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PCI PM: Put PM callbacks in the order of execution

Put PM callbacks in drivers/pci/pci-driver.c in the order in which
they are executed which makes it much easier to follow the code.

No functional changes should result from this.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Rafael J. Wysocki 16 年之前
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共有 1 个文件被更改,包括 43 次插入43 次删除
  1. 43 43
      drivers/pci/pci-driver.c

+ 43 - 43
drivers/pci/pci-driver.c

@@ -384,6 +384,19 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state)
 	return i;
 }
 
+static int pci_legacy_resume_early(struct device *dev)
+{
+	int error = 0;
+	struct pci_dev * pci_dev = to_pci_dev(dev);
+	struct pci_driver * drv = pci_dev->driver;
+
+	pci_fixup_device(pci_fixup_resume_early, pci_dev);
+
+	if (drv && drv->resume_early)
+		error = drv->resume_early(pci_dev);
+	return error;
+}
+
 static int pci_legacy_resume(struct device *dev)
 {
 	int error;
@@ -402,19 +415,6 @@ static int pci_legacy_resume(struct device *dev)
 	return error;
 }
 
-static int pci_legacy_resume_early(struct device *dev)
-{
-	int error = 0;
-	struct pci_dev * pci_dev = to_pci_dev(dev);
-	struct pci_driver * drv = pci_dev->driver;
-
-	pci_fixup_device(pci_fixup_resume_early, pci_dev);
-
-	if (drv && drv->resume_early)
-		error = drv->resume_early(pci_dev);
-	return error;
-}
-
 /* Auxiliary functions used by the new power management framework */
 
 static int pci_restore_standard_config(struct pci_dev *pci_dev)
@@ -569,36 +569,36 @@ static int pci_pm_suspend_noirq(struct device *dev)
 	return error;
 }
 
-static int pci_pm_resume(struct device *dev)
+static int pci_pm_resume_noirq(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume(dev);
+		return pci_legacy_resume_early(dev);
 
-	error = pci_pm_default_resume(pci_dev);
+	pci_pm_default_resume_noirq(pci_dev);
 
-	if (!error && drv && drv->pm && drv->pm->resume)
-		error = drv->pm->resume(dev);
+	if (drv && drv->pm && drv->pm->resume_noirq)
+		error = drv->pm->resume_noirq(dev);
 
 	return error;
 }
 
-static int pci_pm_resume_noirq(struct device *dev)
+static int pci_pm_resume(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume_early(dev);
+		return pci_legacy_resume(dev);
 
-	pci_pm_default_resume_noirq(pci_dev);
+	error = pci_pm_default_resume(pci_dev);
 
-	if (drv && drv->pm && drv->pm->resume_noirq)
-		error = drv->pm->resume_noirq(dev);
+	if (!error && drv && drv->pm && drv->pm->resume)
+		error = drv->pm->resume(dev);
 
 	return error;
 }
@@ -654,36 +654,36 @@ static int pci_pm_freeze_noirq(struct device *dev)
 	return error;
 }
 
-static int pci_pm_thaw(struct device *dev)
+static int pci_pm_thaw_noirq(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume(dev);
+		return pci_legacy_resume_early(dev);
 
-	pci_pm_reenable_device(pci_dev);
+	pci_update_current_state(pci_dev, PCI_D0);
 
-	if (drv && drv->pm && drv->pm->thaw)
-		error =  drv->pm->thaw(dev);
+	if (drv && drv->pm && drv->pm->thaw_noirq)
+		error = drv->pm->thaw_noirq(dev);
 
 	return error;
 }
 
-static int pci_pm_thaw_noirq(struct device *dev)
+static int pci_pm_thaw(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume_early(dev);
+		return pci_legacy_resume(dev);
 
-	pci_update_current_state(pci_dev, PCI_D0);
+	pci_pm_reenable_device(pci_dev);
 
-	if (drv && drv->pm && drv->pm->thaw_noirq)
-		error = drv->pm->thaw_noirq(dev);
+	if (drv && drv->pm && drv->pm->thaw)
+		error =  drv->pm->thaw(dev);
 
 	return error;
 }
@@ -724,36 +724,36 @@ static int pci_pm_poweroff_noirq(struct device *dev)
 	return error;
 }
 
-static int pci_pm_restore(struct device *dev)
+static int pci_pm_restore_noirq(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume(dev);
+		return pci_legacy_resume_early(dev);
 
-	error = pci_pm_default_resume(pci_dev);
+	pci_pm_default_resume_noirq(pci_dev);
 
-	if (!error && drv && drv->pm && drv->pm->restore)
-		error = drv->pm->restore(dev);
+	if (drv && drv->pm && drv->pm->restore_noirq)
+		error = drv->pm->restore_noirq(dev);
 
 	return error;
 }
 
-static int pci_pm_restore_noirq(struct device *dev)
+static int pci_pm_restore(struct device *dev)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct device_driver *drv = dev->driver;
 	int error = 0;
 
 	if (pci_has_legacy_pm_support(pci_dev))
-		return pci_legacy_resume_early(dev);
+		return pci_legacy_resume(dev);
 
-	pci_pm_default_resume_noirq(pci_dev);
+	error = pci_pm_default_resume(pci_dev);
 
-	if (drv && drv->pm && drv->pm->restore_noirq)
-		error = drv->pm->restore_noirq(dev);
+	if (!error && drv && drv->pm && drv->pm->restore)
+		error = drv->pm->restore(dev);
 
 	return error;
 }