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Date:	Sat, 27 Jul 2013 15:14:44 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Aaron Lu <aaron.lu@...el.com>, Tejun Heo <tj@...nel.org>,
	linux-ide@...r.kernel.org
Subject: [PATCH 3/3] ACPI / PM: Use ACPI_STATE_D3_COLD instead of ACPI_STATE_D3 everywhere

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

There are several places in the tree where ACPI_STATE_D3 is used
instead of ACPI_STATE_D3_COLD which should be used instead for
clarity.  Modify them all to use ACPI_STATE_D3_COLD as appropriate.

[The definition of ACPI_STATE_D3 itself cannot go away at this point
 as it is part of ACPICA.]

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/fan.c         |    4 ++--
 drivers/acpi/power.c       |    2 +-
 drivers/acpi/scan.c        |    4 ++--
 drivers/ata/libata-acpi.c  |    4 ++--
 drivers/ide/ide-acpi.c     |    5 +++--
 drivers/pnp/pnpacpi/core.c |    6 +++---
 include/acpi/acpi_bus.h    |    3 ++-
 7 files changed, 15 insertions(+), 13 deletions(-)

Index: linux-pm/drivers/acpi/fan.c
===================================================================
--- linux-pm.orig/drivers/acpi/fan.c
+++ linux-pm/drivers/acpi/fan.c
@@ -93,7 +93,7 @@ static int fan_get_cur_state(struct ther
 	if (result)
 		return result;
 
-	*state = (acpi_state == ACPI_STATE_D3 ? 0 :
+	*state = (acpi_state == ACPI_STATE_D3_COLD ? 0 :
 		 (acpi_state == ACPI_STATE_D0 ? 1 : -1));
 	return 0;
 }
@@ -108,7 +108,7 @@ fan_set_cur_state(struct thermal_cooling
 		return -EINVAL;
 
 	result = acpi_bus_set_power(device->handle,
-				state ? ACPI_STATE_D0 : ACPI_STATE_D3);
+				state ? ACPI_STATE_D0 : ACPI_STATE_D3_COLD);
 
 	return result;
 }
Index: linux-pm/drivers/acpi/power.c
===================================================================
--- linux-pm.orig/drivers/acpi/power.c
+++ linux-pm/drivers/acpi/power.c
@@ -784,7 +784,7 @@ int acpi_power_get_inferred_state(struct
 		}
 	}
 
-	*state = ACPI_STATE_D3;
+	*state = ACPI_STATE_D3_COLD;
 	return 0;
 }
 
Index: linux-pm/drivers/acpi/scan.c
===================================================================
--- linux-pm.orig/drivers/acpi/scan.c
+++ linux-pm/drivers/acpi/scan.c
@@ -1409,8 +1409,8 @@ static void acpi_bus_get_power_flags(str
 	/* Set defaults for D0 and D3 states (always valid) */
 	device->power.states[ACPI_STATE_D0].flags.valid = 1;
 	device->power.states[ACPI_STATE_D0].power = 100;
-	device->power.states[ACPI_STATE_D3].flags.valid = 1;
-	device->power.states[ACPI_STATE_D3].power = 0;
+	device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1;
+	device->power.states[ACPI_STATE_D3_COLD].power = 0;
 
 	/* Set D3cold's explicit_set flag if _PS3 exists. */
 	if (device->power.states[ACPI_STATE_D3_HOT].flags.explicit_set)
Index: linux-pm/drivers/ata/libata-acpi.c
===================================================================
--- linux-pm.orig/drivers/ata/libata-acpi.c
+++ linux-pm/drivers/ata/libata-acpi.c
@@ -947,11 +947,11 @@ static void pata_acpi_set_state(struct a
 			continue;
 
 		acpi_bus_set_power(dev_handle, state.event & PM_EVENT_RESUME ?
-						ACPI_STATE_D0 : ACPI_STATE_D3);
+					ACPI_STATE_D0 : ACPI_STATE_D3_COLD);
 	}
 
 	if (!(state.event & PM_EVENT_RESUME))
-		acpi_bus_set_power(port_handle, ACPI_STATE_D3);
+		acpi_bus_set_power(port_handle, ACPI_STATE_D3_COLD);
 }
 
 /**
Index: linux-pm/drivers/ide/ide-acpi.c
===================================================================
--- linux-pm.orig/drivers/ide/ide-acpi.c
+++ linux-pm/drivers/ide/ide-acpi.c
@@ -520,11 +520,12 @@ void ide_acpi_set_state(ide_hwif_t *hwif
 	ide_port_for_each_present_dev(i, drive, hwif) {
 		if (drive->acpidata->obj_handle)
 			acpi_bus_set_power(drive->acpidata->obj_handle,
-					   on ? ACPI_STATE_D0 : ACPI_STATE_D3);
+				on ? ACPI_STATE_D0 : ACPI_STATE_D3_COLD);
 	}
 
 	if (!on)
-		acpi_bus_set_power(hwif->acpidata->obj_handle, ACPI_STATE_D3);
+		acpi_bus_set_power(hwif->acpidata->obj_handle,
+				   ACPI_STATE_D3_COLD);
 }
 
 /**
Index: linux-pm/drivers/pnp/pnpacpi/core.c
===================================================================
--- linux-pm.orig/drivers/pnp/pnpacpi/core.c
+++ linux-pm/drivers/pnp/pnpacpi/core.c
@@ -131,7 +131,7 @@ static int pnpacpi_disable_resources(str
 	/* acpi_unregister_gsi(pnp_irq(dev, 0)); */
 	ret = 0;
 	if (acpi_bus_power_manageable(handle))
-		acpi_bus_set_power(handle, ACPI_STATE_D3);
+		acpi_bus_set_power(handle, ACPI_STATE_D3_COLD);
 		/* continue even if acpi_bus_set_power() fails */
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DIS", NULL, NULL)))
 		ret = -ENODEV;
@@ -174,10 +174,10 @@ static int pnpacpi_suspend(struct pnp_de
 
 	if (acpi_bus_power_manageable(handle)) {
 		int power_state = acpi_pm_device_sleep_state(&dev->dev, NULL,
-							     ACPI_STATE_D3);
+							ACPI_STATE_D3_COLD);
 		if (power_state < 0)
 			power_state = (state.event == PM_EVENT_ON) ?
-					ACPI_STATE_D0 : ACPI_STATE_D3;
+					ACPI_STATE_D0 : ACPI_STATE_D3_COLD;
 
 		/*
 		 * acpi_bus_set_power() often fails (keyboard port can't be
Index: linux-pm/include/acpi/acpi_bus.h
===================================================================
--- linux-pm.orig/include/acpi/acpi_bus.h
+++ linux-pm/include/acpi/acpi_bus.h
@@ -477,7 +477,8 @@ static inline int acpi_pm_device_sleep_s
 	if (p)
 		*p = ACPI_STATE_D0;
 
-	return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3) ? m : ACPI_STATE_D0;
+	return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ?
+		m : ACPI_STATE_D0;
 }
 static inline void acpi_dev_pm_add_dependent(acpi_handle handle,
 					     struct device *depdev) {}

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