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authorJeff Garzik <jgarzik@pobox.com>2005-10-30 01:58:41 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-10-30 01:58:41 -0500
commitfce45c1c8a6b5334fa88bbb9b1496b0699d3fef0 (patch)
treecba2597077cf33d122f8d771bf84618cc5374cf6 /drivers/pci/pci.c
parent15dbb5a3f971a28040ae6cbcd8bbdf19b629fa83 (diff)
parent81cfb8864c73230eb1c37753aba517db15cf4d8f (diff)
Merge branch 'upstream'
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 259d247b7551..61b855c99e39 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -252,6 +252,8 @@ pci_restore_bars(struct pci_dev *dev)
pci_update_resource(dev, &dev->resource[i], i);
}
+int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t t);
+
/**
* pci_set_power_state - Set the power state of a PCI device
* @dev: PCI device to be suspended
@@ -266,7 +268,6 @@ pci_restore_bars(struct pci_dev *dev)
* -EIO if device does not support PCI PM.
* 0 if we can successfully change the power state.
*/
-int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t t);
int
pci_set_power_state(struct pci_dev *dev, pci_power_t state)
{
@@ -314,19 +315,19 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state)
* sets PowerState to 0.
*/
switch (dev->current_state) {
+ case PCI_D0:
+ case PCI_D1:
+ case PCI_D2:
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pmcsr |= state;
+ break;
case PCI_UNKNOWN: /* Boot-up */
if ((pmcsr & PCI_PM_CTRL_STATE_MASK) == PCI_D3hot
&& !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET))
need_restore = 1;
/* Fall-through: force to D0 */
- case PCI_D3hot:
- case PCI_D3cold:
- case PCI_POWER_ERROR:
- pmcsr = 0;
- break;
default:
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= state;
+ pmcsr = 0;
break;
}
@@ -808,8 +809,8 @@ pci_clear_mwi(struct pci_dev *dev)
/**
* pci_intx - enables/disables PCI INTx for device dev
- * @dev: the PCI device to operate on
- * @enable: boolean
+ * @pdev: the PCI device to operate on
+ * @enable: boolean: whether to enable or disable PCI INTx
*
* Enables/disables PCI INTx for device dev
*/