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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-04-20 16:11:35 +0200
committerBjorn Helgaas <bhelgaas@google.com>2022-05-05 14:10:24 -0500
commit18a94192e20de31e7e495d7c805c8930c42e99ef (patch)
tree83a3c120f022ad278d084495404e06f4d09dfea2 /drivers/pci/pci-driver.c
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
PCI/PM: Define pci_restore_standard_config() only for CONFIG_PM_SLEEP
pci_restore_standard_config() was defined under CONFIG_PM but called only by pci_pm_resume() (defined under CONFIG_SUSPEND) and pci_pm_restore() (defined under CONFIG_HIBERNATE_CALLBACKS). A configuration with only CONFIG_PM leads to a warning: drivers/pci/pci-driver.c:533:12: error: ‘pci_restore_standard_config’ defined but not used [-Werror=unused-function] CONFIG_PM_SLEEP depends on CONFIG_SUSPEND and CONFIG_HIBERNATE_CALLBACKS, so define pci_restore_standard_config() under that instead. Link: https://lore.kernel.org/r/20220420141135.444820-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 4ceeb75fc899..033ddb038170 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -522,9 +522,9 @@ static void pci_device_shutdown(struct device *dev)
pci_clear_master(pci_dev);
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
-/* Auxiliary functions used for system resume and run-time resume. */
+/* Auxiliary functions used for system resume */
/**
* pci_restore_standard_config - restore standard config registers of PCI device
@@ -544,6 +544,11 @@ static int pci_restore_standard_config(struct pci_dev *pci_dev)
pci_pme_restore(pci_dev);
return 0;
}
+#endif /* CONFIG_PM_SLEEP */
+
+#ifdef CONFIG_PM
+
+/* Auxiliary functions used for system resume and run-time resume */
static void pci_pm_default_resume(struct pci_dev *pci_dev)
{
@@ -551,10 +556,6 @@ static void pci_pm_default_resume(struct pci_dev *pci_dev)
pci_enable_wake(pci_dev, PCI_D0, false);
}
-#endif
-
-#ifdef CONFIG_PM_SLEEP
-
static void pci_pm_default_resume_early(struct pci_dev *pci_dev)
{
pci_power_up(pci_dev);
@@ -563,6 +564,10 @@ static void pci_pm_default_resume_early(struct pci_dev *pci_dev)
pci_pme_restore(pci_dev);
}
+#endif /* CONFIG_PM */
+
+#ifdef CONFIG_PM_SLEEP
+
/*
* Default "suspend" method for devices that have no driver provided suspend,
* or not even a driver at all (second part).