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authorRafael J. Wysocki <rjw@sisk.pl>2008-07-07 03:36:24 +0200
committerJesse Barnes <jbarnes@virtuousgeek.org>2008-07-07 16:26:50 -0700
commit337001b6c42938f49a880b1b8306c3ed771a7e61 (patch)
tree0e704359c989beba626388cf2404f038e55f442e /include/linux/pci.h
parent404cc2d8ce41ed4031958fba8e633767e8a2e028 (diff)
PCI: Simplify PCI device PM code
If the offset of PCI device's PM capability in its configuration space, the mask of states that the device supports PME# from and the D1 and D2 support bits are cached in the corresponding struct pci_dev, the PCI device PM code can be simplified quite a bit. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 52ac06dcce98..68a29f0f2748 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -177,6 +177,13 @@ struct pci_dev {
pci_power_t current_state; /* Current operating state. In ACPI-speak,
this is D0-D3, D0 being fully functional,
and D3 being off. */
+ int pm_cap; /* PM capability offset in the
+ configuration space */
+ unsigned int pme_support:5; /* Bitmask of states from which PME#
+ can be generated */
+ unsigned int d1_support:1; /* Low power state D1 is supported */
+ unsigned int d2_support:1; /* Low power state D2 is supported */
+ unsigned int no_d1d2:1; /* Only allow D0 and D3 */
#ifdef CONFIG_PCIEASPM
struct pcie_link_state *link_state; /* ASPM link state. */
@@ -201,7 +208,6 @@ struct pci_dev {
unsigned int is_added:1;
unsigned int is_busmaster:1; /* device is busmaster */
unsigned int no_msi:1; /* device may not use msi */
- unsigned int no_d1d2:1; /* only allow d0 or d3 */
unsigned int block_ucfg_access:1; /* userspace config space access is blocked */
unsigned int broken_parity_status:1; /* Device generates false positive parity */
unsigned int msi_enabled:1;