Release 4.16 drivers/pci/pcie/portdrv_bus.c

// SPDX-License-Identifier: GPL-2.0
/*
 * 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>
#include "portdrv.h"

static int pcie_port_bus_match(struct device *dev, struct device_driver *drv);


struct bus_type pcie_port_bus_type = {
	.name		= "pci_express",
	.match		= pcie_port_bus_match,
};
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->service != pciedev->service)
		return 0;

	if ((driver->port_type != PCIE_ANY_PORT) &&
	    (driver->port_type != pci_pcie_type(pciedev->port)))
		return 0;

	return 1;
}

Contributors
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Tom L. Nguyen
78
77.23%
1
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Rafael J. Wysocki
8
7.92%
1
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Dely Sy
6
5.94%
1
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Kenji Kaneshige
6
5.94%
1
20.00%
Yijing Wang
3
2.97%
1
20.00%
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101
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5
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int pcie_port_bus_register(void)
{
	return bus_register(&pcie_port_bus_type);
}

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Rafael J. Wysocki
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void pcie_port_bus_unregister(void)
{
	bus_unregister(&pcie_port_bus_type);
}
Contributors
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Rafael J. Wysocki
13
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13
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1
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Overall Contributors
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Tokens
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CommitProp
Tom L. Nguyen
127
67.91%
1
10.00%
Rafael J. Wysocki
36
19.25%
3
30.00%
Kenji Kaneshige
6
3.21%
1
10.00%
Dely Sy
6
3.21%
1
10.00%
Yanmin Zhang
5
2.67%
1
10.00%
Alexander Chiang
3
1.60%
1
10.00%
Yijing Wang
3
1.60%
1
10.00%
Björn Helgaas
1
0.53%
1
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187
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10
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Directory: drivers/pci/pcie

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