From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Squash service driver registration into portdrv_pci.c. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> --- drivers/pci/pcie/Makefile | 2 - drivers/pci/pcie/portdrv_core.c | 116 --------------------------------------- drivers/pci/pcie/portdrv_pci.c | 96 ++++++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+), 117 deletions(-) delete mode 100644 drivers/pci/pcie/portdrv_core.c diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index 03f4e0b3a140..aad431790b1d 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -2,7 +2,7 @@ # # Makefile for PCI Express features and port driver -pcieportdrv-y := portdrv_core.o portdrv_pci.o err.o +pcieportdrv-y := portdrv_pci.o err.o obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c deleted file mode 100644 index 77b1c1ea8885..000000000000 --- a/drivers/pci/pcie/portdrv_core.c +++ /dev/null @@ -1,116 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Purpose: PCI Express Port Bus Driver's Core Functions - * - * Copyright (C) 2004 Intel - * Copyright (C) Tom Long Nguyen (tom.l.nguyen@xxxxxxxxx) - */ - -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/pm.h> -#include <linux/pm_runtime.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/aer.h> - -#include "../pci.h" -#include "portdrv.h" - -/** - * pcie_port_probe_service - probe driver for given PCI Express port service - * @dev: PCI Express port service device to probe against - * - * If PCI Express port service driver is registered with - * pcie_port_service_register(), this function will be called by the driver core - * whenever match is found between the driver and a port service device. - */ -static int pcie_port_probe_service(struct device *dev) -{ - struct pcie_device *pciedev; - struct pcie_port_service_driver *driver; - int status; - - if (!dev || !dev->driver) - return -ENODEV; - - driver = to_service_driver(dev->driver); - if (!driver || !driver->probe) - return -ENODEV; - - pciedev = to_pcie_device(dev); - status = driver->probe(pciedev); - if (status) - return status; - - get_device(dev); - return 0; -} - -/** - * pcie_port_remove_service - detach driver from given PCI Express port service - * @dev: PCI Express port service device to handle - * - * If PCI Express port service driver is registered with - * pcie_port_service_register(), this function will be called by the driver core - * when device_unregister() is called for the port service device associated - * with the driver. - */ -static int pcie_port_remove_service(struct device *dev) -{ - struct pcie_device *pciedev; - struct pcie_port_service_driver *driver; - - if (!dev || !dev->driver) - return 0; - - pciedev = to_pcie_device(dev); - driver = to_service_driver(dev->driver); - if (driver && driver->remove) { - driver->remove(pciedev); - put_device(dev); - } - return 0; -} - -/** - * pcie_port_shutdown_service - shut down given PCI Express port service - * @dev: PCI Express port service device to handle - * - * If PCI Express port service driver is registered with - * pcie_port_service_register(), this function will be called by the driver core - * when device_shutdown() is called for the port service device associated - * with the driver. - */ -static void pcie_port_shutdown_service(struct device *dev) {} - -/** - * pcie_port_service_register - register PCI Express port service driver - * @new: PCI Express port service driver to register - */ -int pcie_port_service_register(struct pcie_port_service_driver *new) -{ - if (pcie_ports_disabled) - return -ENODEV; - - new->driver.name = new->name; - new->driver.bus = &pcie_port_bus_type; - new->driver.probe = pcie_port_probe_service; - new->driver.remove = pcie_port_remove_service; - new->driver.shutdown = pcie_port_shutdown_service; - - return driver_register(&new->driver); -} -EXPORT_SYMBOL(pcie_port_service_register); - -/** - * pcie_port_service_unregister - unregister PCI Express port service driver - * @drv: PCI Express port service driver to unregister - */ -void pcie_port_service_unregister(struct pcie_port_service_driver *drv) -{ - driver_unregister(&drv->driver); -} -EXPORT_SYMBOL(pcie_port_service_unregister); diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index b019af97f14e..1375e91c268f 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -110,6 +110,102 @@ struct device *pcie_port_find_device(struct pci_dev *dev, u32 service) return device; } +/** + * pcie_port_probe_service - probe driver for given PCI Express port service + * @dev: PCI Express port service device to probe against + * + * If PCI Express port service driver is registered with + * pcie_port_service_register(), this function will be called by the driver core + * whenever match is found between the driver and a port service device. + */ +static int pcie_port_probe_service(struct device *dev) +{ + struct pcie_device *pciedev; + struct pcie_port_service_driver *driver; + int status; + + if (!dev || !dev->driver) + return -ENODEV; + + driver = to_service_driver(dev->driver); + if (!driver || !driver->probe) + return -ENODEV; + + pciedev = to_pcie_device(dev); + status = driver->probe(pciedev); + if (status) + return status; + + get_device(dev); + return 0; +} + +/** + * pcie_port_remove_service - detach driver from given PCI Express port service + * @dev: PCI Express port service device to handle + * + * If PCI Express port service driver is registered with + * pcie_port_service_register(), this function will be called by the driver core + * when device_unregister() is called for the port service device associated + * with the driver. + */ +static int pcie_port_remove_service(struct device *dev) +{ + struct pcie_device *pciedev; + struct pcie_port_service_driver *driver; + + if (!dev || !dev->driver) + return 0; + + pciedev = to_pcie_device(dev); + driver = to_service_driver(dev->driver); + if (driver && driver->remove) { + driver->remove(pciedev); + put_device(dev); + } + return 0; +} + +/** + * pcie_port_shutdown_service - shut down given PCI Express port service + * @dev: PCI Express port service device to handle + * + * If PCI Express port service driver is registered with + * pcie_port_service_register(), this function will be called by the driver core + * when device_shutdown() is called for the port service device associated + * with the driver. + */ +static void pcie_port_shutdown_service(struct device *dev) {} + +/** + * pcie_port_service_register - register PCI Express port service driver + * @new: PCI Express port service driver to register + */ +int pcie_port_service_register(struct pcie_port_service_driver *new) +{ + if (pcie_ports_disabled) + return -ENODEV; + + new->driver.name = new->name; + new->driver.bus = &pcie_port_bus_type; + new->driver.probe = pcie_port_probe_service; + new->driver.remove = pcie_port_remove_service; + new->driver.shutdown = pcie_port_shutdown_service; + + return driver_register(&new->driver); +} +EXPORT_SYMBOL(pcie_port_service_register); + +/** + * pcie_port_service_unregister - unregister PCI Express port service driver + * @drv: PCI Express port service driver to unregister + */ +void pcie_port_service_unregister(struct pcie_port_service_driver *drv) +{ + driver_unregister(&drv->driver); +} +EXPORT_SYMBOL(pcie_port_service_unregister); + static int pcie_portdrv_restore_config(struct pci_dev *dev) { int retval;