PCI/pwrctrl: Rename pwrctrl functions and structures

Rename pwrctrl functions and structures from "pwrctl" to "pwrctrl" to match
the similar file renames.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Acked-by: Krzysztof Wilczyński <[email protected]>

Author: bjorn-helgaas

drivers/pci/bus.c

@@ -322,10 +322,10 @@ void __weak pcibios_resource_survey_bus(struct pci_bus *bus) { }
 void __weak pcibios_bus_add_device(struct pci_dev *pdev) { }
 
 /*
- * Create pwrctl devices (if required) for the PCI devices to handle the power
+ * Create pwrctrl devices (if required) for the PCI devices to handle the power
  * state.
  */
-static void pci_pwrctl_create_devices(struct pci_dev *dev)
+static void pci_pwrctrl_create_devices(struct pci_dev *dev)
 {
 	struct device_node *np = dev_of_node(&dev->dev);
 	struct device *parent = &dev->dev;
@@ -337,23 +337,24 @@ static void pci_pwrctl_create_devices(struct pci_dev *dev)
 	 */
 	if (np && pci_is_bridge(dev)) {
 		/*
-		 * Now look for the child PCI device nodes and create pwrctl
-		 * devices for them. The pwrctl device drivers will manage the
+		 * Now look for the child PCI device nodes and create pwrctrl
+		 * devices for them. The pwrctrl device drivers will manage the
 		 * power state of the devices.
 		 */
 		for_each_available_child_of_node_scoped(np, child) {
 			/*
-			 * First check whether the pwrctl device really needs to
-			 * be created or not. This is decided based on at least
-			 * one of the power supplies being defined in the
-			 * devicetree node of the device.
+			 * First check whether the pwrctrl device really
+			 * needs to be created or not. This is decided
+			 * based on at least one of the power supplies
+			 * being defined in the devicetree node of the
+			 * device.
 			 */
 			if (!of_pci_supply_present(child)) {
 				pci_dbg(dev, "skipping OF node: %s\n", child->name);
 				return;
 			}
 
-			/* Now create the pwrctl device */
+			/* Now create the pwrctrl device */
 			pdev = of_platform_device_create(child, NULL, parent);
 			if (!pdev)
 				pci_err(dev, "failed to create OF node: %s\n", child->name);
@@ -385,12 +386,12 @@ void pci_bus_add_device(struct pci_dev *dev)
 	pci_proc_attach_device(dev);
 	pci_bridge_d3_update(dev);
 
-	pci_pwrctl_create_devices(dev);
+	pci_pwrctrl_create_devices(dev);
 
 	/*
-	 * If the PCI device is associated with a pwrctl device with a
+	 * If the PCI device is associated with a pwrctrl device with a
 	 * power supply, create a device link between the PCI device and
-	 * pwrctl device.  This ensures that pwrctl drivers are probed
+	 * pwrctrl device.  This ensures that pwrctrl drivers are probed
 	 * before PCI client drivers.
 	 */
 	pdev = of_find_device_by_node(dn);

drivers/pci/pwrctrl/core.c

@@ -11,13 +11,13 @@
 #include <linux/property.h>
 #include <linux/slab.h>
 
-static int pci_pwrctl_notify(struct notifier_block *nb, unsigned long action,
-			     void *data)
+static int pci_pwrctrl_notify(struct notifier_block *nb, unsigned long action,
+			      void *data)
 {
-	struct pci_pwrctl *pwrctl = container_of(nb, struct pci_pwrctl, nb);
+	struct pci_pwrctrl *pwrctrl = container_of(nb, struct pci_pwrctrl, nb);
 	struct device *dev = data;
 
-	if (dev_fwnode(dev) != dev_fwnode(pwrctl->dev))
+	if (dev_fwnode(dev) != dev_fwnode(pwrctrl->dev))
 		return NOTIFY_DONE;
 
 	switch (action) {
@@ -40,31 +40,32 @@ static int pci_pwrctl_notify(struct notifier_block *nb, unsigned long action,
 
 static void rescan_work_func(struct work_struct *work)
 {
-	struct pci_pwrctl *pwrctl = container_of(work, struct pci_pwrctl, work);
+	struct pci_pwrctrl *pwrctrl = container_of(work,
+						   struct pci_pwrctrl, work);
 
 	pci_lock_rescan_remove();
-	pci_rescan_bus(to_pci_dev(pwrctl->dev->parent)->bus);
+	pci_rescan_bus(to_pci_dev(pwrctrl->dev->parent)->bus);
 	pci_unlock_rescan_remove();
 }
 
 /**
- * pci_pwrctl_init() - Initialize the PCI power control context struct
+ * pci_pwrctrl_init() - Initialize the PCI power control context struct
  *
- * @pwrctl: PCI power control data
+ * @pwrctrl: PCI power control data
  * @dev: Parent device
  */
-void pci_pwrctl_init(struct pci_pwrctl *pwrctl, struct device *dev)
+void pci_pwrctrl_init(struct pci_pwrctrl *pwrctrl, struct device *dev)
 {
-	pwrctl->dev = dev;
-	INIT_WORK(&pwrctl->work, rescan_work_func);
+	pwrctrl->dev = dev;
+	INIT_WORK(&pwrctrl->work, rescan_work_func);
 }
-EXPORT_SYMBOL_GPL(pci_pwrctl_init);
+EXPORT_SYMBOL_GPL(pci_pwrctrl_init);
 
 /**
- * pci_pwrctl_device_set_ready() - Notify the pwrctl subsystem that the PCI
+ * pci_pwrctrl_device_set_ready() - Notify the pwrctrl subsystem that the PCI
  * device is powered-up and ready to be detected.
  *
- * @pwrctl: PCI power control data.
+ * @pwrctrl: PCI power control data.
  *
  * Returns:
  * 0 on success, negative error number on error.
@@ -74,73 +75,73 @@ EXPORT_SYMBOL_GPL(pci_pwrctl_init);
  * that the bus rescan was successfully started. The device will get bound to
  * its PCI driver asynchronously.
  */
-int pci_pwrctl_device_set_ready(struct pci_pwrctl *pwrctl)
+int pci_pwrctrl_device_set_ready(struct pci_pwrctrl *pwrctrl)
 {
 	int ret;
 
-	if (!pwrctl->dev)
+	if (!pwrctrl->dev)
 		return -ENODEV;
 
-	pwrctl->nb.notifier_call = pci_pwrctl_notify;
-	ret = bus_register_notifier(&pci_bus_type, &pwrctl->nb);
+	pwrctrl->nb.notifier_call = pci_pwrctrl_notify;
+	ret = bus_register_notifier(&pci_bus_type, &pwrctrl->nb);
 	if (ret)
 		return ret;
 
-	schedule_work(&pwrctl->work);
+	schedule_work(&pwrctrl->work);
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(pci_pwrctl_device_set_ready);
+EXPORT_SYMBOL_GPL(pci_pwrctrl_device_set_ready);
 
 /**
- * pci_pwrctl_device_unset_ready() - Notify the pwrctl subsystem that the PCI
+ * pci_pwrctrl_device_unset_ready() - Notify the pwrctrl subsystem that the PCI
  * device is about to be powered-down.
  *
- * @pwrctl: PCI power control data.
+ * @pwrctrl: PCI power control data.
  */
-void pci_pwrctl_device_unset_ready(struct pci_pwrctl *pwrctl)
+void pci_pwrctrl_device_unset_ready(struct pci_pwrctrl *pwrctrl)
 {
 	/*
 	 * We don't have to delete the link here. Typically, this function
 	 * is only called when the power control device is being detached. If
 	 * it is being detached then the child PCI device must have already
 	 * been unbound too or the device core wouldn't let us unbind.
 	 */
-	bus_unregister_notifier(&pci_bus_type, &pwrctl->nb);
+	bus_unregister_notifier(&pci_bus_type, &pwrctrl->nb);
 }
-EXPORT_SYMBOL_GPL(pci_pwrctl_device_unset_ready);
+EXPORT_SYMBOL_GPL(pci_pwrctrl_device_unset_ready);
 
-static void devm_pci_pwrctl_device_unset_ready(void *data)
+static void devm_pci_pwrctrl_device_unset_ready(void *data)
 {
-	struct pci_pwrctl *pwrctl = data;
+	struct pci_pwrctrl *pwrctrl = data;
 
-	pci_pwrctl_device_unset_ready(pwrctl);
+	pci_pwrctrl_device_unset_ready(pwrctrl);
 }
 
 /**
- * devm_pci_pwrctl_device_set_ready - Managed variant of
- * pci_pwrctl_device_set_ready().
+ * devm_pci_pwrctrl_device_set_ready - Managed variant of
+ * pci_pwrctrl_device_set_ready().
  *
- * @dev: Device managing this pwrctl provider.
- * @pwrctl: PCI power control data.
+ * @dev: Device managing this pwrctrl provider.
+ * @pwrctrl: PCI power control data.
  *
  * Returns:
  * 0 on success, negative error number on error.
  */
-int devm_pci_pwrctl_device_set_ready(struct device *dev,
-				     struct pci_pwrctl *pwrctl)
+int devm_pci_pwrctrl_device_set_ready(struct device *dev,
+				      struct pci_pwrctrl *pwrctrl)
 {
 	int ret;
 
-	ret = pci_pwrctl_device_set_ready(pwrctl);
+	ret = pci_pwrctrl_device_set_ready(pwrctrl);
 	if (ret)
 		return ret;
 
 	return devm_add_action_or_reset(dev,
-					devm_pci_pwrctl_device_unset_ready,
-					pwrctl);
+					devm_pci_pwrctrl_device_unset_ready,
+					pwrctrl);
 }
-EXPORT_SYMBOL_GPL(devm_pci_pwrctl_device_set_ready);
+EXPORT_SYMBOL_GPL(devm_pci_pwrctrl_device_set_ready);
 
 MODULE_AUTHOR("Bartosz Golaszewski <[email protected]>");
 MODULE_DESCRIPTION("PCI Device Power Control core driver");

drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c

@@ -13,21 +13,21 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 
-struct pci_pwrctl_pwrseq_data {
-	struct pci_pwrctl ctx;
+struct pci_pwrctrl_pwrseq_data {
+	struct pci_pwrctrl ctx;
 	struct pwrseq_desc *pwrseq;
 };
 
-static void devm_pci_pwrctl_pwrseq_power_off(void *data)
+static void devm_pci_pwrctrl_pwrseq_power_off(void *data)
 {
 	struct pwrseq_desc *pwrseq = data;
 
 	pwrseq_power_off(pwrseq);
 }
 
-static int pci_pwrctl_pwrseq_probe(struct platform_device *pdev)
+static int pci_pwrctrl_pwrseq_probe(struct platform_device *pdev)
 {
-	struct pci_pwrctl_pwrseq_data *data;
+	struct pci_pwrctrl_pwrseq_data *data;
 	struct device *dev = &pdev->dev;
 	int ret;
 
@@ -45,22 +45,22 @@ static int pci_pwrctl_pwrseq_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, ret,
 				     "Failed to power-on the device\n");
 
-	ret = devm_add_action_or_reset(dev, devm_pci_pwrctl_pwrseq_power_off,
+	ret = devm_add_action_or_reset(dev, devm_pci_pwrctrl_pwrseq_power_off,
 				       data->pwrseq);
 	if (ret)
 		return ret;
 
-	pci_pwrctl_init(&data->ctx, dev);
+	pci_pwrctrl_init(&data->ctx, dev);
 
-	ret = devm_pci_pwrctl_device_set_ready(dev, &data->ctx);
+	ret = devm_pci_pwrctrl_device_set_ready(dev, &data->ctx);
 	if (ret)
 		return dev_err_probe(dev, ret,
-				     "Failed to register the pwrctl wrapper\n");
+				     "Failed to register the pwrctrl wrapper\n");
 
 	return 0;
 }
 
-static const struct of_device_id pci_pwrctl_pwrseq_of_match[] = {
+static const struct of_device_id pci_pwrctrl_pwrseq_of_match[] = {
 	{
 		/* ATH11K in QCA6390 package. */
 		.compatible = "pci17cb,1101",
@@ -78,16 +78,16 @@ static const struct of_device_id pci_pwrctl_pwrseq_of_match[] = {
 	},
 	{ }
 };
-MODULE_DEVICE_TABLE(of, pci_pwrctl_pwrseq_of_match);
+MODULE_DEVICE_TABLE(of, pci_pwrctrl_pwrseq_of_match);
 
-static struct platform_driver pci_pwrctl_pwrseq_driver = {
+static struct platform_driver pci_pwrctrl_pwrseq_driver = {
 	.driver = {
-		.name = "pci-pwrctl-pwrseq",
-		.of_match_table = pci_pwrctl_pwrseq_of_match,
+		.name = "pci-pwrctrl-pwrseq",
+		.of_match_table = pci_pwrctrl_pwrseq_of_match,
 	},
-	.probe = pci_pwrctl_pwrseq_probe,
+	.probe = pci_pwrctrl_pwrseq_probe,
 };
-module_platform_driver(pci_pwrctl_pwrseq_driver);
+module_platform_driver(pci_pwrctrl_pwrseq_driver);
 
 MODULE_AUTHOR("Bartosz Golaszewski <[email protected]>");
 MODULE_DESCRIPTION("Generic PCI Power Control module for power sequenced devices");

drivers/pci/remove.c

@@ -17,7 +17,7 @@ static void pci_free_resources(struct pci_dev *dev)
 	}
 }
 
-static void pci_pwrctl_unregister(struct device *dev)
+static void pci_pwrctrl_unregister(struct device *dev)
 {
 	struct platform_device *pdev;
 
@@ -34,7 +34,7 @@ static void pci_stop_dev(struct pci_dev *dev)
 	pci_pme_active(dev, false);
 
 	if (pci_dev_is_added(dev)) {
-		pci_pwrctl_unregister(&dev->dev);
+		pci_pwrctrl_unregister(&dev->dev);
 		device_release_driver(&dev->dev);
 		pci_proc_detach_device(dev);
 		pci_remove_sysfs_dev_files(dev);

include/linux/pci-pwrctrl.h

@@ -3,8 +3,8 @@
  * Copyright (C) 2024 Linaro Ltd.
  */
 
-#ifndef __PCI_PWRCTL_H__
-#define __PCI_PWRCTL_H__
+#ifndef __PCI_PWRCTRL_H__
+#define __PCI_PWRCTRL_H__
 
 #include <linux/notifier.h>
 #include <linux/workqueue.h>
@@ -29,14 +29,14 @@ struct device_link;
  */
 
 /**
- * struct pci_pwrctl - PCI device power control context.
+ * struct pci_pwrctrl - PCI device power control context.
  * @dev: Address of the power controlling device.
  *
  * An object of this type must be allocated by the PCI power control device and
- * passed to the pwrctl subsystem to trigger a bus rescan and setup a device
+ * passed to the pwrctrl subsystem to trigger a bus rescan and setup a device
  * link with the device once it's up.
  */
-struct pci_pwrctl {
+struct pci_pwrctrl {
 	struct device *dev;
 
 	/* Private: don't use. */
@@ -45,10 +45,10 @@ struct pci_pwrctl {
 	struct work_struct work;
 };
 
-void pci_pwrctl_init(struct pci_pwrctl *pwrctl, struct device *dev);
-int pci_pwrctl_device_set_ready(struct pci_pwrctl *pwrctl);
-void pci_pwrctl_device_unset_ready(struct pci_pwrctl *pwrctl);
-int devm_pci_pwrctl_device_set_ready(struct device *dev,
-				     struct pci_pwrctl *pwrctl);
+void pci_pwrctrl_init(struct pci_pwrctrl *pwrctrl, struct device *dev);
+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);
 
-#endif /* __PCI_PWRCTL_H__ */
+#endif /* __PCI_PWRCTRL_H__ */