linux/drivers/eisa/pci_eisa.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Minimalist driver for a generic PCI-to-EISA bridge.
 *
 * (C) 2003 Marc Zyngier <[email protected]>
 *
 * Ivan Kokshaysky <[email protected]> :
 * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
 */

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/init.h>

/* There is only *one* pci_eisa device per machine, right ? */
static struct eisa_root_device pci_eisa_root;

static int __init pci_eisa_init(struct pci_dev *pdev)
{ … }

/*
 * We have to call pci_eisa_init_early() before pnpacpi_init()/isapnp_init().
 *   Otherwise pnp resource will get enabled early and could prevent eisa
 *   to be initialized.
 * Also need to make sure pci_eisa_init_early() is called after
 * x86/pci_subsys_init().
 * So need to use subsys_initcall_sync with it.
 */
static int __init pci_eisa_init_early(void)
{ … }
subsys_initcall_sync(pci_eisa_init_early);