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agp/efficeon: Convert to generic power management

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Convert agpgart-efficeon from legacy PCI power management to the generic
power management framework.

Previously agpgart-efficeon used legacy PCI power management, which means
agp_efficeon_suspend() and agp_efficeon_resume() were responsible for both
device-specific things and generic PCI things like saving and restoring
config space and managing power state.

In this case, agp_efficeon_suspend() was empty, and agp_efficeon_resume()
already did only device-specific things, so simply convert it to take a
struct device * instead of a struct pci_dev *.

Based on 0aeddbd0cb ("via-agp: convert to generic power management") by
Vaibhav Gupta <vaibhavgupta40@gmail.com>.

Link: https://lore.kernel.org/r/20221025203852.681822-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bjorn Helgaas 2022-10-25 15:38:45 -05:00
parent 9abf2313ad
commit 94e9f9a23f
1 changed files with 4 additions and 12 deletions
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16
drivers/char/agp/efficeon-agp.c
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@ -412,18 +412,11 @@ static void agp_efficeon_remove(struct pci_dev *pdev)
agp_put_bridge(bridge);
}
#ifdef CONFIG_PM
static int agp_efficeon_suspend(struct pci_dev *dev, pm_message_t state)
{
return 0;
}
static int agp_efficeon_resume(struct pci_dev *pdev)
static int agp_efficeon_resume(struct device *dev)
{
printk(KERN_DEBUG PFX "agp_efficeon_resume()\n");
return efficeon_configure();
}
#endif
static const struct pci_device_id agp_efficeon_pci_table[] = {
{
@ -437,6 +430,8 @@ static const struct pci_device_id agp_efficeon_pci_table[] = {
{ }
};
static DEFINE_SIMPLE_DEV_PM_OPS(agp_efficeon_pm_ops, NULL, agp_efficeon_resume);
MODULE_DEVICE_TABLE(pci, agp_efficeon_pci_table);
static struct pci_driver agp_efficeon_pci_driver = {
@ -444,10 +439,7 @@ static struct pci_driver agp_efficeon_pci_driver = {
.id_table = agp_efficeon_pci_table,
.probe = agp_efficeon_probe,
.remove = agp_efficeon_remove,
#ifdef CONFIG_PM
.suspend = agp_efficeon_suspend,
.resume = agp_efficeon_resume,
#endif
.driver.pm = &agp_efficeon_pm_ops,
};
static int __init agp_efficeon_init(void)