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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-03-19 17:59:44 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-03-19 17:59:44 -0400
commitc7c350e92aab1bba68f26a6027b734adcf9824ba (patch)
treeaa99bd94c3049dd871d9c030d70a5f3d87591a95 /drivers/pci/pci-acpi.c
parent2f42b5d043ee271d1e5d30ecd77186b6c4d4e534 (diff)
parentf8512ad0da16cbe156f3a7627971cdf0b39c4138 (diff)
downloadlinux-c7c350e92aab1bba68f26a6027b734adcf9824ba.tar.bz2
Merge branch 'hotfixes' into devel
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;
}