On 16 October 2017 at 03:29, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> The only user of non-empty pcibios_pm_ops is s390 and it only uses
> "noirq" callbacks, so drop the invocations of the other pcibios_pm_ops
> callbacks from the PCI PM code.
>
> That will allow subsequent changes to be somewhat simpler.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> ---
> drivers/pci/pci-driver.c | 18 ------------------
> 1 file changed, 18 deletions(-)
>
> Index: linux-pm/drivers/pci/pci-driver.c
> ===================================================================
> --- linux-pm.orig/drivers/pci/pci-driver.c
> +++ linux-pm/drivers/pci/pci-driver.c
> @@ -918,9 +918,6 @@ static int pci_pm_freeze(struct device *
> return error;
> }
>
> - if (pcibios_pm_ops.freeze)
> - return pcibios_pm_ops.freeze(dev);
> -
> return 0;
> }
>
> @@ -982,12 +979,6 @@ static int pci_pm_thaw(struct device *de
> const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
> int error = 0;
>
> - if (pcibios_pm_ops.thaw) {
> - error = pcibios_pm_ops.thaw(dev);
> - if (error)
> - return error;
> - }
> -
> if (pci_has_legacy_pm_support(pci_dev))
> return pci_legacy_resume(dev);
>
> @@ -1032,9 +1023,6 @@ static int pci_pm_poweroff(struct device
> Fixup:
> pci_fixup_device(pci_fixup_suspend, pci_dev);
>
> - if (pcibios_pm_ops.poweroff)
> - return pcibios_pm_ops.poweroff(dev);
> -
> return 0;
> }
>
> @@ -1107,12 +1095,6 @@ static int pci_pm_restore(struct device
> const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
> int error = 0;
>
> - if (pcibios_pm_ops.restore) {
> - error = pcibios_pm_ops.restore(dev);
> - if (error)
> - return error;
> - }
> -
> /*
> * This is necessary for the hibernation error path in which restore is
> * called without restoring the standard config registers of the device.
>
>
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