genuine_intel) 1588 if (!genuine_intel)
@@ -1555,11 +1598,15 @@ void rapl_probe(unsigned int family, unsigned int model)
1555 case 0x3F: /* HSW */ 1598 case 0x3F: /* HSW */
1556 case 0x45: /* HSW */ 1599 case 0x45: /* HSW */
1557 case 0x46: /* HSW */ 1600 case 0x46: /* HSW */
1558 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX; 1601 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
1559 break; 1602 break;
1560 case 0x2D: 1603 case 0x2D:
1561 case 0x3E: 1604 case 0x3E:
1562 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS; 1605 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
1606 break;
1607 case 0x37: /* BYT */
1608 case 0x4D: /* AVN */
1609 do_rapl = RAPL_PKG | RAPL_CORES ;
1563 break; 1610 break;
1564 default: 1611 default:
1565 return; 1612 return;
@@ -1570,19 +1617,22 @@ void rapl_probe(unsigned int family, unsigned int model)
1570 return; 1617 return;
1571 1618
1572 rapl_power_units = 1.0 / (1 << (msr & 0xF)); 1619 rapl_power_units = 1.0 / (1 << (msr & 0xF));
1573 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 1620 if (model == 0x37)
1574 rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF)); 1621 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
1622 else
1623 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1575 1624
1576 /* get TDP to determine energy counter range */ 1625 time_unit = msr >> 16 & 0xF;
1577 if (get_msr(0, MSR_PKG_POWER_INFO, &msr)) 1626 if (time_unit == 0)
1578 return; 1627 time_unit = 0xA;
1579 1628
1580 tdp = ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 1629 rapl_time_units = 1.0 / (1 << (time_unit));
1581 1630
1582 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 1631 tdp = get_tdp(model);
1583 1632
1633 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
1584 if (verbose) 1634 if (verbose)
1585 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range\n", rapl_joule_counter_range); 1635 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
1586 1636
1587 return; 1637 return;
1588} 1638}
@@ -1668,7 +1718,6 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1668{ 1718{
1669 unsigned long long msr; 1719 unsigned long long msr;
1670 int cpu; 1720 int cpu;
1671 double local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units;
1672 1721
1673 if (!do_rapl) 1722 if (!do_rapl)
1674 return 0; 1723 return 0;
@@ -1686,23 +1735,13 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1686 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 1735 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
1687 return -1; 1736 return -1;
1688 1737
1689 local_rapl_power_units = 1.0 / (1 << (msr & 0xF));
1690 local_rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1691 local_rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
1692
1693 if (local_rapl_power_units != rapl_power_units)
1694 fprintf(stderr, "cpu%d, ERROR: Power units mis-match\n", cpu);
1695 if (local_rapl_energy_units != rapl_energy_units)
1696 fprintf(stderr, "cpu%d, ERROR: Energy units mis-match\n", cpu);
1697 if (local_rapl_time_units != rapl_time_units)
1698 fprintf(stderr, "cpu%d, ERROR: Time units mis-match\n", cpu);
1699
1700 if (verbose) { 1738 if (verbose) {
1701 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 1739 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
1702 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 1740 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
1703 local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units); 1741 rapl_power_units, rapl_energy_units, rapl_time_units);
1704 } 1742 }
1705 if (do_rapl & RAPL_PKG) { 1743 if (do_rapl & RAPL_PKG_POWER_INFO) {
1744
1706 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 1745 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
1707 return -5; 1746 return -5;
1708 1747
@@ -1714,6 +1753,9 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1714 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 1753 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1715 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 1754 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1716 1755
1756 }
1757 if (do_rapl & RAPL_PKG) {
1758
1717 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 1759 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
1718 return -9; 1760 return -9;
1719 1761
@@ -1749,12 +1791,16 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1749 1791
1750 print_power_limit_msr(cpu, msr, "DRAM Limit"); 1792 print_power_limit_msr(cpu, msr, "DRAM Limit");
1751 } 1793 }
1752 if (do_rapl & RAPL_CORES) { 1794 if (do_rapl & RAPL_CORE_POLICY) {
1753 if (verbose) { 1795 if (verbose) {
1754 if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 1796 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
1755 return -7; 1797 return -7;
1756 1798
1757 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 1799 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
1800 }
1801 }
1802 if (do_rapl & RAPL_CORES) {
1803 if (verbose) {
1758 1804
1759 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 1805 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
1760 return -9; 1806 return -9;
@@ -1813,10 +1859,48 @@ int has_c8_c9_c10(unsigned int family, unsigned int model)
1813} 1859}
1814 1860
1815 1861
1862int is_slm(unsigned int family, unsigned int model)
1863{
1864 if (!genuine_intel)
1865 return 0;
1866 switch (model) {
1867 case 0x37: /* BYT */
1868 case 0x4D: /* AVN */
1869 return 1;
1870 }
1871 return 0;
1872}
1873
1874#define SLM_BCLK_FREQS 5
1875double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
1876
1877double slm_bclk(void)
1878{
1879 unsigned long long msr = 3;
1880 unsigned int i;
1881 double freq;
1882
1883 if (get_msr(0, MSR_FSB_FREQ, &msr))
1884 fprintf(stderr, "SLM BCLK: unknown\n");
1885
1886 i = msr & 0xf;
1887 if (i >= SLM_BCLK_FREQS) {
1888 fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
1889 msr = 3;
1890 }
1891 freq = slm_freq_table[i];
1892
1893 fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
1894
1895 return freq;
1896}
1897
1816double discover_bclk(unsigned int family, unsigned int model) 1898double discover_bclk(unsigned int family, unsigned int model)
1817{ 1899{
1818 if (is_snb(family, model)) 1900 if (is_snb(family, model))
1819 return 100.00; 1901 return 100.00;
1902 else if (is_slm(family, model))
1903 return slm_bclk();
1820 else 1904 else
1821 return 133.33; 1905 return 133.33;
1822} 1906}
@@ -1873,7 +1957,7 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk
1873 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 1957 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
1874 cpu, msr, target_c_local); 1958 cpu, msr, target_c_local);
1875 1959
1876 if (target_c_local < 85 || target_c_local > 120) 1960 if (target_c_local < 85 || target_c_local > 127)
1877 goto guess; 1961 goto guess;
1878 1962
1879 tcc_activation_temp = target_c_local; 1963 tcc_activation_temp = target_c_local;
@@ -1970,6 +2054,7 @@ void check_cpuid()
1970 do_smi = do_nhm_cstates; 2054 do_smi = do_nhm_cstates;
1971 do_snb_cstates = is_snb(family, model); 2055 do_snb_cstates = is_snb(family, model);
1972 do_c8_c9_c10 = has_c8_c9_c10(family, model); 2056 do_c8_c9_c10 = has_c8_c9_c10(family, model);
2057 do_slm_cstates = is_slm(family, model);
1973 bclk = discover_bclk(family, model); 2058 bclk = discover_bclk(family, model);
1974 2059
1975 do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model); 2060 do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
@@ -2331,7 +2416,7 @@ int main(int argc, char **argv)
2331 cmdline(argc, argv); 2416 cmdline(argc, argv);
2332 2417
2333 if (verbose) 2418 if (verbose)
2334 fprintf(stderr, "turbostat v3.4 April 17, 2013" 2419 fprintf(stderr, "turbostat v3.5 April 26, 2013"
2335 " - Len Brown <lenb@kernel.org>\n"); 2420 " - Len Brown <lenb@kernel.org>\n");
2336 2421
2337 turbostat_init(); 2422 turbostat_init();
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-26 15:59:16 -0500