diff mbox series

[v2,6/7] PCI: PM: Do not call platform_pci_power_manageable() unnecessarily

Message ID 2014133.KlZ2vcFHjT@kreacher (mailing list archive)
State Not Applicable
Delegated to: Bjorn Helgaas
Headers show
Series PCI: ACPI: Get rid of struct pci_platform_pm_ops and clean up code | expand

Commit Message

Rafael J. Wysocki Sept. 20, 2021, 7:17 p.m. UTC 
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Drop two invocations of platform_pci_power_manageable() that are not
necessary, because the functions called when it returns 'true' do the
requisite "power manageable" checks themselves.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

v1 -> v2:
   * Rebase on top of the new [1-5/7].
   * Move the acpi_pci_power_manageable() simplification to a separate
     patch.
   * Change the subject.

---
diff mbox series

Patch

Index: linux-pm/drivers/pci/pci.c
===================================================================
--- linux-pm.orig/drivers/pci/pci.c
+++ linux-pm/drivers/pci/pci.c
@@ -1191,9 +1191,7 @@  void pci_update_current_state(struct pci
  */
 void pci_refresh_power_state(struct pci_dev *dev)
 {
-	if (platform_pci_power_manageable(dev))
-		platform_pci_refresh_power_state(dev);
-
+	platform_pci_refresh_power_state(dev);
 	pci_update_current_state(dev, dev->current_state);
 }
 
@@ -1206,14 +1204,10 @@  int pci_platform_power_transition(struct
 {
 	int error;
 
-	if (platform_pci_power_manageable(dev)) {
-		error = platform_pci_set_power_state(dev, state);
-		if (!error)
-			pci_update_current_state(dev, state);
-	} else
-		error = -ENODEV;
-
-	if (error && !dev->pm_cap) /* Fall back to PCI_D0 */
+	error = acpi_pci_set_power_state(dev, state);
+	if (!error)
+		pci_update_current_state(dev, state);
+	else if (!dev->pm_cap) /* Fall back to PCI_D0 */
 		dev->current_state = PCI_D0;
 
 	return error;