Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:

 - Rework of the ACPI namespace scanning code from Rafael J.  Wysocki
   with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
   Toshi Kani, and Yinghai Lu.

 - ACPI power resources handling and ACPI device PM update from Rafael
   J Wysocki.

 - ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
   contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.

 - Support for Intel Lynxpoint LPSS from Mika Westerberg.

 - cpuidle update from Len Brown including Intel Haswell support, C1
   state for intel_idle, removal of global pm_idle.

 - cpuidle fixes and cleanups from Daniel Lezcano.

 - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
   contributions from Stratos Karafotis and Rickard Andersson.

 - Intel P-states driver for Sandy Bridge processors from Dirk
   Brandewie.

 - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.

 - cpufreq fixes related to ordering issues between acpi-cpufreq and
   powernow-k8 from Borislav Petkov and Matthew Garrett.

 - cpufreq support for Calxeda Highbank processors from Mark Langsdorf
   and Rob Herring.

 - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
   from Shawn Guo.

 - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
   and Inderpal Singh.

 - Support for "lightweight suspend" from Zhang Rui.

 - Removal of the deprecated power trace API from Paul Gortmaker.

 - Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
   Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
   Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
   Ishimatsu.

* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
  PM idle: remove global declaration of pm_idle
  unicore32 idle: delete stray pm_idle comment
  openrisc idle: delete pm_idle
  mn10300 idle: delete pm_idle
  microblaze idle: delete pm_idle
  m32r idle: delete pm_idle, and other dead idle code
  ia64 idle: delete pm_idle
  cris idle: delete idle and pm_idle
  ARM64 idle: delete pm_idle
  ARM idle: delete pm_idle
  blackfin idle: delete pm_idle
  sparc idle: rename pm_idle to sparc_idle
  sh idle: rename global pm_idle to static sh_idle
  x86 idle: rename global pm_idle to static x86_idle
  APM idle: register apm_cpu_idle via cpuidle
  cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
  cpufreq / intel_pstate: Change to disallow module build
  tools/power turbostat: display SMI count by default
  intel_idle: export both C1 and C1E
  ACPI / hotplug: Fix concurrency issues and memory leaks
  ...

1 files changed, 0 insertions, 270 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 1f0d457ecbcf..01708a165368 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -178,276 +178,6 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data)
 }
 EXPORT_SYMBOL(acpi_bus_get_private_data);
 
-/* --------------------------------------------------------------------------
-                                 Power Management
-   -------------------------------------------------------------------------- */
-
-static const char *state_string(int state)
-{
-	switch (state) {
-	case ACPI_STATE_D0:
-		return "D0";
-	case ACPI_STATE_D1:
-		return "D1";
-	case ACPI_STATE_D2:
-		return "D2";
-	case ACPI_STATE_D3_HOT:
-		return "D3hot";
-	case ACPI_STATE_D3_COLD:
-		return "D3";
-	default:
-		return "(unknown)";
-	}
-}
-
-static int __acpi_bus_get_power(struct acpi_device *device, int *state)
-{
-	int result = ACPI_STATE_UNKNOWN;
-
-	if (!device || !state)
-		return -EINVAL;
-
-	if (!device->flags.power_manageable) {
-		/* TBD: Non-recursive algorithm for walking up hierarchy. */
-		*state = device->parent ?
-			device->parent->power.state : ACPI_STATE_D0;
-		goto out;
-	}
-
-	/*
-	 * Get the device's power state either directly (via _PSC) or
-	 * indirectly (via power resources).
-	 */
-	if (device->power.flags.explicit_get) {
-		unsigned long long psc;
-		acpi_status status = acpi_evaluate_integer(device->handle,
-							   "_PSC", NULL, &psc);
-		if (ACPI_FAILURE(status))
-			return -ENODEV;
-
-		result = psc;
-	}
-	/* The test below covers ACPI_STATE_UNKNOWN too. */
-	if (result <= ACPI_STATE_D2) {
-	  ; /* Do nothing. */
-	} else if (device->power.flags.power_resources) {
-		int error = acpi_power_get_inferred_state(device, &result);
-		if (error)
-			return error;
-	} else if (result == ACPI_STATE_D3_HOT) {
-		result = ACPI_STATE_D3;
-	}
-
-	/*
-	 * If we were unsure about the device parent's power state up to this
-	 * point, the fact that the device is in D0 implies that the parent has
-	 * to be in D0 too.
-	 */
-	if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN
-	    && result == ACPI_STATE_D0)
-		device->parent->power.state = ACPI_STATE_D0;
-
-	*state = result;
-
- out:
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is %s\n",
-			  device->pnp.bus_id, state_string(*state)));
-
-	return 0;
-}
-
-
-/**
- * acpi_device_set_power - Set power state of an ACPI device.
- * @device: Device to set the power state of.
- * @state: New power state to set.
- *
- * Callers must ensure that the device is power manageable before using this
- * function.
- */
-int acpi_device_set_power(struct acpi_device *device, int state)
-{
-	int result = 0;
-	acpi_status status = AE_OK;
-	char object_name[5] = { '_', 'P', 'S', '0' + state, '\0' };
-
-	if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
-		return -EINVAL;
-
-	/* Make sure this is a valid target state */
-
-	if (state == device->power.state) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at %s\n",
-				  state_string(state)));
-		return 0;
-	}
-
-	if (!device->power.states[state].flags.valid) {
-		printk(KERN_WARNING PREFIX "Device does not support %s\n",
-		       state_string(state));
-		return -ENODEV;
-	}
-	if (device->parent && (state < device->parent->power.state)) {
-		printk(KERN_WARNING PREFIX
-			      "Cannot set device to a higher-powered"
-			      " state than parent\n");
-		return -ENODEV;
-	}
-
-	/* For D3cold we should execute _PS3, not _PS4. */
-	if (state == ACPI_STATE_D3_COLD)
-		object_name[3] = '3';
-
-	/*
-	 * Transition Power
-	 * ----------------
-	 * On transitions to a high-powered state we first apply power (via
-	 * power resources) then evalute _PSx.  Conversly for transitions to
-	 * a lower-powered state.
-	 */
-	if (state < device->power.state) {
-		if (device->power.state >= ACPI_STATE_D3_HOT &&
-		    state != ACPI_STATE_D0) {
-			printk(KERN_WARNING PREFIX
-			      "Cannot transition to non-D0 state from D3\n");
-			return -ENODEV;
-		}
-		if (device->power.flags.power_resources) {
-			result = acpi_power_transition(device, state);
-			if (result)
-				goto end;
-		}
-		if (device->power.states[state].flags.explicit_set) {
-			status = acpi_evaluate_object(device->handle,
-						      object_name, NULL, NULL);
-			if (ACPI_FAILURE(status)) {
-				result = -ENODEV;
-				goto end;
-			}
-		}
-	} else {
-		if (device->power.states[state].flags.explicit_set) {
-			status = acpi_evaluate_object(device->handle,
-						      object_name, NULL, NULL);
-			if (ACPI_FAILURE(status)) {
-				result = -ENODEV;
-				goto end;
-			}
-		}
-		if (device->power.flags.power_resources) {
-			result = acpi_power_transition(device, state);
-			if (result)
-				goto end;
-		}
-	}
-
-      end:
-	if (result)
-		printk(KERN_WARNING PREFIX
-			      "Device [%s] failed to transition to %s\n",
-			      device->pnp.bus_id, state_string(state));
-	else {
-		device->power.state = state;
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Device [%s] transitioned to %s\n",
-				  device->pnp.bus_id, state_string(state)));
-	}
-
-	return result;
-}
-EXPORT_SYMBOL(acpi_device_set_power);
-
-
-int acpi_bus_set_power(acpi_handle handle, int state)
-{
-	struct acpi_device *device;
-	int result;
-
-	result = acpi_bus_get_device(handle, &device);
-	if (result)
-		return result;
-
-	if (!device->flags.power_manageable) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				"Device [%s] is not power manageable\n",
-				dev_name(&device->dev)));
-		return -ENODEV;
-	}
-
-	return acpi_device_set_power(device, state);
-}
-EXPORT_SYMBOL(acpi_bus_set_power);
-
-
-int acpi_bus_init_power(struct acpi_device *device)
-{
-	int state;
-	int result;
-
-	if (!device)
-		return -EINVAL;
-
-	device->power.state = ACPI_STATE_UNKNOWN;
-
-	result = __acpi_bus_get_power(device, &state);
-	if (result)
-		return result;
-
-	if (device->power.flags.power_resources)
-		result = acpi_power_on_resources(device, state);
-
-	if (!result)
-		device->power.state = state;
-
-	return result;
-}
-
-
-int acpi_bus_update_power(acpi_handle handle, int *state_p)
-{
-	struct acpi_device *device;
-	int state;
-	int result;
-
-	result = acpi_bus_get_device(handle, &device);
-	if (result)
-		return result;
-
-	result = __acpi_bus_get_power(device, &state);
-	if (result)
-		return result;
-
-	result = acpi_device_set_power(device, state);
-	if (!result && state_p)
-		*state_p = state;
-
-	return result;
-}
-EXPORT_SYMBOL_GPL(acpi_bus_update_power);
-
-
-bool acpi_bus_power_manageable(acpi_handle handle)
-{
-	struct acpi_device *device;
-	int result;
-
-	result = acpi_bus_get_device(handle, &device);
-	return result ? false : device->flags.power_manageable;
-}
-
-EXPORT_SYMBOL(acpi_bus_power_manageable);
-
-bool acpi_bus_can_wakeup(acpi_handle handle)
-{
-	struct acpi_device *device;
-	int result;
-
-	result = acpi_bus_get_device(handle, &device);
-	return result ? false : device->wakeup.flags.valid;
-}
-
-EXPORT_SYMBOL(acpi_bus_can_wakeup);
-
 static void acpi_print_osc_error(acpi_handle handle,
 	struct acpi_osc_context *context, char *error)
 {