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authorAlan Stern <stern@rowland.harvard.edu>2009-04-27 19:33:16 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-16 06:44:44 +0200
commit00240c3839d843ccf07abd52806f421f7b87bbdc (patch)
tree4ad3a8c543a7a3de0893b1289086e62fffb98bc6 /include
parentUSB: g_file_storage: use the "unaligned" accessors (diff)
downloadlinux-00240c3839d843ccf07abd52806f421f7b87bbdc.tar.xz
linux-00240c3839d843ccf07abd52806f421f7b87bbdc.zip
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: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/pci.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 72698d89e767..8e366bb0705f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -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