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authorMaxime Ripard <mripard@kernel.org>2026-02-23 10:09:45 +0100
committerMaxime Ripard <mripard@kernel.org>2026-02-23 10:09:45 +0100
commitc17ee635fd3a482b2ad2bf5e269755c2eae5f25e (patch)
treee3f147462d8a9fd0cf2312c8cd3c5a94da15c3e4 /include/linux/pci-pwrctrl.h
parent803ec1faf7c1823e6e3b1f2aaa81be18528c9436 (diff)
parent6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f (diff)
Merge drm/drm-fixes into drm-misc-fixes
7.0-rc1 was just released, let's merge it to kick the new release cycle. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'include/linux/pci-pwrctrl.h')
-rw-r--r--include/linux/pci-pwrctrl.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/pci-pwrctrl.h b/include/linux/pci-pwrctrl.h
index 4aefc7901cd1..1192a2527521 100644
--- a/include/linux/pci-pwrctrl.h
+++ b/include/linux/pci-pwrctrl.h
@@ -31,6 +31,8 @@ struct device_link;
/**
* struct pci_pwrctrl - PCI device power control context.
* @dev: Address of the power controlling device.
+ * @power_on: Callback to power on the power controlling device.
+ * @power_off: Callback to power off the power controlling device.
*
* An object of this type must be allocated by the PCI power control device and
* passed to the pwrctrl subsystem to trigger a bus rescan and setup a device
@@ -38,6 +40,8 @@ struct device_link;
*/
struct pci_pwrctrl {
struct device *dev;
+ int (*power_on)(struct pci_pwrctrl *pwrctrl);
+ int (*power_off)(struct pci_pwrctrl *pwrctrl);
/* private: internal use only */
struct notifier_block nb;
@@ -50,5 +54,15 @@ int pci_pwrctrl_device_set_ready(struct pci_pwrctrl *pwrctrl);
void pci_pwrctrl_device_unset_ready(struct pci_pwrctrl *pwrctrl);
int devm_pci_pwrctrl_device_set_ready(struct device *dev,
struct pci_pwrctrl *pwrctrl);
-
+#if IS_ENABLED(CONFIG_PCI_PWRCTRL)
+int pci_pwrctrl_create_devices(struct device *parent);
+void pci_pwrctrl_destroy_devices(struct device *parent);
+int pci_pwrctrl_power_on_devices(struct device *parent);
+void pci_pwrctrl_power_off_devices(struct device *parent);
+#else
+static inline int pci_pwrctrl_create_devices(struct device *parent) { return 0; }
+static void pci_pwrctrl_destroy_devices(struct device *parent) { }
+static inline int pci_pwrctrl_power_on_devices(struct device *parent) { return 0; }
+static void pci_pwrctrl_power_off_devices(struct device *parent) { }
+#endif
#endif /* __PCI_PWRCTRL_H__ */