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xen-platform: Convert to generic power management 

Convert xen-platform from the legacy PCI power management callbacks to the
generic operations.  This is one step towards removing support for the
legacy PCI callbacks.

The generic .resume_noirq() operation is called by pci_pm_resume_noirq() at
the same point the legacy PCI .resume_early() callback was, so this patch
should not change the xen-platform behavior.

Link: https://lore.kernel.org/r/20191101204558.210235-5-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: KarimAllah Ahmed <karahmed@amazon.de>
This commit is contained in:
Bjorn Helgaas 2019-11-01 08:20:40 -05:00
parent baef7f8e5e
commit 77b84bb306
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/xen/platform-pci.c
View File

@ -74,7 +74,7 @@ static int xen_allocate_irq(struct pci_dev *pdev)
"xen-platform-pci", pdev);
}
static int platform_pci_resume(struct pci_dev *pdev)
static int platform_pci_resume(struct device *dev)
{
int err;
@ -83,7 +83,7 @@ static int platform_pci_resume(struct pci_dev *pdev)
err = xen_set_callback_via(callback_via);
if (err) {
dev_err(&pdev->dev, "platform_pci_resume failure!\n");
dev_err(dev, "platform_pci_resume failure!\n");
return err;
}
return 0;
@ -168,13 +168,17 @@ static const struct pci_device_id platform_pci_tbl[] = {
{0,}
};
static struct dev_pm_ops platform_pm_ops = {
.resume_noirq = platform_pci_resume,
};
static struct pci_driver platform_driver = {
.name = DRV_NAME,
.probe = platform_pci_probe,
.id_table = platform_pci_tbl,
#ifdef CONFIG_PM
.resume_early = platform_pci_resume,
#endif
.driver = {
.pm = &platform_pm_ops,
},
};
builtin_pci_driver(platform_driver);