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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_regs.h
parent404cc2d8ce41ed4031958fba8e633767e8a2e028 (diff)
downloadop-kernel-dev-337001b6c42938f49a880b1b8306c3ed771a7e61.zip
op-kernel-dev-337001b6c42938f49a880b1b8306c3ed771a7e61.tar.gz
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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c0c1223..19958b9 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 */
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