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authorRafael J. Wysocki <rjw@sisk.pl>2009-01-07 07:12:22 -0500
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 14:19:43 -0500
commitf6dc1e5e3d4b523e1616b43beddb04e4fb1d376a (patch)
tree9c6c27a06b7984e1c315d9d0ffa881f5b5f59701
parentd67e37d7933ba3b28a63ff38c957e433aaca5dc4 (diff)
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>
-rw-r--r--drivers/pci/pci-driver.c86
1 files changed, 43 insertions, 43 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index b7e67c2f40b9..c697f2680856 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -384,6 +384,19 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state)
384 return i; 384 return i;
385} 385}
386 386
387static int pci_legacy_resume_early(struct device *dev)
388{
389 int error = 0;
390 struct pci_dev * pci_dev = to_pci_dev(dev);
391 struct pci_driver * drv = pci_dev->driver;
392
393 pci_fixup_device(pci_fixup_resume_early, pci_dev);
394
395 if (drv && drv->resume_early)
396 error = drv->resume_early(pci_dev);
397 return error;
398}
399
387static int pci_legacy_resume(struct device *dev) 400static int pci_legacy_resume(struct device *dev)
388{ 401{
389 int error; 402 int error;
@@ -402,19 +415,6 @@ static int pci_legacy_resume(struct device *dev)
402 return error; 415 return error;
403} 416}
404 417
405static int pci_legacy_resume_early(struct device *dev)
406{
407 int error = 0;
408 struct pci_dev * pci_dev = to_pci_dev(dev);
409 struct pci_driver * drv = pci_dev->driver;
410
411 pci_fixup_device(pci_fixup_resume_early, pci_dev);
412
413 if (drv && drv->resume_early)
414 error = drv->resume_early(pci_dev);
415 return error;
416}
417
418/* Auxiliary functions used by the new power management framework */ 418/* Auxiliary functions used by the new power management framework */
419 419
420static int pci_restore_standard_config(struct pci_dev *pci_dev) 420static int pci_restore_standard_config(struct pci_dev *pci_dev)
@@ -569,36 +569,36 @@ static int pci_pm_suspend_noirq(struct device *dev)
569 return error; 569 return error;
570} 570}
571 571
572static int pci_pm_resume(struct device *dev) 572static int pci_pm_resume_noirq(struct device *dev)
573{ 573{
574 struct pci_dev *pci_dev = to_pci_dev(dev); 574 struct pci_dev *pci_dev = to_pci_dev(dev);
575 struct device_driver *drv = dev->driver; 575 struct device_driver *drv = dev->driver;
576 int error = 0; 576 int error = 0;
577 577
578 if (pci_has_legacy_pm_support(pci_dev)) 578 if (pci_has_legacy_pm_support(pci_dev))
579 return pci_legacy_resume(dev); 579 return pci_legacy_resume_early(dev);
580 580
581 error = pci_pm_default_resume(pci_dev); 581 pci_pm_default_resume_noirq(pci_dev);
582 582
583 if (!error && drv && drv->pm && drv->pm->resume) 583 if (drv && drv->pm && drv->pm->resume_noirq)
584 error = drv->pm->resume(dev); 584 error = drv->pm->resume_noirq(dev);
585 585
586 return error; 586 return error;
587} 587}
588 588
589static int pci_pm_resume_noirq(struct device *dev) 589static int pci_pm_resume(struct device *dev)
590{ 590{
591 struct pci_dev *pci_dev = to_pci_dev(dev); 591 struct pci_dev *pci_dev = to_pci_dev(dev);
592 struct device_driver *drv = dev->driver; 592 struct device_driver *drv = dev->driver;
593 int error = 0; 593 int error = 0;
594 594
595 if (pci_has_legacy_pm_support(pci_dev)) 595 if (pci_has_legacy_pm_support(pci_dev))
596 return pci_legacy_resume_early(dev); 596 return pci_legacy_resume(dev);
597 597
598 pci_pm_default_resume_noirq(pci_dev); 598 error = pci_pm_default_resume(pci_dev);
599 599
600 if (drv && drv->pm && drv->pm->resume_noirq) 600 if (!error && drv && drv->pm && drv->pm->resume)
601 error = drv->pm->resume_noirq(dev); 601 error = drv->pm->resume(dev);
602 602
603 return error; 603 return error;
604} 604}
@@ -654,36 +654,36 @@ static int pci_pm_freeze_noirq(struct device *dev)
654 return error; 654 return error;
655} 655}
656 656
657static int pci_pm_thaw(struct device *dev) 657static int pci_pm_thaw_noirq(struct device *dev)
658{ 658{
659 struct pci_dev *pci_dev = to_pci_dev(dev); 659 struct pci_dev *pci_dev = to_pci_dev(dev);
660 struct device_driver *drv = dev->driver; 660 struct device_driver *drv = dev->driver;
661 int error = 0; 661 int error = 0;
662 662
663 if (pci_has_legacy_pm_support(pci_dev)) 663 if (pci_has_legacy_pm_support(pci_dev))
664 return pci_legacy_resume(dev); 664 return pci_legacy_resume_early(dev);
665 665
666 pci_pm_reenable_device(pci_dev); 666 pci_update_current_state(pci_dev, PCI_D0);
667 667
668 if (drv && drv->pm && drv->pm->thaw) 668 if (drv && drv->pm && drv->pm->thaw_noirq)
669 error = drv->pm->thaw(dev); 669 error = drv->pm->thaw_noirq(dev);
670 670
671 return error; 671 return error;
672} 672}
673 673
674static int pci_pm_thaw_noirq(struct device *dev) 674static int pci_pm_thaw(struct device *dev)
675{ 675{
676 struct pci_dev *pci_dev = to_pci_dev(dev); 676 struct pci_dev *pci_dev = to_pci_dev(dev);
677 struct device_driver *drv = dev->driver; 677 struct device_driver *drv = dev->driver;
678 int error = 0; 678 int error = 0;
679 679
680 if (pci_has_legacy_pm_support(pci_dev)) 680 if (pci_has_legacy_pm_support(pci_dev))
681 return pci_legacy_resume_early(dev); 681 return pci_legacy_resume(dev);
682 682
683 pci_update_current_state(pci_dev, PCI_D0); 683 pci_pm_reenable_device(pci_dev);
684 684
685 if (drv && drv->pm && drv->pm->thaw_noirq) 685 if (drv && drv->pm && drv->pm->thaw)
686 error = drv->pm->thaw_noirq(dev); 686 error = drv->pm->thaw(dev);
687 687
688 return error; 688 return error;
689} 689}
@@ -724,36 +724,36 @@ static int pci_pm_poweroff_noirq(struct device *dev)
724 return error; 724 return error;
725} 725}
726 726
727static int pci_pm_restore(struct device *dev) 727static int pci_pm_restore_noirq(struct device *dev)
728{ 728{
729 struct pci_dev *pci_dev = to_pci_dev(dev); 729 struct pci_dev *pci_dev = to_pci_dev(dev);
730 struct device_driver *drv = dev->driver; 730 struct device_driver *drv = dev->driver;
731 int error = 0; 731 int error = 0;
732 732
733 if (pci_has_legacy_pm_support(pci_dev)) 733 if (pci_has_legacy_pm_support(pci_dev))
734 return pci_legacy_resume(dev); 734 return pci_legacy_resume_early(dev);
735 735
736 error = pci_pm_default_resume(pci_dev); 736 pci_pm_default_resume_noirq(pci_dev);
737 737
738 if (!error && drv && drv->pm && drv->pm->restore) 738 if (drv && drv->pm && drv->pm->restore_noirq)
739 error = drv->pm->restore(dev); 739 error = drv->pm->restore_noirq(dev);
740 740
741 return error; 741 return error;
742} 742}
743 743
744static int pci_pm_restore_noirq(struct device *dev) 744static int pci_pm_restore(struct device *dev)
745{ 745{
746 struct pci_dev *pci_dev = to_pci_dev(dev); 746 struct pci_dev *pci_dev = to_pci_dev(dev);
747 struct device_driver *drv = dev->driver; 747 struct device_driver *drv = dev->driver;
748 int error = 0; 748 int error = 0;
749 749
750 if (pci_has_legacy_pm_support(pci_dev)) 750 if (pci_has_legacy_pm_support(pci_dev))
751 return pci_legacy_resume_early(dev); 751 return pci_legacy_resume(dev);
752 752
753 pci_pm_default_resume_noirq(pci_dev); 753 error = pci_pm_default_resume(pci_dev);
754 754
755 if (drv && drv->pm && drv->pm->restore_noirq) 755 if (!error && drv && drv->pm && drv->pm->restore)
756 error = drv->pm->restore_noirq(dev); 756 error = drv->pm->restore(dev);
757 757
758 return error; 758 return error;
759} 759}