summaryrefslogtreecommitdiff
path: root/drivers/pci/pci-acpi.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-04-01 00:22:26 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-04-01 00:22:26 -0400
commit399f486286f44d55c4fff0e9cc5d712f2b443489 (patch)
tree0c2820b3e04232eaa96f08c1057b87728fb3e7a4 /drivers/pci/pci-acpi.c
parent481419ec9fbdf3f4ec5389c7e91a81b4a7ebee8d (diff)
parenta9edadbf790d72adf6ebed476cb5caf7743e7e4a (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'drivers/pci/pci-acpi.c')
-rw-r--r--drivers/pci/pci-acpi.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 4a23654184fc..72f7476930c8 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -272,21 +272,29 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
{
acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
acpi_handle tmp;
- static int state_conv[] = {
- [0] = 0,
- [1] = 1,
- [2] = 2,
- [3] = 3,
- [4] = 3
+ static const u8 state_conv[] = {
+ [PCI_D0] = ACPI_STATE_D0,
+ [PCI_D1] = ACPI_STATE_D1,
+ [PCI_D2] = ACPI_STATE_D2,
+ [PCI_D3hot] = ACPI_STATE_D3,
+ [PCI_D3cold] = ACPI_STATE_D3
};
- int acpi_state = state_conv[(int __force) state];
if (!handle)
return -ENODEV;
/* If the ACPI device has _EJ0, ignore the device */
if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp)))
return 0;
- return acpi_bus_set_power(handle, acpi_state);
+
+ switch (state) {
+ case PCI_D0:
+ case PCI_D1:
+ case PCI_D2:
+ case PCI_D3hot:
+ case PCI_D3cold:
+ return acpi_bus_set_power(handle, state_conv[state]);
+ }
+ return -EINVAL;
}