linux-imx

/*

 * support for probing IDE PCI devices in the PCI bus order

 *

 * Copyright (c) 1998-2000  Andre Hedrick <andre@linux-ide.org>

 * Copyright (c) 1995-1998  Mark Lord

 *

 * May be copied or modified under the terms of the GNU General Public License

 */

​

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/ide.h>

​

/*

 *  Module interfaces

 */

​

static int pre_init = 1;        /* Before first ordered IDE scan */

static LIST_HEAD(ide_pci_drivers);

​

/*

 *  __ide_pci_register_driver   -   attach IDE driver

 *  @driver: pci driver

 *  @module: owner module of the driver

 *

 *  Registers a driver with the IDE layer. The IDE layer arranges that

 *  boot time setup is done in the expected device order and then

 *  hands the controllers off to the core PCI code to do the rest of

 *  the work.

 *

 *  Returns are the same as for pci_register_driver

 */

​

int __ide_pci_register_driver(struct pci_driver *driver, struct module *module,

                  const char *mod_name)

{

    if (!pre_init)

        return __pci_register_driver(driver, module, mod_name);

    driver->driver.owner = module;

    list_add_tail(&driver->node, &ide_pci_drivers);

    return 0;

}

EXPORT_SYMBOL_GPL(__ide_pci_register_driver);

​

/**

 *  ide_scan_pcidev     -   find an IDE driver for a device

 *  @dev: PCI device to check

 *

 *  Look for an IDE driver to handle the device we are considering.

 *  This is only used during boot up to get the ordering correct. After

 *  boot up the pci layer takes over the job.

 */

​

static int __init ide_scan_pcidev(struct pci_dev *dev)

{

    struct list_head *l;

    struct pci_driver *d;

    int ret;

​

    list_for_each(l, &ide_pci_drivers) {

        d = list_entry(l, struct pci_driver, node);

        if (d->id_table) {