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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2008-07-07 03:36:24 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-07-07 16:26:50 -0700 |
| commit | 337001b6c42938f49a880b1b8306c3ed771a7e61 (patch) | |
| tree | 0e704359c989beba626388cf2404f038e55f442e /include/linux/pci_regs.h | |
| parent | 404cc2d8ce41ed4031958fba8e633767e8a2e028 (diff) | |
| download | linux-337001b6c42938f49a880b1b8306c3ed771a7e61.tar.gz linux-337001b6c42938f49a880b1b8306c3ed771a7e61.tar.bz2 linux-337001b6c42938f49a880b1b8306c3ed771a7e61.zip | |
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_regs.h')
| -rw-r--r-- | include/linux/pci_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index c0c1223c9194..19958b929905 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -231,6 +231,7 @@ #define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */ #define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */ #define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */ +#define PCI_PM_CAP_PME_SHIFT 11 /* Start of the PME Mask in PMC */ #define PCI_PM_CTRL 4 /* PM control and status register */ #define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */ #define PCI_PM_CTRL_NO_SOFT_RESET 0x0004 /* No reset for D3hot->D0 */ |