PIIX_CHECK_450NX_ERR(9)                 ata_piix Internals                PIIX_CHECK_450NX_ERR(9)



NAME
       piix_check_450nx_errata - Check for problem 450NX setup

SYNOPSIS
       int piix_check_450nx_errata(struct pci_dev * ata_dev);

ARGUMENTS
       ata_dev
           the PCI device to check

DESCRIPTION
       Check for the present of 450NX errata #19 and errata #25. If they are found return an
       error code so we can turn off DMA

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   PIIX_CHECK_450NX_ERR(9)