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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c135
1 files changed, 53 insertions, 82 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 02bf4d4125e4..b7e67c2f40b9 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -486,6 +486,8 @@ static void pci_pm_default_suspend(struct pci_dev *pci_dev)
if (!pci_is_bridge(pci_dev))
pci_prepare_to_sleep(pci_dev);
+
+ pci_fixup_device(pci_fixup_suspend, pci_dev);
}
static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev)
@@ -536,16 +538,13 @@ static int pci_pm_suspend(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend(dev, PMSG_SUSPEND);
- if (drv && drv->pm) {
- if (drv->pm->suspend) {
- error = drv->pm->suspend(dev);
- suspend_report_result(drv->pm->suspend, error);
- }
- } else {
- pci_pm_default_suspend(pci_dev);
+ if (drv && drv->pm && drv->pm->suspend) {
+ error = drv->pm->suspend(dev);
+ suspend_report_result(drv->pm->suspend, error);
}
- pci_fixup_device(pci_fixup_suspend, pci_dev);
+ if (!error)
+ pci_pm_default_suspend(pci_dev);
return error;
}
@@ -559,15 +558,14 @@ static int pci_pm_suspend_noirq(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend_late(dev, PMSG_SUSPEND);
- if (drv && drv->pm) {
- if (drv->pm->suspend_noirq) {
- error = drv->pm->suspend_noirq(dev);
- suspend_report_result(drv->pm->suspend_noirq, error);
- }
- } else {
- pci_pm_set_unknown_state(pci_dev);
+ if (drv && drv->pm && drv->pm->suspend_noirq) {
+ error = drv->pm->suspend_noirq(dev);
+ suspend_report_result(drv->pm->suspend_noirq, error);
}
+ if (!error)
+ pci_pm_set_unknown_state(pci_dev);
+
return error;
}
@@ -580,14 +578,10 @@ static int pci_pm_resume(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume(dev);
- if (drv && drv->pm) {
- pci_fixup_device(pci_fixup_resume, pci_dev);
+ error = pci_pm_default_resume(pci_dev);
- if (drv->pm->resume)
- error = drv->pm->resume(dev);
- } else {
- error = pci_pm_default_resume(pci_dev);
- }
+ if (!error && drv && drv->pm && drv->pm->resume)
+ error = drv->pm->resume(dev);
return error;
}
@@ -601,14 +595,10 @@ static int pci_pm_resume_noirq(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume_early(dev);
- if (drv && drv->pm) {
- pci_fixup_device(pci_fixup_resume_early, pci_dev);
+ pci_pm_default_resume_noirq(pci_dev);
- if (drv->pm->resume_noirq)
- error = drv->pm->resume_noirq(dev);
- } else {
- pci_pm_default_resume_noirq(pci_dev);
- }
+ if (drv && drv->pm && drv->pm->resume_noirq)
+ error = drv->pm->resume_noirq(dev);
return error;
}
@@ -633,15 +623,14 @@ static int pci_pm_freeze(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend(dev, PMSG_FREEZE);
- if (drv && drv->pm) {
- if (drv->pm->freeze) {
- error = drv->pm->freeze(dev);
- suspend_report_result(drv->pm->freeze, error);
- }
- } else {
- pci_pm_default_suspend_generic(pci_dev);
+ if (drv && drv->pm && drv->pm->freeze) {
+ error = drv->pm->freeze(dev);
+ suspend_report_result(drv->pm->freeze, error);
}
+ if (!error)
+ pci_pm_default_suspend_generic(pci_dev);
+
return error;
}
@@ -654,15 +643,14 @@ static int pci_pm_freeze_noirq(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend_late(dev, PMSG_FREEZE);
- if (drv && drv->pm) {
- if (drv->pm->freeze_noirq) {
- error = drv->pm->freeze_noirq(dev);
- suspend_report_result(drv->pm->freeze_noirq, error);
- }
- } else {
- pci_pm_set_unknown_state(pci_dev);
+ if (drv && drv->pm && drv->pm->freeze_noirq) {
+ error = drv->pm->freeze_noirq(dev);
+ suspend_report_result(drv->pm->freeze_noirq, error);
}
+ if (!error)
+ pci_pm_set_unknown_state(pci_dev);
+
return error;
}
@@ -675,12 +663,10 @@ static int pci_pm_thaw(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume(dev);
- if (drv && drv->pm) {
- if (drv->pm->thaw)
- error = drv->pm->thaw(dev);
- } else {
- pci_pm_reenable_device(pci_dev);
- }
+ pci_pm_reenable_device(pci_dev);
+
+ if (drv && drv->pm && drv->pm->thaw)
+ error = drv->pm->thaw(dev);
return error;
}
@@ -694,12 +680,10 @@ static int pci_pm_thaw_noirq(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume_early(dev);
- if (drv && drv->pm) {
- if (drv->pm->thaw_noirq)
- error = drv->pm->thaw_noirq(dev);
- } else {
- pci_update_current_state(pci_dev, PCI_D0);
- }
+ pci_update_current_state(pci_dev, PCI_D0);
+
+ if (drv && drv->pm && drv->pm->thaw_noirq)
+ error = drv->pm->thaw_noirq(dev);
return error;
}
@@ -713,16 +697,13 @@ static int pci_pm_poweroff(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend(dev, PMSG_HIBERNATE);
- if (drv && drv->pm) {
- if (drv->pm->poweroff) {
- error = drv->pm->poweroff(dev);
- suspend_report_result(drv->pm->poweroff, error);
- }
- } else {
- pci_pm_default_suspend(pci_dev);
+ if (drv && drv->pm && drv->pm->poweroff) {
+ error = drv->pm->poweroff(dev);
+ suspend_report_result(drv->pm->poweroff, error);
}
- pci_fixup_device(pci_fixup_suspend, pci_dev);
+ if (!error)
+ pci_pm_default_suspend(pci_dev);
return error;
}
@@ -735,11 +716,9 @@ static int pci_pm_poweroff_noirq(struct device *dev)
if (pci_has_legacy_pm_support(to_pci_dev(dev)))
return pci_legacy_suspend_late(dev, PMSG_HIBERNATE);
- if (drv && drv->pm) {
- if (drv->pm->poweroff_noirq) {
- error = drv->pm->poweroff_noirq(dev);
- suspend_report_result(drv->pm->poweroff_noirq, error);
- }
+ if (drv && drv->pm && drv->pm->poweroff_noirq) {
+ error = drv->pm->poweroff_noirq(dev);
+ suspend_report_result(drv->pm->poweroff_noirq, error);
}
return error;
@@ -754,14 +733,10 @@ static int pci_pm_restore(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume(dev);
- if (drv && drv->pm) {
- pci_fixup_device(pci_fixup_resume, pci_dev);
+ error = pci_pm_default_resume(pci_dev);
- if (drv->pm->restore)
- error = drv->pm->restore(dev);
- } else {
- error = pci_pm_default_resume(pci_dev);
- }
+ if (!error && drv && drv->pm && drv->pm->restore)
+ error = drv->pm->restore(dev);
return error;
}
@@ -775,14 +750,10 @@ static int pci_pm_restore_noirq(struct device *dev)
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_resume_early(dev);
- if (drv && drv->pm) {
- pci_fixup_device(pci_fixup_resume_early, pci_dev);
+ pci_pm_default_resume_noirq(pci_dev);
- if (drv->pm->restore_noirq)
- error = drv->pm->restore_noirq(dev);
- } else {
- pci_pm_default_resume_noirq(pci_dev);
- }
+ if (drv && drv->pm && drv->pm->restore_noirq)
+ error = drv->pm->restore_noirq(dev);
return error;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-25 19:36:09 +0000