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Commit 00240c38 authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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PCI: add power-state name strings 



This patch (as1235) adds an array of PCI power-state names, together
with a simple inline accessor routine.

Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Acked-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Acked-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 604eb89f

drivers/pci/pci.c

+5 −0
Original line number Diff line number Diff line
@@ -24,6 +24,11 @@ 
#include <asm/setup.h>

#include "pci.h"



const char *pci_power_names[] = {

	"error", "D0", "D1", "D2", "D3hot", "D3cold", "unknown",

};

EXPORT_SYMBOL_GPL(pci_power_names);



unsigned int pci_pm_d3_delay = PCI_PM_D3_WAIT;



#ifdef CONFIG_PCI_DOMAINS

include/linux/pci.h

+8 −0
Original line number Diff line number Diff line
@@ -124,6 +124,14 @@ typedef int __bitwise pci_power_t; 
#define PCI_UNKNOWN	((pci_power_t __force) 5)

#define PCI_POWER_ERROR	((pci_power_t __force) -1)



/* Remember to update this when the list above changes! */

extern const char *pci_power_names[];



static inline const char *pci_power_name(pci_power_t state)

{

	return pci_power_names[1 + (int) state];

}



#define PCI_PM_D2_DELAY	200

#define PCI_PM_D3_WAIT	10

#define PCI_PM_BUS_WAIT	50