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Commit 9c62f0bf authored by Mika Westerberg's avatar Mika Westerberg Committed by Bjorn Helgaas
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PCI: pciehp: Implement runtime PM callbacks 



Basically we need to do the same thing when runtime suspending than with
system sleep so re-use those operations here. This makes sure hotplug
interrupt does not trigger immediately when the link goes down.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 94c7993f

drivers/pci/hotplug/pciehp_core.c

+18 −0
Original line number Diff line number Diff line
@@ -288,6 +288,22 @@ static int pciehp_resume(struct pcie_device *dev) 


	return 0;

}



static int pciehp_runtime_resume(struct pcie_device *dev)

{

	struct controller *ctrl = get_service_data(dev);



	/* pci_restore_state() just wrote to the Slot Control register */

	ctrl->cmd_started = jiffies;

	ctrl->cmd_busy = true;



	/* clear spurious events from rediscovery of inserted card */

	if ((ctrl->state == ON_STATE || ctrl->state == BLINKINGOFF_STATE) &&

	     pme_is_native(dev))

		pcie_clear_hotplug_events(ctrl);



	return pciehp_resume(dev);

}

#endif /* PM */



static struct pcie_port_service_driver hpdriver_portdrv = {
@@ -302,6 +318,8 @@ static struct pcie_port_service_driver hpdriver_portdrv = { 
	.suspend	= pciehp_suspend,

	.resume_noirq	= pciehp_resume_noirq,

	.resume		= pciehp_resume,

	.runtime_suspend = pciehp_suspend,

	.runtime_resume	= pciehp_runtime_resume,

#endif	/* PM */

};