?? portdrv_bus.c
字號:
/* * File: portdrv_bus.c * Purpose: PCI Express Port Bus Driver's Bus Overloading Functions * * Copyright (C) 2004 Intel * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) */#include <linux/module.h>#include <linux/pci.h>#include <linux/kernel.h>#include <linux/errno.h>#include <linux/pm.h>#include <linux/pcieport_if.h>static int pcie_port_bus_match(struct device *dev, struct device_driver *drv);static int pcie_port_bus_suspend(struct device *dev, pm_message_t state);static int pcie_port_bus_resume(struct device *dev);struct bus_type pcie_port_bus_type = { .name = "pci_express", .match = pcie_port_bus_match, .suspend = pcie_port_bus_suspend, .resume = pcie_port_bus_resume, };EXPORT_SYMBOL_GPL(pcie_port_bus_type);static int pcie_port_bus_match(struct device *dev, struct device_driver *drv){ struct pcie_device *pciedev; struct pcie_port_service_driver *driver; if (drv->bus != &pcie_port_bus_type || dev->bus != &pcie_port_bus_type) return 0; pciedev = to_pcie_device(dev); driver = to_service_driver(drv); if ( (driver->id_table->vendor != PCI_ANY_ID && driver->id_table->vendor != pciedev->id.vendor) || (driver->id_table->device != PCI_ANY_ID && driver->id_table->device != pciedev->id.device) || (driver->id_table->port_type != PCIE_ANY_PORT && driver->id_table->port_type != pciedev->id.port_type) || driver->id_table->service_type != pciedev->id.service_type ) return 0; return 1;}static int pcie_port_bus_suspend(struct device *dev, pm_message_t state){ 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->suspend) driver->suspend(pciedev, state); return 0;}static int pcie_port_bus_resume(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->resume) driver->resume(pciedev); return 0;}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -