63 #define PME_TIMEOUT 1000 /* How long between PME checks */
2283  * pcie_clear_root_pme_status - Clear root port PME interrupt status.
2292  * pci_check_pme_status - Check if given device has generated PME.
2295  * Check the PME status of the device and if set, clear it and clear PME enable
2296  * (if set).  Return 'true' if PME status and PME enable were both set or
2313 	/* Clear PME status. */  in pci_check_pme_status()
2316 		/* Disable PME to avoid interrupt flood. */  in pci_check_pme_status()
2327  * pci_pme_wakeup - Wake up a PCI device if its PME Status bit is set.
2331  * Check if @dev has generated PME and queue a resume request for it in that
2358  * pci_pme_capable - check the capability of PCI device to generate PME#
2360  * @state: PCI state from which device will issue PME#.
2431 	/* Clear PME_Status by writing 1 to it and enable PME# */  in __pci_pme_active()
2440  * pci_pme_restore - Restore PME configuration after config space restore.
2462  * pci_pme_active - enable or disable PCI device's PME# function
2464  * @enable: 'true' to enable PME# generation; 'false' to disable it.
2466  * The caller must verify that the device is capable of generating PME# before
2474 	 * PCI (as opposed to PCIe) PME requires that the device have  in pci_pme_active()
2475 	 * its PME# line hooked up correctly. Not all hardware vendors  in pci_pme_active()
2476 	 * do this, so the PME never gets delivered and the device  in pci_pme_active()
2479 	 * whether any have their PME flag set. The assumption is that  in pci_pme_active()
2484 	 * Although PCIe uses in-band PME message instead of PME# line  in pci_pme_active()
2485 	 * to report PME, PME does not work for some PCIe devices in  in pci_pme_active()
2486 	 * reality.  For example, there are devices that set their PME  in pci_pme_active()
2487 	 * status bits, but don't really bother to send a PME message;  in pci_pme_active()
2489 	 * trigger interrupts when they receive PME messages from the  in pci_pme_active()
2490 	 * devices below.  So PME poll is used for PCIe devices too.  in pci_pme_active()
2499 				pci_warn(dev, "can't enable PME#\n");  in pci_pme_active()
2523 	pci_dbg(dev, "PME# %s\n", enable ? "enabled" : "disabled");  in pci_pme_active()
2566 	 * Anderson we should be doing PME# wake enable followed by ACPI wake  in __pci_enable_wake()
2574 		 * Enable PME signaling if the device can signal PME from  in __pci_enable_wake()
2575 		 * D3cold regardless of whether or not it can signal PME from  in __pci_enable_wake()
2577 		 * signal PME when the hierarchy above it goes into D3cold and  in __pci_enable_wake()
2627  * up the system from sleep or it is not capable of generating PME# from both
2645  * can generate wake events, based on any available PME info.
2684 		 * PME#.  in pci_target_state()
2777  * (through the platform or using the native PCIe PME) or if the device supports
2778  * PME and one of its upstream bridges can generate wake-up events.
2787 	/* PME-capable in principle, but not from the target power state */  in pci_dev_run_wake()
2841  * pci_dev_adjust_pme - Adjust PME setting for a suspended device.
2845  * disable PME for it to prevent it from waking up the system unnecessarily.
2868  * If the device is runtime suspended and wakeup-capable, enable PME for it as
3177 	/* Check device's ability to generate PME# */  in pci_pm_init()
3208 		pci_info(dev, "PME# supported from%s%s%s%s%s\n",  in pci_pm_init()
3221 		/* Disable the PME# generation functionality */  in pci_pm_init()