linux/drivers/pci/msi/pcidev_msi.c

// SPDX-License-Identifier: GPL-2.0
/*
 * MSI[X} related functions which are available unconditionally.
 */
#include "../pci.h"

/*
 * Disable the MSI[X] hardware to avoid screaming interrupts during boot.
 * This is the power on reset default so usually this should be a noop.
 */

void pci_msi_init(struct pci_dev *dev)
{ … }

void pci_msix_init(struct pci_dev *dev)
{ … }